{"product_id":"1-0mm-epdm-rubber-roofing-membrane","title":"1.0mm EPDM Rubber Roofing Membrane – Cut to Size for Sheds","description":"\u003cdiv style=\"color: #1f2933; line-height: 1.7;\"\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 18px;\"\u003eThe light-duty EPDM rubber roofing membrane, cut to size and supplied as one continuous sheet. It is the sensible, economical covering for a garden shed, summerhouse, log cabin or store — a roof you fit once and forget about, in place of felt you would be replacing every few years. Eight widths from 1.40m to 5.00m, cut to any length by the metre, bonded cold with no torch and no flame.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 26px;\"\u003e\n\u003cspan style=\"border: 1px solid #DDE2E8; border-radius: 6px; padding: 8px 14px; font-size: 14px;\"\u003e\u003cstrong\u003e1.0mm\u003c\/strong\u003e · light duty\u003c\/span\u003e \u003cspan style=\"border: 1px solid #DDE2E8; border-radius: 6px; padding: 8px 14px; font-size: 14px;\"\u003e\u003cstrong\u003eOne piece\u003c\/strong\u003e · cut to size\u003c\/span\u003e \u003cspan style=\"border: 1px solid #DDE2E8; border-radius: 6px; padding: 8px 14px; font-size: 14px;\"\u003e\u003cstrong\u003eUp to 50 years\u003c\/strong\u003e life expectancy\u003c\/span\u003e \u003cspan style=\"border: 1px solid #DDE2E8; border-radius: 6px; padding: 8px 14px; font-size: 14px;\"\u003e\u003cstrong\u003eFree UK delivery\u003c\/strong\u003e · no cutting charge\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #E8590C; border-radius: 12px; background: #FFF4F0; padding: 20px 24px; margin: 0 0 26px;\"\u003e\n\u003cp style=\"margin: 0 0 8px; font-weight: bold; font-size: 16px;\"\u003eRead this before you order\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eThis membrane is the light-duty grade. \u003cstrong\u003eIt is not intended for buildings that have to comply with Building Regulations\u003c\/strong\u003e, and \u003cstrong\u003eit cannot be joined with seam tape\u003c\/strong\u003e — so the roof has to be covered by a single sheet. If your project is an extension, a garage, a habitable garden room, or anything wider than 5m, order the \u003ca href=\"\/products\/1-2mm-epdm-rubber-roofing-membrane\"\u003e1.2mm membrane\u003c\/a\u003e instead. We would rather tell you now than after it arrives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat this membrane is for\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/epdm-membrane-10mm-what-its-for.jpg?v=1786102257\" alt=\"Chart showing what 1.0mm EPDM membrane is right for - sheds, summerhouses, log cabins and outbuildings - and when to choose 1.2mm instead\" width=\"1264\" height=\"848\" loading=\"lazy\" style=\"width: 100%; height: auto; display: block; max-width: 900px; margin: 18px auto; border-radius: 8px;\"\u003e\n\u003cp\u003eOn a shed roof this is an excellent covering and the one we would fit ourselves. It is completely waterproof, unaffected by standing water, UV stable, and it will comfortably outlast the building underneath it. What it does not do is carry foot traffic or satisfy a building control officer — and there is no point paying for thickness you do not need on a shed, nor saving money on a roof that has to be signed off.\u003c\/p\u003e\n\u003ch2\u003eHow the pricing works\u003c\/h2\u003e\n\u003cp\u003ePick a width, then set the quantity to the number of metres of length you need. \u003cstrong\u003eEvery width works out at exactly the same rate per square metre\u003c\/strong\u003e, so there is no penalty for an awkward size. No cutting charge, no minimum order, and the price shown already includes VAT with delivery free.\u003c\/p\u003e\n\u003ch2\u003eWhat size should you order?\u003c\/h2\u003e\n\u003cp\u003eMeasure the roof deck, then add an allowance on every side so the rubber can dress down over the edges. \u003cstrong\u003eAllow at least 100mm per side on a simple shed roof\u003c\/strong\u003e, and 150mm if the roof has an upstand, a kerb, or you want the membrane to reach into a gutter. Take the next width up from the list and round the length up to whole metres — or type your exact width and we will take the next one up for you.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/epdm-membrane-measuring-guide.jpg?v=1786098045\" alt=\"Diagram showing how to measure a flat roof deck and add an edge allowance before ordering EPDM membrane cut to size\" width=\"1264\" height=\"848\" loading=\"lazy\" style=\"width: 100%; height: auto; display: block; max-width: 900px; margin: 18px auto; border-radius: 8px;\"\u003e\n\u003cp\u003eBetween two widths, always take the larger. Surplus trims off in seconds with a sharp knife; a sheet 50mm short cannot be rescued, and because this membrane cannot be taped there is no way to make up a shortfall.