{"title":"Abrasives \u0026 Sanding Tools","description":"","products":[{"product_id":"p40-production-paper","title":"P40 Production Paper","description":"\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"a9d6478e-67c8-466c-a743-182b7f2f4bb9\" dir=\"auto\" data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"325\" data-end=\"569\"\u003eP40 grit sandpaper is the recommended grade for preparing cured GRP laminate prior to topcoating. Its coarse abrasive quickly removes sharp glass fibres, trims down resin ridges and creates the mechanical key needed for strong topcoat adhesion.\u003c\/p\u003e\n\u003cp data-start=\"571\" data-end=\"703\"\u003eCorrect sanding at this stage is essential to achieving a smooth, professional GRP roof finish and preventing future coating issues.\u003c\/p\u003e\n\u003cp data-start=\"705\" data-end=\"750\"\u003e\u003cstrong data-start=\"705\" data-end=\"750\"\u003eWhy P40 grit is ideal for GRP preparation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"752\" data-end=\"1032\"\u003e• Quickly removes sharp glass fibre spikes after lamination\u003cbr data-start=\"811\" data-end=\"814\"\u003e• Flattens overlaps, resin build-up and high spots\u003cbr data-start=\"864\" data-end=\"867\"\u003e• Creates a strong mechanical key for topcoat adhesion\u003cbr data-start=\"921\" data-end=\"924\"\u003e• Helps prevent pinholes and capillary water ingress\u003cbr data-start=\"976\" data-end=\"979\"\u003e• Speeds up preparation of large and detailed areas\u003c\/p\u003e\n\u003cp data-start=\"1034\" data-end=\"1064\"\u003e\u003cstrong data-start=\"1034\" data-end=\"1064\"\u003eImportant sanding guidance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1066\" data-end=\"1274\"\u003eAlways ensure the laminate is \u003cstrong data-start=\"1096\" data-end=\"1111\"\u003efully cured\u003c\/strong\u003e before sanding.\u003cbr data-start=\"1127\" data-end=\"1130\"\u003eIf the laminate is still “green” in the curing cycle, the resin will soften and clog the sandpaper, making sanding difficult and less effective.\u003c\/p\u003e\n\u003cp data-start=\"1276\" data-end=\"1293\"\u003eOnce fully cured:\u003c\/p\u003e\n\u003col data-start=\"1295\" data-end=\"1424\"\u003e\n\u003cli data-start=\"1295\" data-end=\"1347\"\u003e\n\u003cp data-start=\"1298\" data-end=\"1347\"\u003eSand the entire laminate surface using P40 grit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1348\" data-end=\"1375\"\u003e\n\u003cp data-start=\"1351\" data-end=\"1375\"\u003eRemove dust thoroughly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1376\" data-end=\"1403\"\u003e\n\u003cp data-start=\"1379\" data-end=\"1403\"\u003eWipe down with acetone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1404\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1407\" data-end=\"1424\"\u003eApply GRP topcoat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"1426\" data-end=\"1533\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eUsing the correct grit at the correct stage is key to achieving a durable, long-lasting GRP roofing system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Fibreglass Roofing Kits","offers":[{"title":"Default Title","offer_id":39441659560099,"sku":"8600","price":0.77,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/6160\/8867\/files\/IMGL0845_cda2e811-a978-4065-a804-255a93fa5b69.jpg?v=1772297376"},{"product_id":"40gm-yellow-oxide-p40-5m-x-115mm","title":"40gm Yellow Oxide P40 5M x 115mm","description":"\u003cp data-start=\"328\" data-end=\"536\"\u003eThis P40 yellow oxide sanding roll provides the same coarse abrasive performance recommended for sanding cured GRP laminate — but in a convenient tear-to-length roll format designed for efficient on-site use.\u003c\/p\u003e\n\u003cp data-start=\"538\" data-end=\"777\"\u003ePerfect for roofers and installers who need fast access to sanding material without carrying stacks of pre-cut sheets. Simply tear the required length and load into your hand or pole sander, reducing waste and speeding up preparation work.