{"title":"Grid boards","description":"\u003cp\u003eBrowse \u003cstrong\u003egrid boards\u003c\/strong\u003e for use in underfloor heating systems and dry screed floor constructions. Grid boards provide a structured base for laying heating pipes at consistent spacings, ensuring even heat distribution while also contributing to the thermal insulation of the floor build-up.\u003c\/p\u003e","products":[{"product_id":"ronafix-underfloor-heating-screed-admixture-25ltr","title":"RonaFix Underfloor Heating Screed Admixture 25Ltr","description":"\u003cp\u003eRonafix Underfloor Heating Screed Admixture is a liquid polymer admixture which provides a high strength screed. The increased strength of the screed allows it to be laid in thin section, from 40mm, which in turn ensures improved thermal output from the underfloor heating system saving money on energy consumption.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cdiv class=\"sw-benefits-grid\"\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eExcellent workability and easy application\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eCreates a smooth, durable surface\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eSuitable for internal and external use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eCompatible with underfloor heating systems\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eProfessional-grade performance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eRapid drying for faster project completion\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RONACRETE","offers":[{"title":"Default Title","offer_id":51305571385683,"sku":"RONA-RONAFIX-STD","price":184.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/6720\/9043\/files\/Screenshot2025-12-12at13.39.33.png?v=1765543188"},{"product_id":"tekcem-ufh-doorway-movement-joint-80mm-10-pack","title":"Tekcem UFH Doorway Movement Joint 80mm – 10 Lengths (900mm each)","description":"\u003cp\u003eTekcem UFH Doorway Movement Joint is a pre-formed 80 mm wide PVC movement joint profile designed for use in liquid screed installations at doorway thresholds and where different screed bays meet. It accommodates thermal expansion and contraction from underfloor heating while providing a neat, finished transition. Supplied as 10 lengths of 900 mm each.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cdiv class=\"sw-benefits-grid\"\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003ePre-formed profile — clean, professional doorway finish\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003e80 mm width suits standard screed depths over UFH\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eAccommodates thermal movement from underfloor heating\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003ePrevents uncontrolled cracking at doorway thresholds\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003ePVC construction — durable and moisture-resistant\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eEasy to install — place before screeding\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003e10 × 900 mm lengths per pack — covers multiple doorways\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003ePosition the movement joint profile at the doorway threshold, centred under the door line, before pouring the liquid screed. Secure in place using adhesive or by pressing into the wet screed. Ensure the top of the joint sits flush with the finished screed level. The joint should extend the full width of the doorway opening. Trim to length with a fine-toothed saw if required.\u003c\/p\u003e\n\u003ch3\u003eCoverage\u003c\/h3\u003e\n\u003cp\u003eEach length is 900 mm. One pack of 10 lengths provides 9 linear metres, typically sufficient for 10–12 standard doorway openings.\u003c\/p\u003e","brand":"TEKCEM","offers":[{"title":"80mm","offer_id":53125232492883,"sku":"TEKCEM-10-80MM","price":60.79,"currency_code":"GBP","in_stock":true},{"title":"60mm","offer_id":53125232525651,"sku":"BM01887","price":58.0,"currency_code":"GBP","in_stock":true},{"title":"30mm","offer_id":53125232558419,"sku":"BM01888","price":55.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/6720\/9043\/files\/Screenshot2025-12-12at13.30.59.png?v=1765542689"},{"product_id":"tekwarm-ufh-gridboard-eps100-2400-x-1200mm","title":"Tekwarm UFH Gridboard EPS100 – 2400 x 1200mm","description":"\u003cp\u003eTekwarm UFH Gridboard EPS100 is a pre-routed expanded polystyrene insulation panel designed for underfloor heating pipe installation. The moulded grid pattern holds 16 mm UFH pipes securely at standard spacings without the need for clips or staples, combining thermal insulation and pipe retention in a single board. Standard size 2400 × 1200 mm.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cdiv class=\"sw-benefits-grid\"\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003ePre-routed grid holds UFH pipes securely — no clips or staples needed\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eEPS100 grade — 100 kPa compressive strength for domestic floor loads\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eCombines insulation and pipe retention in one product\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eSpeeds up UFH installation significantly\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eStandard pipe spacings moulded into the board\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eLightweight and easy to cut on site\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sw-benefit\"\u003e\n\u003cdiv class=\"sw-check\"\u003e​\u003c\/div\u003e\n\u003cspan\u003eCompatible with liquid and traditional screeds\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eLay boards over a DPM on a clean, level substrate. Butt joints tightly and stagger in a brick-bond pattern. Press UFH pipes into the pre-routed channels at the required spacing. Once all pipework is laid, install a polythene slip membrane if required and screed over the boards to the specified depth. Ensure a minimum screed cover of 25 mm above the pipe. Install perimeter edge insulation before screeding.\u003c\/p\u003e\n\u003ch3\u003eCoverage\u003c\/h3\u003e\n\u003cp\u003eStandard board size is 2400 mm × 1200 mm (2.88 m² per board). Thermal conductivity: 0.036 W\/mK. Select board thickness to achieve the required U-value as per Building Regulations Part L.\u003c\/p\u003e","brand":"TEKWARM","offers":[{"title":"Default Title","offer_id":51305580331347,"sku":"TEKWARM-2400-2400X1200","price":12.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/6720\/9043\/files\/Screenshot2025-12-12at13.30.07.png?v=1765542620"}],"url":"https:\/\/shop.screedworks.co.uk\/collections\/grid-boards.oembed","provider":"screedworks","version":"1.0","type":"link"}