{"title":"Sump Covers \u0026 Sealing","description":"\u003cp\u003eAn open or poorly sealed sump pit is one of the most common radon entry points in a basement. A radon-tight sump cover integrates your sump pump pit into the sub-slab depressurization system, closing the loop and improving overall system performance.\u003c\/p\u003e\u003cp\u003eWe carry the Jackel SMR16101-CV heavy-duty HDPE sump dome and Uniseal U-Stop bushings for pipe penetrations. \u003ca href=\"\/pages\/how-radon-mitigation-works\"\u003eLearn how mitigation systems work\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"trimtight-cellular-pvc-cement","title":"TrimTight Cellular PVC Cement 16OZ","description":"\u003ch2\u003eTrimTight™ Cellular PVC Cement\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eLow-odor, non-flammable PVC cement for radon mitigation piping (PVC-to-PVC only).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eTrimTight™ Cellular PVC Cement is a professional-grade solvent cement designed for \u003cstrong\u003ePVC-to-PVC bonding\u003c\/strong\u003e, making it a strong fit for \u003cstrong\u003eradon mitigation vent piping\u003c\/strong\u003e, stack connections, and related PVC joints. It is \u003cstrong\u003elow-odor\u003c\/strong\u003e, \u003cstrong\u003elow VOC\u003c\/strong\u003e, and \u003cstrong\u003ewater-cleanable\u003c\/strong\u003e, with a \u003cstrong\u003eone-step, self-priming\u003c\/strong\u003e application that helps speed up installs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOdorless\u003c\/strong\u003e – preferred by chemically sensitive users (no strong fumes during glue-up).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-step, self-priming\u003c\/strong\u003e – saves time and labor versus multi-step processes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow VOC, high-strength chemistry\u003c\/strong\u003e – formulated for strong PVC joints.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCleans up with water\u003c\/strong\u003e – unlike many PVC cements that require solvents for cleanup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e Clear, medium body; cures white\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlashpoint:\u003c\/strong\u003e 204°F (non-flammable). Do not expose to open flame.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUsable temperature range:\u003c\/strong\u003e 45°F to 110°F (store below 110°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Up to 2 years unopened\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e For PVC-to-PVC bonding only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended Uses (Radon Mitigation)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePVC radon vent piping joints\u003c\/li\u003e\n  \u003cli\u003eVertical stack connections and couplers\u003c\/li\u003e\n  \u003cli\u003eSystem modifications, repairs, and retrofits (PVC only)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrimTight","offers":[{"title":"Default Title","offer_id":48030877581567,"sku":null,"price":48.22,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/4419488392.jpg?v=1768108193"},{"product_id":"jackel-sump-dome-radon-basin-cover","title":"Jackel Sump Dome","description":"\u003ch2\u003eRadon-Tight Sump Pit Cover for Sub-Slab Depressurization\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eJackel SMR16101-CV\u003c\/strong\u003e is a heavy-duty HDPE sump pit cover engineered specifically for radon mitigation systems. Its radon-tight structural foam construction creates an airtight seal over the sump pit, integrating the sump pump into your sub-slab depressurization system without losing suction.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRadon-tight seal — integrates sump pit into sub-slab depressurization system\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty HDPE structural foam construction — built to last\u003c\/li\u003e\n  \u003cli\u003eOne-piece removable cover — exceptionally strong and durable\u003c\/li\u003e\n  \u003cli\u003ePre-punched discharge and vent flanges for easy piping hookup\u003c\/li\u003e\n  \u003cli\u003eRemovable access cover for sump pump maintenance\u003c\/li\u003e\n  \u003cli\u003eCord grommet for pump power cord pass-through\u003c\/li\u003e\n  \u003cli\u003eReusable seal — can be removed and reinstalled for pump service\u003c\/li\u003e\n  \u003cli\u003eUniversal fit — designed to cover all installed basins up to 