\u003c\/p\u003e\n\u003cp data-start=\"779\" data-end=\"829\"\u003e\u003cstrong data-start=\"779\" data-end=\"829\"\u003eWhy P40 grit is ideal for GRP roof preparation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"831\" data-end=\"1053\"\u003e• Removes sharp glass fibre spikes after lamination\u003cbr data-start=\"882\" data-end=\"885\"\u003e• Flattens overlaps, resin build-up and high spots\u003cbr data-start=\"935\" data-end=\"938\"\u003e• Creates the mechanical key required for topcoat adhesion\u003cbr data-start=\"996\" data-end=\"999\"\u003e• Helps prevent pinholes and capillary water ingress\u003c\/p\u003e\n\u003cp data-start=\"1055\" data-end=\"1097\"\u003e\u003cstrong data-start=\"1055\" data-end=\"1097\"\u003eWhy a sanding roll is ideal on the job\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1099\" data-end=\"1362\"\u003e• Tear exactly the length you need — less waste\u003cbr data-start=\"1146\" data-end=\"1149\"\u003e• Quick reloads when sanding large roof areas\u003cbr data-start=\"1194\" data-end=\"1197\"\u003e• Easy to store and transport in tool kits and vans\u003cbr data-start=\"1248\" data-end=\"1251\"\u003e• Works perfectly with hand sanders and pole sanders\u003cbr data-start=\"1303\" data-end=\"1306\"\u003e• Ideal for both large surfaces and detailed trim work\u003c\/p\u003e\n\u003cp data-start=\"1364\" data-end=\"1394\"\u003e\u003cstrong data-start=\"1364\" data-end=\"1394\"\u003eImportant sanding guidance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1396\" data-end=\"1546\"\u003eAlways ensure the laminate is fully cured before sanding. Sanding laminate that is still “green” will clog abrasives and slow the preparation process.\u003c\/p\u003e\n\u003cp data-start=\"1548\" data-end=\"1559\"\u003eOnce cured:\u003c\/p\u003e\n\u003col data-start=\"1561\" data-end=\"1675\"\u003e\n\u003cli data-start=\"1561\" data-end=\"1598\"\u003e\n\u003cp data-start=\"1564\" data-end=\"1598\"\u003eSand the laminate using P40 grit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1599\" data-end=\"1626\"\u003e\n\u003cp data-start=\"1602\" data-end=\"1626\"\u003eRemove dust thoroughly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1627\" data-end=\"1654\"\u003e\n\u003cp data-start=\"1630\" data-end=\"1654\"\u003eWipe down with acetone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1655\" data-end=\"1675\"\u003e\n\u003cp data-start=\"1658\" data-end=\"1675\"\u003eApply GRP topcoat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"1677\" data-end=\"1783\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eEfficient sanding preparation is key to achieving a smooth, professional and long-lasting GRP roof finish.\u003c\/p\u003e","brand":"Fibreglass Roofing Kits","offers":[{"title":"Default Title","offer_id":39441662804131,"sku":"8601","price":5.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/6160\/8867\/products\/IMGL0824-8601.jpg?v=1647439206"},{"product_id":"rhynalox-p40-production-paper-pk-50","title":"Rhynalox P40 Production Paper [Pk 50]","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:52ec0d0e-b276-46de-983d-fb2b0816962a-64\" data-testid=\"conversation-turn-12\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"a9d6478e-67c8-466c-a743-182b7f2f4bb9\" dir=\"auto\" data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"325\" data-end=\"569\"\u003eP40 grit sandpaper is the recommended grade for preparing cured GRP laminate prior to topcoating. Its coarse abrasive quickly removes sharp glass fibres, trims down resin ridges and creates the mechanical key needed for strong topcoat adhesion.\u003c\/p\u003e\n\u003cp data-start=\"571\" data-end=\"703\"\u003eCorrect sanding at this stage is essential to achieving a smooth, professional GRP roof finish and preventing future coating issues.