\u003c\/p\u003e\n\u003cp style=\"margin: 18px 0;\"\u003e\u003ca href=\"\/pages\/shed-roof-kit-calculator\" style=\"display: inline-block; background: #E8590C; color: #ffffff; padding: 13px 22px; border-radius: 8px; font-weight: bold; text-decoration: none;\"\u003eSize and price a shed roof\u003c\/a\u003e \u003cspan style=\"font-size: 14px; color: #6b7684; margin-left: 8px;\"\u003eOur shed calculator works out the membrane, adhesive and trims from your dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 0 0 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600; width: 38%;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eEPDM (ethylene propylene diene monomer) synthetic rubber, single ply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eThickness\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e1.0mm — light duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eColour\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eWidths available\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e8 widths: 1.40, 2.10, 2.50, 2.80, 3.00, 3.50, 4.20 and 5.00m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eMaximum single sheet\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e5.00m wide × 20m long, supplied in one piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eJoining\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eNot compatible with seam tape — the roof must be covered by a single sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eBuilding Regulations\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eNot intended for buildings requiring Building Regulations compliance — use 1.2mm or 1.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003ePrice basis\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003ePer square metre, identical rate across every width. Width billed at the stock width supplied. VAT included.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eLife expectancy\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eUp to 50 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eGuarantee\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e20-year product guarantee\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eTemperature range\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eRemains flexible from −40°C to +120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eStanding water\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eUnaffected by ponding water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eUV and ozone\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eStable — will not crack, peel, split or need re-coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eSuitable decks\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eOSB3, WBP plywood and other sound timber decking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #E6EAEF;\"\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eRecommended fall\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eFlat and low-pitch roofs; minimum fall of 1:80 recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; font-weight: 600;\"\u003eFixing method\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eFully bonded, cold applied — no heat or naked flame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eHow it compares\u003c\/h2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/epdm-membrane-thickness-chooser.jpg?v=1786098044\" alt=\"Comparison of 1.0mm, 1.2mm and 1.5mm EPDM membrane thicknesses and what each is suited to\" width=\"1264\" height=\"848\" loading=\"lazy\" style=\"width: 100%; height: auto; display: block; max-width: 900px; margin: 18px auto; border-radius: 8px;\"\u003e\n\u003cp\u003eStep up to \u003ca href=\"\/products\/1-2mm-epdm-rubber-roofing-membrane\"\u003e1.2mm\u003c\/a\u003e for extensions, garages, garden rooms and anything needing Building Regulations sign-off, or \u003ca href=\"\/products\/1-5mm-epdm-rubber-roofing-membrane\"\u003e1.5mm\u003c\/a\u003e for roofs that get walked on. The \u003ca href=\"\/pages\/epdm-thickness-guide\"\u003ethickness guide\u003c\/a\u003e sets all three out side by side.\u003c\/p\u003e\n\u003ch2\u003eWhat else you will need\u003c\/h2\u003e\n\u003cp\u003eThis membrane is bonded with a water-based deck adhesive and its edges are sealed with mastic — it does not use the contact adhesive system of the thicker grades.