24\" ID\u003c\/li\u003e\n  \u003cli\u003eStainless steel bolts and washers included\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMR16101-CV\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBolt Circle Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 lbs (5.4 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCover Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHDPE structural foam\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRiser Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHDPE structural foam\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlange Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS or PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless steel bolts \u0026amp; washers (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSump dome cover with discharge and vent flanges\u003c\/li\u003e\n  \u003cli\u003eRemovable access cover\u003c\/li\u003e\n  \u003cli\u003eCord grommet\u003c\/li\u003e\n  \u003cli\u003eReusable seal\u003c\/li\u003e\n  \u003cli\u003eStainless steel bolts and washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eFor use in passive or active radon mitigation systems, or to retrofit an existing basement sump system. Riser attaches directly to the basement floor to create a radon-tight seal. No need to dig up the floor — simply remove the old cover and install the dome over the existing opening.\u003c\/p\u003e","brand":"Jackel","offers":[{"title":"Default Title","offer_id":48030877647103,"sku":"JACKEL-SMR16101-CV","price":299.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/rn-image_picker_lib_temp_6aa7e0a1-baf4-47cc-8974-5df5b0d82f45.jpg?v=1772984862"},{"product_id":"uniseal-u-stop-bushing-4-inch-pvc","title":"Uniseal U-Stop Bushing for 4\" PVC Pipe and 5\" Hole","description":"\u003ch2\u003eUniseal U-Stop Bushing – 4\" PVC Pipe (5\" Hole)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePipe-stop bushing designed for airtight, depth-controlled PVC penetrations.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Uniseal U-Stop Bushing is engineered to create a tight, reliable seal while \u003cstrong\u003epositively stopping 4\" Schedule 40 PVC pipe at the base of the bushing\u003c\/strong\u003e. This makes it ideal for \u003cstrong\u003esump covers, radon mitigation slab penetrations, and airtight system transitions\u003c\/strong\u003e where consistent pipe depth and sealing integrity matter.\u003c\/p\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eDesigned for use where a controlled pipe stop is required, such as radon sump lids and concrete slab penetrations. The U-Stop prevents over-insertion of the pipe while maintaining a secure seal.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003e4\" Schedule 40 PVC pipe only\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated stop sets pipe depth at the base of the bushing\u003c\/li\u003e\n\u003cli\u003eProvides an airtight, secure seal when properly installed\u003c\/li\u003e\n\u003cli\u003eIdeal for sump covers and slab penetrations in radon systems\u003c\/li\u003e\n\u003cli\u003eSimple press-fit installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Size:\u003c\/strong\u003e 4\" Schedule 40 PVC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Hole Size:\u003c\/strong\u003e 5\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Sealing bushing with built-in pipe stop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Flexible elastomer (typical Uniseal construction)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrill a clean, round 5\" hole\u003c\/li\u003e\n\u003cli\u003eInsert the U-Stop bushing flush into the opening\u003c\/li\u003e\n\u003cli\u003eInsert pipe and press until it contacts the internal stop\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uniseal Inc.","offers":[{"title":"Default Title","offer_id":48030877679871,"sku":"79219","price":27.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/radonaway_79219_154e7795-d675-4378-b9cc-a7553b63e25d.png?v=1768107927"},{"product_id":"stego-mastic-tube","title":"Stego® Mastic — 20 oz Sealant Tube","description":"\u003ch2\u003eStego® Mastic — 20 oz Sealant Tube for Penetrations \u0026amp; Repairs\u003c\/h2\u003e\n\u003cp\u003eStego® Mastic is a medium-viscosity, water-based, polymer-modified sealant designed for use with StegoCrawl Wrap vapor barriers. The 20 oz sausage tube format works with standard mastic applicator guns for precise, waste-free application. Ideal for sealing pipe penetrations, utility entries, repairs, and small installations.