\u003c\/p\u003e\n\u003cp data-start=\"705\" data-end=\"750\"\u003e\u003cstrong data-start=\"705\" data-end=\"750\"\u003eWhy P40 grit is ideal for GRP preparation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"752\" data-end=\"1032\"\u003e• Quickly removes sharp glass fibre spikes after lamination\u003cbr data-start=\"811\" data-end=\"814\"\u003e• Flattens overlaps, resin build-up and high spots\u003cbr data-start=\"864\" data-end=\"867\"\u003e• Creates a strong mechanical key for topcoat adhesion\u003cbr data-start=\"921\" data-end=\"924\"\u003e• Helps prevent pinholes and capillary water ingress\u003cbr data-start=\"976\" data-end=\"979\"\u003e• Speeds up preparation of large and detailed areas\u003c\/p\u003e\n\u003cp data-start=\"1034\" data-end=\"1064\"\u003e\u003cstrong data-start=\"1034\" data-end=\"1064\"\u003eImportant sanding guidance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1066\" data-end=\"1274\"\u003eAlways ensure the laminate is \u003cstrong data-start=\"1096\" data-end=\"1111\"\u003efully cured\u003c\/strong\u003e before sanding.\u003cbr data-start=\"1127\" data-end=\"1130\"\u003eIf the laminate is still “green” in the curing cycle, the resin will soften and clog the sandpaper, making sanding difficult and less effective.\u003c\/p\u003e\n\u003cp data-start=\"1276\" data-end=\"1293\"\u003eOnce fully cured:\u003c\/p\u003e\n\u003col data-start=\"1295\" data-end=\"1424\"\u003e\n\u003cli data-start=\"1295\" data-end=\"1347\"\u003e\n\u003cp data-start=\"1298\" data-end=\"1347\"\u003eSand the entire laminate surface using P40 grit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1348\" data-end=\"1375\"\u003e\n\u003cp data-start=\"1351\" data-end=\"1375\"\u003eRemove dust thoroughly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1376\" data-end=\"1403\"\u003e\n\u003cp data-start=\"1379\" data-end=\"1403\"\u003eWipe down with acetone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1404\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1407\" data-end=\"1424\"\u003eApply GRP topcoat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"1426\" data-end=\"1533\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eUsing the correct grit at the correct stage is key to achieving a durable, long-lasting GRP roofing system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003eValue pack, huge saving compared to individual sheets.\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Fibreglass Roofing Kits","offers":[{"title":"Default Title","offer_id":39441664704675,"sku":"8613","price":37.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/6160\/8867\/files\/IMGL0845.jpg?v=1772297353"},{"product_id":"aluminium-pole-sander-head","title":"Aluminium Pole Sander Head","description":"\u003cp data-start=\"456\" data-end=\"717\"\u003eAfter GRP laminate has cured, the surface must be sanded and wiped with acetone before applying topcoat. This crucial preparation stage removes sharp glass fibres, flattens imperfections and creates the mechanical key required for a smooth, long-lasting finish.\u003c\/p\u003e\n\u003cp data-start=\"719\" data-end=\"945\"\u003eThis aluminium pole sander head is designed specifically for sanding GRP roofs quickly and safely, helping prevent fibre spikes and reducing the risk of water ingress caused by capillary action beneath poorly prepared topcoat.\u003c\/p\u003e\n\u003cp data-start=\"947\" data-end=\"985\"\u003e\u003cstrong data-start=\"947\" data-end=\"985\"\u003eWhy sanding cured GRP is essential\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1235\"\u003e• Removes sharp glass fibre spikes after lamination\u003cbr data-start=\"1038\" data-end=\"1041\"\u003e• Smooths uneven and rough laminate areas\u003cbr data-start=\"1082\" data-end=\"1085\"\u003e• Creates the correct key for topcoat adhesion\u003cbr data-start=\"1131\" data-end=\"1134\"\u003e• Helps prevent pinholes and capillary water ingress\u003cbr data-start=\"1186\" data-end=\"1189\"\u003e• Speeds up preparation of larger roof areas\u003c\/p\u003e\n\u003cp data-start=\"1237\" data-end=\"1257\"\u003e\u003cstrong data-start=\"1237\" data-end=\"1257\"\u003eProduct features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1259\" data-end=\"1539\"\u003e• Padded sanding base for improved contact on uneven surfaces\u003cbr data-start=\"1320\" data-end=\"1323\"\u003e• Swivel head ideal for sanding roofs, walls and upstands\u003cbr data-start=\"1380\" data-end=\"1383\"\u003e• Wing-nut clamp for quick sandpaper changes\u003cbr data-start=\"1427\" data-end=\"1430\"\u003e• Strong, lightweight aluminium construction\u003cbr data-start=\"1474\" data-end=\"1477\"\u003e• Screws directly onto extension poles for safe roof working\u003c\/p\u003e\n\u003cp data-start=\"1541\" data-end=\"1741\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eFor best results, sand the fully cured laminate, then wipe the surface with acetone before applying GRP topcoat. This preparation step is key to achieving a professional, long-lasting GRP roof finish.