{"product_id":"thermalite-hi-strength-trenchblock-t-g-grab-pack-7-3n","title":"Thermalite HI-STRENGTH Trenchblock T \u0026 G Grab Pack 7.3N","description":"\u003cp\u003eThis high-strength aircrete trench block is intended for use at foundation level, offering a practical choice for constructing below-ground blockwork. With tongue and groove edges, these blocks interlock to deliver stable walls for residential foundations, extensions, and similar groundworks.\u003c\/p\u003e\u003cp\u003eTrench blocks help streamline foundation construction by reducing the number of courses required, compared to traditional brick and block methods. Their size and strength make them suitable for sites where structural support and faster installation are priorities.\u003c\/p\u003e","brand":"Thermalite","offers":[{"title":"300mm","offer_id":53103869395280,"sku":"U0000259","price":12.3,"currency_code":"GBP","in_stock":true},{"title":"355mm","offer_id":53103869428048,"sku":"U0000260","price":15.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/5417\/9408\/files\/c50ace2fd4097ff8621b3616663d4929.jpg?v=1780527874","url":"https:\/\/totalsite.supply\/products\/thermalite-hi-strength-trenchblock-t-g-grab-pack-7-3n","provider":"Total Site Supply UK","version":"1.0","type":"link"}