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/epdm-water-based-deck-adhesive-high-strength-bonding-glue-for-rubber-roofing-membranes\"\u003eWater-based deck adhesive\u003c\/a\u003e to bond the membrane to the deck\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/epdm-bond-amp-seal-wall-mastic-rubber-roof-uk\"\u003eBond \u0026amp; seal mastic\u003c\/a\u003e for the edges and any upstands\u003c\/li\u003e\n\u003cli\u003eEdge trims if you want a crisper finish — \u003ca href=\"\/products\/epdm-drip-gutter-edge-trim-2m-rubber-roof-uk\"\u003edrip trim\u003c\/a\u003e on the gutter edge, \u003ca href=\"\/products\/epdm-kerb-edge-trim-2m-rubber-roof-uk\"\u003ekerb trim\u003c\/a\u003e elsewhere, or browse \u003ca href=\"\/collections\/flashing-and-trims\"\u003eall trims\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAn \u003ca href=\"\/products\/epdm-diy-installation-kit-rubber-roof-uk\"\u003einstallation kit\u003c\/a\u003e if you do not own a roller set, scissors and brush\u003c\/li\u003e\n\u003cli\u003eAlready know it is a shed? The \u003ca href=\"\/products\/epdm-shed-rubber-roof-kit\"\u003ecomplete shed roof kit\u003c\/a\u003e bundles the membrane, adhesive, mastic and roller in one box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border: 2px solid #E8590C; border-radius: 12px; background: #FDF4EC; padding: 22px 24px; margin: 26px 0;\"\u003e\n\u003ch3 style=\"margin-top: 0;\"\u003eFree downloads — no email address needed\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eOur own installation manual and a one-page checklist for the roof.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/rubber-roof-uk-epdm-installation-manual.pdf?v=1786057613\" rel=\"noopener\" style=\"display: inline-block; background: #E8590C; color: #ffffff; padding: 12px 20px; border-radius: 8px; font-weight: bold; text-decoration: none; margin: 0 10px 10px 0;\" target=\"_blank\"\u003eInstallation Manual (PDF)\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/rubber-roof-uk-install-day-checklist.pdf?v=1786057613\" rel=\"noopener\" style=\"display: inline-block; background: #1F2933; color: #ffffff; padding: 12px 20px; border-radius: 8px; font-weight: bold; text-decoration: none; margin: 0 0 10px 0;\" target=\"_blank\"\u003eInstall-Day Checklist (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eDelivery, dispatch and returns\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree delivery\u003c\/strong\u003e to UK mainland addresses on every order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day dispatch\u003c\/strong\u003e on orders placed before 2pm on a working day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1–3 working days\u003c\/strong\u003e on a tracked courier once dispatched.\u003c\/li\u003e\n\u003cli\u003eMembrane is \u003cstrong\u003ecut to order\u003c\/strong\u003e, so once cut it cannot be returned. Uncut stock items can be returned within 14 days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cstyle\u003e\n.rruk-faq details { border-bottom: 1px solid #E6EAEF; }\n.rruk-faq summary { cursor: pointer; padding: 14px 34px 14px 4px; font-weight: 600; font-size: 16px; line-height: 1.45; color: #1f2933; position: relative; list-style: none; }\n.rruk-faq summary::-webkit-details-marker { display: none; }\n.rruk-faq summary::after { content: \"+\"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-size: 22px; font-weight: 400; line-height: 1; color: #6b7684; }\n.rruk-faq details[open] summary::after { content: \"\\2212\"; color: #E8590C; }\n.rruk-faq summary:hover, .rruk-faq details[open] summary { color: #E8590C; }\n.rruk-faq details \u003e p { margin: 0 0 18px; padding: 0 4px; }\n\u003c\/style\u003e\n\u003cdiv class=\"rruk-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this on an extension or a garage?\u003c\/summary\u003e\n\u003cp\u003eNo — use the 1.2mm. This grade is not intended for buildings that must comply with Building Regulations, which covers extensions, most attached garages and habitable garden rooms. On a shed or store it is exactly right.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy is it not suitable for Building Regulations work?\u003c\/summary\u003e\n\u003cp\u003eIt is a thinner formulation intended for light-duty garden buildings. For anything that needs building control sign-off, specify the 1.2mm or 1.5mm, which are the grades used on domestic and commercial flat roofs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan two pieces be joined with seam tape?\u003c\/summary\u003e\n\u003cp\u003eNo. This membrane is not compatible with joining tapes, so your roof has to be covered by a single sheet. If the roof is bigger than the largest sheet, use the 1.2mm, which can be taped.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the biggest sheet you can supply?\u003c\/summary\u003e\n\u003cp\u003e5.00m wide by 20m long, in one piece. Wider than 5m and you need the 1.2mm membrane.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat size should I order?\u003c\/summary\u003e\n\u003cp\u003eYour deck size plus at least 100mm on every side for a simple shed roof, or 150mm if there is an upstand, a kerb or a gutter to reach. Take the next width up and round the length to whole metres.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is it priced?\u003c\/summary\u003e\n\u003cp\u003eBy the square metre, at the same rate for every width. Pick a width, set the quantity to the metres of length you need, and the price shown is what you pay — VAT included, delivery free, no cutting charge.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill it have a join?\u003c\/summary\u003e\n\u003cp\u003eNo. Every order is supplied as one continuous sheet at the size you specify.