\u003c\/p\u003e","brand":"Fibreglass Roofing Kits","offers":[{"title":"Default Title","offer_id":39441673584803,"sku":"8631","price":6.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/6160\/8867\/products\/IMGL0240-8631.jpg?v=1617053578"},{"product_id":"hand-sander","title":"Hand Sander","description":"\u003cp data-start=\"383\" data-end=\"632\"\u003eAfter lamination has cured, detailed areas of a GRP roof must be sanded before applying topcoat. Trims, corners, internal angles and edge overlaps are common areas where sharp fibres, resin build-up or high spots can prevent proper topcoat adhesion.\u003c\/p\u003e\n\u003cp data-start=\"634\" data-end=\"783\"\u003eThis hand sander is designed for precision sanding of GRP roof details, helping create a smooth, keyed surface ready for acetone wipe and topcoating.\u003c\/p\u003e\n\u003cp data-start=\"785\" data-end=\"828\"\u003e\u003cstrong data-start=\"785\" data-end=\"828\"\u003eWhy detail sanding matters on GRP roofs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"830\" data-end=\"1098\"\u003e• Removes sharp glass fibre spikes around trims and corners\u003cbr data-start=\"889\" data-end=\"892\"\u003e• Flattens resin ridges along A \u0026amp; B trim overlaps\u003cbr data-start=\"941\" data-end=\"944\"\u003e• Smooths internal angles and upstands\u003cbr data-start=\"982\" data-end=\"985\"\u003e• Creates a proper mechanical key for topcoat adhesion\u003cbr data-start=\"1039\" data-end=\"1042\"\u003e• Reduces risk of pinholes and capillary water ingress\u003c\/p\u003e\n\u003cp data-start=\"1100\" data-end=\"1134\"\u003e\u003cstrong data-start=\"1100\" data-end=\"1134\"\u003eWhere this tool is most useful\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1136\" data-end=\"1339\"\u003e• Laminated drip trims (A200 style edges)\u003cbr data-start=\"1177\" data-end=\"1180\"\u003e• Raised edge trims and perimeter details\u003cbr data-start=\"1221\" data-end=\"1224\"\u003e• Internal corners and box gutter angles\u003cbr data-start=\"1264\" data-end=\"1267\"\u003e• Around outlets, pipes and roof penetrations\u003cbr data-start=\"1312\" data-end=\"1315\"\u003e• Small repair patches\u003c\/p\u003e\n\u003cp data-start=\"1341\" data-end=\"1361\"\u003e\u003cstrong data-start=\"1341\" data-end=\"1361\"\u003eProduct features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1363\" data-end=\"1598\"\u003e• Rigid backing plate for controlled sanding pressure\u003cbr data-start=\"1416\" data-end=\"1419\"\u003e• Comfortable grip handle for precise work\u003cbr data-start=\"1461\" data-end=\"1464\"\u003e• Quick clamp system for fast sandpaper changes\u003cbr data-start=\"1511\" data-end=\"1514\"\u003e• Ideal for use with standard sanding sheets\u003cbr data-start=\"1558\" data-end=\"1561\"\u003e• Lightweight and easy to manoeuvre\u003c\/p\u003e\n\u003cp data-start=\"1600\" data-end=\"1831\"\u003eFor best results, sand all detailed laminate areas once fully cured, then wipe down with acetone before applying GRP topcoat. Proper preparation of trims and corners is essential for achieving a professional, long-lasting finish.\u003c\/p\u003e","brand":"Fibreglass Roofing Kits","offers":[{"title":"Default Title","offer_id":39441676370083,"sku":"8635","price":3.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/6160\/8867\/products\/IMGL0248-8635.jpg?v=1617053623"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/6160\/8867\/collections\/IMGL0845.jpg?v=1647461374","url":"https:\/\/fibreglassroofkits.com\/collections\/abrasives-sanding-tools.oembed","provider":"Fibreglass Roof Kits","version":"1.0","type":"link"}