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 20 oz sausage tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposition:\u003c\/strong\u003e Water-based, polymer-modified anionic bituminous\/asphalt emulsion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Standard caulking\/mastic gun (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso Available:\u003c\/strong\u003e 2-gallon and 5-gallon pails for larger projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSealing utility and pipe penetrations through vapor barriers\u003c\/li\u003e\n\u003cli\u003eVapor barrier repairs and patching\u003c\/li\u003e\n\u003cli\u003eTerminating edges of vapor barrier material\u003c\/li\u003e\n\u003cli\u003eSmall encapsulation installations\u003c\/li\u003e\n\u003cli\u003eReplaces the need for boots at pipe penetrations when used with StegoCrawl Wrap\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHelps achieve \u003cstrong\u003eASTM E1643\u003c\/strong\u003e compliant installations\u003c\/li\u003e\n\u003cli\u003ePrecise application with sausage tube format — no waste\u003c\/li\u003e\n\u003cli\u003eQuickly seals around penetrations\u003c\/li\u003e\n\u003cli\u003eWater-based formula for easy cleanup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003ePart of the complete StegoCrawl encapsulation system available at RadonDepot.ca.\u003c\/em\u003e\u003c\/p\u003e","brand":"Stego Industries","offers":[{"title":"Default","offer_id":48322415493375,"sku":"ST010MT-20","price":35.45,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/stego-mastic-sausage-tube-on-box-with-applicator-2048x2048.webp?v=1774285683"},{"product_id":"the-lid™-backwater-basin-cover-radon-soil-gas-seal-by-radon-home-defence","title":"THE LID™ Backwater Basin Cover — Radon \u0026 Soil Gas Seal by Radon Home Defence","description":"\u003ch2\u003eTHE LID™ — Backwater Valve Basin Cover for Radon \u0026amp; Soil Gas Mitigation\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe only backwater basin cover engineered to seal out radon, soil gas, VOCs, and moisture — while keeping your cleanout accessible.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor years, the backwater valve basin has been one of the most overlooked entry points for radon and soil gases in Canadian homes. THE LID™ by Radon Home Defence changes that. Its \u003cstrong\u003eproprietary dual-seal technology\u003c\/strong\u003e creates an airtight barrier over your backwater valve basin, blocking radon gas, volatile organic compounds, moisture, and sewer gases from entering your living space.\u003c\/p\u003e\n\n\u003cp\u003eUnlike generic covers or DIY sealing attempts, THE LID is purpose-built for this application — \u003cstrong\u003eCAN\/CGSB 149.11 and 149.12 compliant\u003c\/strong\u003e, meaning it meets Canadian national standards for radon mitigation. A built-in \u003cstrong\u003eknockout port\u003c\/strong\u003e allows integration with an active radon mitigation system if sub-slab depressurization alone isn't enough.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Your Backwater Basin Matters\u003c\/h3\u003e\n\u003cp\u003eMost radon mitigation focuses on sump pits and floor cracks — but the backwater valve basin is an equally significant pathway for soil gas entry. If your home has a backwater valve (most newer Canadian homes do), an unsealed basin can undermine your entire mitigation system. THE LID seals this gap.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Seal Technology\u003c\/strong\u003e — proprietary gasket system creates an airtight, watertight seal over the basin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRadon suction point knockout\u003c\/strong\u003e — optional port for connecting to an active radon mitigation system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy maintenance access\u003c\/strong\u003e — lid design permits annual backwater valve cleanout without breaking the seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCAN\/CGSB 149.11 \u0026amp; 149.12 compliant\u003c\/strong\u003e — meets Canadian standards for radon mitigation installations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple installation\u003c\/strong\u003e — no specialized tools required\u003c\/li\u003e\n  \u003cli\u003eBlocks radon, soil gas, VOCs, sewer gas, and moisture\u003c\/li\u003e\n  \u003cli\u003eDesigned and manufactured in Ontario, Canada\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56.89 × 44.19 × 4.57 cm (22.4\" × 17.4\" × 1.8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.49 kg (5.5 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCAN\/CGSB 149.11 \u0026amp; 149.12\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRadon Home Defence (Ontario, Canada)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHomes with backwater valve basins (standard in most new Canadian construction)\u003c\/li\u003e\n  \u003cli\u003eProfessional radon mitigators looking to seal all soil gas entry points\u003c\/li\u003e\n  \u003cli\u003eHomeowners with elevated radon levels who have already sealed the sump pit\u003c\/li\u003e\n  \u003cli\u003eNew construction radon rough-ins requiring CGSB-compliant components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Radon Home Defence","offers":[{"title":"Default Title","offer_id":48400813392127,"sku":"RHD-LID-001","price":279.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/BlackLidwithRecycle_CGSB.webp?v=1776288944"},{"product_id":"jackel-sump-dome-4-inch-pipe-adapter-kit","title":"Jackel Sump Dome 4\" Pipe Adapter Kit – 3\" Threaded to 4\" Schedule 40 PVC","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eConnect standard 4\" Schedule 40 PVC radon pipe directly to your Jackel sump dome. The Jackel dome ships with a 3\" threaded port — this kit bridges the gap to your 4\" radon piping system with a heavy-duty threaded adapter and flexible reducing coupling.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eKit Includes:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e3\" MPT threaded adapter — threads directly into the Jackel sump dome port\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e3\" to 4\" flexible reducing coupling\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStainless steel hose clamps (2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-pre-wrap leading-[1.7]\"\u003eWhy Use a Flexible Coupling? Rigid PVC connections transfer stress directly to the sump lid, causing cracks over time. The flexible coupling absorbs vibration and system movement, protecting your sump dome and extending the life of your installation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-pre-wrap leading-[1.7]\"\u003eEasy Sump Pump Service Access Loosen the clamps and slide the flexible coupling down to quickly disconnect the radon pipe from the dome — no cutting, no glue joints to break. Service the sump pump and reconnect in minutes.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSpecifications:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eInlet: 3\" male pipe thread (MPT) — fits Jackel sump dome threaded port\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOutlet: Accepts 4\" Schedule 40 PVC (4.500\" OD)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eClamps: Stainless steel\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMaterial: PVC adapter, flexible PVC coupling\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RadonDepot","offers":[{"title":"Default Title","offer_id":48509663478015,"sku":"RD-SUMP-ADAPTER-34","price":38.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/JackelAdapter3.jpg?v=1778594199"},{"product_id":"slabcollar-4-inch-radon-pipe-seal","title":"SlabCollar 4\" EPDM Radon Pipe Penetration Seal — Fits 5\" Cored Holes","description":"\u003ch3\u003eThe drop-in seal for 4\" radon pipe through a 5\" cored hole\u003c\/h3\u003e\n\u003cp\u003eSlabCollar™ is a one-piece flanged EPDM bushing that seals the gap between a 4\" Schedule 40 radon vent pipe and a 5\" cored slab opening. It replaces messy caulk-and-backer-rod sealing and outperforms thermoplastic compression bushings — without the precision a perfect cored hole demands.\u003c\/p\u003e\n\u003cp\u003eDesigned for C-NRPP-certified mitigators. Installed by feel, in under a minute. No mixing, no curing, no callbacks.\u003c\/p\u003e\n\u003ch3\u003eWhy mitigators are switching to SlabCollar\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlanged seal, not just a bushing.\u003c\/strong\u003e The 6-1\/8\" top flange rests flat on the slab and covers chipped or oversized cored-hole edges that compression bushings can't hide. You get a primary seal in the hole and a secondary seal against the slab surface — both in one part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForgiving on real-world holes.