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs it really waterproof at only 1.0mm?\u003c\/summary\u003e\n\u003cp\u003eCompletely. Thickness has nothing to do with waterproofing — it buys resistance to punctures and foot traffic. A properly bonded 1.0mm shed roof is as watertight as a 1.5mm commercial roof.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow long will it last on a shed?\u003c\/summary\u003e\n\u003cp\u003eA life expectancy of up to 50 years, with a 20-year product guarantee. Realistically it will outlast the shed. Felt on the same roof would need replacing every five to ten years.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat colour is it?\u003c\/summary\u003e\n\u003cp\u003eBlack. It weathers to a slightly matt finish and does not fade to another colour.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat do I bond it down with?\u003c\/summary\u003e\n\u003cp\u003eWater-based deck adhesive across the deck, and bond \u0026amp; seal mastic at the edges and upstands. This grade does not use the contact adhesive system of the thicker membranes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much adhesive will I need?\u003c\/summary\u003e\n\u003cp\u003eAs a rough guide a 5-litre tin of water-based deck adhesive covers around 20 m². Our shed calculator works out the exact quantity for your roof.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need a primer?\u003c\/summary\u003e\n\u003cp\u003eNo. The adhesive bonds directly to sound timber decking such as OSB or plywood.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need edge trims?\u003c\/summary\u003e\n\u003cp\u003eNot necessarily. Many shed roofs are finished by dressing the rubber over the edge and sealing it with mastic. Trims give a crisper finish and protect the edge, and are worth adding where the roof drains into a gutter.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I lay it over the old felt?\u003c\/summary\u003e\n\u003cp\u003eOnly if the felt is fully stuck down, flat, dry and free of mineral chippings. On a shed, stripping back to the boards takes an hour and lets you replace anything soft before you cover it for decades.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat deck can it be bonded to?\u003c\/summary\u003e\n\u003cp\u003eSound timber decking — OSB3, WBP plywood or planed board. Punch nail heads below the surface and fill gaps over 5mm first.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the deck need a fall?\u003c\/summary\u003e\n\u003cp\u003eA minimum of 1:80 towards the drainage edge is recommended, which is 25mm of drop for every 2m of run. EPDM tolerates standing water, but a roof that drains stays cleaner and lasts longer.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes it cope with ponding water?\u003c\/summary\u003e\n\u003cp\u003eYes. Standing water does not damage EPDM at any thickness.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I walk on it?\u003c\/summary\u003e\n\u003cp\u003eOnly when you have to, in soft-soled shoes. This grade is not intended for foot traffic — if people will be on the roof, use 1.5mm and fit walkway pads. Never walk on it wet or frosty.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the deck have to be dry, and what weather do I need?\u003c\/summary\u003e\n\u003cp\u003eYes, completely dry, on a dry day at 5°C or above with no rain forecast until the adhesive has cured. Water-based adhesive will not bond to damp timber.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich side goes up?\u003c\/summary\u003e\n\u003cp\u003eMembrane of this type is the same on both sides. Just keep the face that touches the deck clean and dust free.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much maintenance does it need?\u003c\/summary\u003e\n\u003cp\u003eTen minutes a year: clear leaves and debris off the roof and out of the gutter. There is nothing to re-coat, treat or paint.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I return it if I order the wrong size?\u003c\/summary\u003e\n\u003cp\u003eCut-to-size membrane cannot be returned once cut, which is why we would rather check your measurements first. Send us the dimensions and a photo before you order.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is it delivered?\u003c\/summary\u003e\n\u003cp\u003eRolled and wrapped on a tracked courier, free to UK mainland addresses. Order before 2pm on a working day for same-day dispatch, arriving in 1–3 working days.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003ch2\u003eGuides that go with this membrane\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/how-to-fit-epdm-roof-shed\"\u003eHow to fit an EPDM roof on a shed\u003c\/a\u003e — the full illustrated method\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/epdm-thickness-guide\"\u003eThickness guide\u003c\/a\u003e — 1.0mm, 1.2mm and 1.5mm compared\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/how-to-fit-epdm-roof-trims\"\u003eFitting edge trims\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/epdm-maintenance-care\"\u003eMaintenance and care\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/epdm-learning-centre\"\u003eThe full EPDM Learning Centre\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Can 1.0mm EPDM be used on an extension or garage?