{"product_id":"radon-sump-unit","title":"Radon Sump Unit","description":"\u003cp\u003eRhinoplast Radon Sump Unit is a sub-floor radon depressurisation sump manufactured from heavy duty polythene by a rotational moulding process. Installed beneath the ground floor slab to collect soil gases including radon and allow safe venting to atmosphere, either passively or via a mechanical fan. Constructed with a solid roof and base and 40mm diameter holes in the walls. 100mm pipe connection spigots provided at each end, blanked off with knock-outs to allow choice of extract pipe direction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy duty rotational moulded polythene construction\u003c\/li\u003e\n\u003cli\u003eSolid roof and base construction\u003c\/li\u003e\n\u003cli\u003e40mm diameter holes in walls\u003c\/li\u003e\n\u003cli\u003eCollects soil gases including radon for safe venting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for passive or mechanical fan extraction\u003c\/li\u003e\n\u003cli\u003eBefore the sump is placed in the permeable hardcore, the ground beneath the floor should be free of topsoil and vegetable matter.\u003c\/li\u003e\n\u003cli\u003eThe sump should be placed as close as possible to the centre of the floor plan of the building.\u003c\/li\u003e\n\u003cli\u003eOne sump is sufficient for approximately 200m2 and for a distance not more than 15m from a sump to the nearest external wall once clean permeable hardcore is used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Principal Building Products","offers":[{"title":"Default Title","offer_id":57491847643468,"sku":"BM06268","price":40.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1046\/6715\/2716\/files\/principal-building-products-radon-sump-unit-1237202653.png?v=1778248012","url":"https:\/\/www.constructionsuppliesuk.co.uk\/products\/radon-sump-unit","provider":"Construction Supplies UK","version":"1.0","type":"link"}