\u003c\/strong\u003e Cored hole came out a little oval? Edge chipped? SlabCollar's EPDM body flexes to seal openings that rigid thermoplastic bushings can't. Less time chasing leaks with a smoke pencil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolds the pipe, not just seals it.\u003c\/strong\u003e Engineered to a specific durometer that balances flexibility (so the flanges seal imperfect holes) with the firmness needed to grip the pipe. In bench testing, a collar with a 4\" Sch 40 stub through it supported a 240 lb adult standing on the pipe with no deformation. Bracing is still required per CGSB 149.12 — but you get a fit that doesn't loosen the first time someone bumps the stub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable for service.\u003c\/strong\u003e When a sump or suction pit needs work, SlabCollar pulls out clean and goes back in. No grinding out hydraulic cement. No re-caulking the joint on the way out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo caulk required.\u003c\/strong\u003e EPDM compression seals against concrete and pipe on contact. Skip the urethane tube, skip the cure time, skip the cleanup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPDM, not generic thermoplastic.\u003c\/strong\u003e Engineered for −40°C to +120°C operating range and the 25+ year service life EPDM is known for in roofing and sub-slab applications. No cold-weather brittleness. No UV degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilt for C-NRPP installations\u003c\/h3\u003e\n\u003cp\u003eSlabCollar meets the airtight-seal expectations of CGSB 149.12-2017 for active soil depressurization systems. Pairs with any 4\" Schedule 40 PVC or ABS radon vent pipe, any radon fan, any sub-slab pit configuration.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eHow to install\u003c\/span\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eCore a nominal 5\" hole through the slab. Clean dust and debris.\u003c\/li\u003e\n\u003cli\u003ePress SlabCollar into the hole, flange seated flat against the slab surface.\u003c\/li\u003e\n\u003cli\u003eSlide 4\" Sch 40 pipe through the collar. Brace pipe per CGSB 149.12 (the collar is not a structural support).\u003c\/li\u003e\n\u003cli\u003eRun a smoke pencil under fan suction to verify the seal. Done.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBulk pricing for radon professionals\u003c\/h3\u003e\n\u003cp\u003eVerified C-NRPP and CARST mitigators get contractor pricing on case quantities. \u003ca href=\"\/account\/register\"\u003eCreate a pro account\u003c\/a\u003e to access wholesale rates.\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs SlabCollar a direct replacement for the U-Stop?\u003c\/strong\u003e\u003cbr\u003eYes — SlabCollar is the first product that is designed for the specific use. Other products that have been used for years were never designed for this application, and as a results do not hold an adequate airtight seal.\u003cbr\u003eUnlike others - SlabCollar adds a top flange that covers the slab edge, uses EPDM instead of generic thermoplastic, and 2 outer flanges giving it 3 different airtight connections so that it can seal airtight even if the concrete hole is uneven, and is also engineered to grip the pipe under load to make installations easier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to use caulk with SlabCollar?\u003c\/strong\u003e\u003cbr\u003eNo. The EPDM compression seal is designed to be airtight on its own. A thin urethane bead at the flange edge is optional belt-and-suspenders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if my hole isn't perfectly 5\"?\u003c\/strong\u003e\u003cbr\u003eThe EPDM body and flange combination tolerates moderate hole irregularity. Significantly oversized or damaged holes should be patched before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there a fire-rated version?\u003c\/strong\u003e\u003cbr\u003eA fire-rated EPDM variant for NBC Article 3.6.4.3 applications is in development. \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e for project-specific requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat about 3\" pipe?\u003c\/strong\u003e\u003cbr\u003eA 3\" SlabCollar is in production. \u003ca href=\"\/pages\/contact\"\u003eEmail us\u003c\/a\u003e to be notified at launch.