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, use the 1.2mm. This grade is not intended for buildings that must comply with Building Regulations, which covers extensions, most attached garages and habitable garden rooms. On a shed or store it is exactly right.\"}},{\"@type\":\"Question\",\"name\":\"Why is 1.0mm EPDM not suitable for Building Regulations work?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is a thinner formulation intended for light-duty garden buildings. For anything needing building control sign-off, specify 1.2mm or 1.5mm, the grades used on domestic and commercial flat roofs.\"}},{\"@type\":\"Question\",\"name\":\"Can two pieces of 1.0mm EPDM be joined with seam tape?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. This membrane is not compatible with joining tapes, so the roof must be covered by a single sheet. If the roof is larger than the biggest sheet, use the 1.2mm, which can be taped.\"}},{\"@type\":\"Question\",\"name\":\"What is the largest sheet of 1.0mm EPDM available?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"5.00m wide by 20m long, supplied in one piece. Wider than 5m needs the 1.2mm membrane.\"}},{\"@type\":\"Question\",\"name\":\"What size 1.0mm EPDM membrane should I order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Your deck size plus at least 100mm on every side for a simple shed roof, or 150mm if there is an upstand, kerb or gutter to reach. Take the next width up and round the length to whole metres.\"}},{\"@type\":\"Question\",\"name\":\"How is cut-to-size EPDM membrane priced?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"By the square metre at the same rate for every width. Pick a width, set the quantity to the metres of length needed, and the price shown is what you pay, VAT included with free delivery and no cutting charge.\"}},{\"@type\":\"Question\",\"name\":\"Will 1.0mm EPDM membrane have a join?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Every order is supplied as one continuous sheet at the size specified.\"}},{\"@type\":\"Question\",\"name\":\"Is 1.0mm EPDM really waterproof?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Completely. Thickness has nothing to do with waterproofing; it buys resistance to punctures and foot traffic. A properly bonded 1.0mm shed roof is as watertight as a 1.5mm commercial roof.\"}},{\"@type\":\"Question\",\"name\":\"How long does a 1.0mm EPDM shed roof last?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A life expectancy of up to 50 years with a 20-year product guarantee. It will realistically outlast the shed. Felt on the same roof needs replacing every five to ten years.\"}},{\"@type\":\"Question\",\"name\":\"What colour is 1.0mm EPDM membrane?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Black. It weathers to a slightly matt finish and does not fade to another colour.\"}},{\"@type\":\"Question\",\"name\":\"What adhesive is used with 1.0mm EPDM membrane?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Water-based deck adhesive across the deck, and bond and seal mastic at the edges and upstands. This grade does not use the contact adhesive system of the thicker membranes.\"}},{\"@type\":\"Question\",\"name\":\"How much adhesive will I need for a shed roof?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"As a rough guide a 5-litre tin of water-based deck adhesive covers around 20 square metres. The shed calculator works out the exact quantity.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a primer for 1.0mm EPDM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The adhesive bonds directly to sound timber decking such as OSB or plywood.\"}},{\"@type\":\"Question\",\"name\":\"Do I need edge trims on a shed roof?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not necessarily. Many shed roofs are finished by dressing the rubber over the edge and sealing with mastic. Trims give a crisper finish and are worth adding where the roof drains into a gutter.\"}},{\"@type\":\"Question\",\"name\":\"Can 1.0mm EPDM be laid over old felt?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Only if the felt is fully stuck down, flat, dry and free of mineral chippings. On a shed, stripping back to the boards takes about an hour and lets you replace soft timber first.\"}},{\"@type\":\"Question\",\"name\":\"What deck can 1.0mm EPDM be bonded to?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sound timber decking such as OSB3, WBP plywood or planed board. Punch nail heads below the surface and fill gaps over 5mm first.\"}},{\"@type\":\"Question\",\"name\":\"Does a shed roof need a fall?