\u003c\/p\u003e","brand":"RadonDepot","offers":[{"title":"Single Unit","offer_id":48532393328895,"sku":"SC-4-1","price":21.0,"currency_code":"CAD","in_stock":true},{"title":"Case of 10","offer_id":48532393361663,"sku":"SC-4-6","price":200.0,"currency_code":"CAD","in_stock":true},{"title":"Case of 100","offer_id":48549088788735,"sku":null,"price":1700.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/slabcollar-hero.png?v=1778901258"},{"product_id":"closed-cell-backer-rod-foam-caulk-saver-for-slab-penetration-sealing","title":"Radon Mitigation Backer Rod — Closed-Cell Foam (4 Sizes, 59 ft Rolls)","description":"\u003ch3\u003eThe backer mitigators use under RadonAway Pro Sealant\u003c\/h3\u003e\u003cp\u003eClosed-cell polyester foam backer rod for sealing the gaps that radon mitigation actually encounters: 4\" PVC pipe through an oversized cored hole, foundation hairline cracks, sump-pit perimeters, and sub-slab depressurization air-leak points. Compresses to fill the gap, doesn't absorb water, and gives the polyurethane sealant a controlled depth to bond against.\u003c\/p\u003e\u003ch3\u003eWhy closed-cell vs. open-cell\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosed-cell\u003c\/strong\u003e doesn't absorb water — critical for damp basements and sub-slab work where moisture is present\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosed-cell\u003c\/strong\u003e doesn't compress under sealant cure — so the sealant joint actually achieves the joint depth specified by ANSI\/AARST\u003c\/li\u003e\n\u003cli\u003eOpen-cell rod (often sold as cheaper substitute) swells in moisture and fails airtight seal over time — not what you want behind a mitigation system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications (all sizes)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 59 ft (18 m) per roll\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Closed-cell polyester foam, grey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof:\u003c\/strong\u003e Yes — non-absorbent, won't wick moisture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum gap fill:\u003c\/strong\u003e 1.5\" (depending on rod size and joint depth)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible:\u003c\/strong\u003e Bends and twists to follow irregular gap geometry\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eChoosing your size\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/8\":\u003c\/strong\u003e Tight hairline cracks, narrow expansion joints, slab-edge gaps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2\":\u003c\/strong\u003e Standard slab crack work, most pipe-to-concrete penetrations under SlabCollar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/8\":\u003c\/strong\u003e Medium gaps around oversized cored holes for 4\" Sch 40 PVC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4\":\u003c\/strong\u003e Large gaps, sump-pit perimeters, foundation-to-floor expansion joints\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003ePre-clean the gap of dust and debris\u003c\/li\u003e\n\u003cli\u003ePress backer rod into the gap to the recommended depth (typically half the gap width below the surface)\u003c\/li\u003e\n\u003cli\u003eApply \u003ca href=\"\/products\/radonaway-pro-hybrid-sealant-polyurethane-limestone\"\u003eRadonAway Pro Sealant\u003c\/a\u003e over the backer rod, tooling to a smooth surface\u003c\/li\u003e\n\u003cli\u003eAllow polyurethane sealant cure time per manufacturer instructions before activating fan\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eFor penetration sealing where a flanged EPDM gasket is appropriate, see \u003ca href=\"\/products\/slabcollar-4-inch-radon-pipe-seal\"\u003eSlabCollar 4\" EPDM Seal\u003c\/a\u003e instead of backer rod + sealant.\u003c\/p\u003e","brand":"RadonDepot","offers":[{"title":"3\/8 inch","offer_id":48607272829183,"sku":"RD-BACKER-38","price":37.79,"currency_code":"CAD","in_stock":true},{"title":"1\/2 inch","offer_id":48607272861951,"sku":"RD-BACKER-12","price":36.39,"currency_code":"CAD","in_stock":true},{"title":"5\/8 inch","offer_id":48607272894719,"sku":"RD-BACKER-58","price":51.79,"currency_code":"CAD","in_stock":true},{"title":"3\/4 inch","offer_id":48607272927487,"sku":"RD-BACKER-34","price":55.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6639\/0015\/files\/81dkDy9bE9L._SL1500.jpg?v=1780175478"}],"url":"https:\/\/radondepot.ca\/collections\/sump-covers-sealing.oembed","provider":"Radon Depot","version":"1.0","type":"link"}