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A minimum of 1:80 towards the drainage edge is recommended, which is 25mm of drop per 2m of run. EPDM tolerates standing water but a roof that drains stays cleaner and lasts longer.\"}},{\"@type\":\"Question\",\"name\":\"Does 1.0mm EPDM cope with ponding water?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Standing water does not damage EPDM at any thickness.\"}},{\"@type\":\"Question\",\"name\":\"Can you walk on a 1.0mm EPDM roof?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Only when necessary, in soft-soled shoes. This grade is not intended for foot traffic; if people will be on the roof use 1.5mm and fit walkway pads. Never walk on it wet or frosty.\"}},{\"@type\":\"Question\",\"name\":\"Does the deck have to be dry to lay 1.0mm EPDM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, completely dry, on a dry day at 5 degrees Celsius or above with no rain forecast until the adhesive has cured. Water-based adhesive will not bond to damp timber.\"}},{\"@type\":\"Question\",\"name\":\"Which side of the membrane goes up?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Membrane of this type is the same on both sides. Keep the face that touches the deck clean and dust free.\"}},{\"@type\":\"Question\",\"name\":\"How much maintenance does an EPDM shed roof need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"About ten minutes a year: clear leaves and debris off the roof and out of the gutter. There is nothing to re-coat, treat or paint.\"}},{\"@type\":\"Question\",\"name\":\"Can I return cut-to-size EPDM membrane?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cut-to-size membrane cannot be returned once cut, so we would rather check your measurements first. Send dimensions and a photo before ordering.\"}},{\"@type\":\"Question\",\"name\":\"How is 1.0mm EPDM membrane delivered?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Rolled and wrapped on a tracked courier, free to UK mainland addresses. Order before 2pm on a working day for same-day dispatch, arriving in 1 to 3 working days.\"}}]}\n\u003c\/script\u003e \u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"HowTo\",\"name\":\"How to measure and order 1.0mm EPDM membrane for a shed roof\",\"description\":\"Working out the right width and length of light-duty 1.0mm EPDM rubber roofing membrane for a shed or outbuilding, including the edge allowance.\",\"totalTime\":\"PT15M\",\"tool\":[{\"@type\":\"HowToTool\",\"name\":\"Tape measure\"}],\"step\":[{\"@type\":\"HowToStep\",\"position\":1,\"name\":\"Check the building is suitable\",\"text\":\"This grade suits sheds, summerhouses, log cabins and stores. If the building must meet Building Regulations, or the roof is wider than 5m, use the 1.2mm membrane instead.\"},{\"@type\":\"HowToStep\",\"position\":2,\"name\":\"Measure the roof deck\",\"text\":\"Measure the length and width of the deck at its widest points, measuring along the slope rather than the plan on a pitched roof.\"},{\"@type\":\"HowToStep\",\"position\":3,\"name\":\"Add the edge allowance\",\"text\":\"Add at least 100mm on every side for a simple shed roof, or 150mm where there is an upstand, kerb or gutter to reach.\"},{\"@type\":\"HowToStep\",\"position\":4,\"name\":\"Choose the width and length\",\"text\":\"Take the next width up from the eight stock widths and round the length up to whole metres. Between sizes always take the larger, because this membrane cannot be taped to make up a shortfall.\"}]}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Rubber Roof UK","offers":[{"title":"1.40","offer_id":45207304437951,"sku":"RRUK-MEM10-W140","price":29.57,"currency_code":"GBP","in_stock":true},{"title":"2.10","offer_id":45207304470719,"sku":"RRUK-MEM10-W210","price":44.35,"currency_code":"GBP","in_stock":true},{"title":"2.50","offer_id":45207304503487,"sku":"RRUK-MEM10-W250","price":52.8,"currency_code":"GBP","in_stock":true},{"title":"2.80","offer_id":45207304536255,"sku":"RRUK-MEM10-W280","price":59.14,"currency_code":"GBP","in_stock":true},{"title":"3.00","offer_id":45207304569023,"sku":"RRUK-MEM10-W300","price":63.36,"currency_code":"GBP","in_stock":true},{"title":"3.50","offer_id":45207304601791,"sku":"RRUK-MEM10-W350","price":73.92,"currency_code":"GBP","in_stock":true},{"title":"4.20","offer_id":45207304634559,"sku":"RRUK-MEM10-W420","price":88.7,"currency_code":"GBP","in_stock":true},{"title":"5.00","offer_id":45207304667327,"sku":"RRUK-MEM10-W500","price":105.6,"currency_code":"GBP","in_stock":true},{"title":"Other width — cut to size","offer_id":45964004720831,"sku":"RRUK-MEM10-M2","price":21.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/1804\/9727\/files\/roofer-rolling-1mm-epdm-rubber-membrane-flat-roof-pressure-roller.png?v=1779800033","url":"https:\/\/rubberroofuk.uk\/products\/1-0mm-epdm-rubber-roofing-membrane","provider":"Rubber Roof UK","version":"1.0","type":"link"}