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    Our branches are now closed for Christmas, however you can still shop online for deliveries from 2nd January 2025 onwards.

    Any orders placed on the website during closed hours will be processed on our return (read more..)

    Trench Blocks

    Trench blocks are for below ground use for wall foundation, they are cost effective, easy to handle and offer excellent thermal properties. Trench Blocks are available for delivery or can be collected in store in our PeterboroughHuntingdon and Corby branches. If you still need some assistance, please call into your local branch for advice.

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    Thermalite 300mm (440x215mm) Trenchblock T&G 3.6N

    Thermalite Trenchblock Tongue and Groove is an alternative to the construction of cavity walls with concrete infill, engineering bricks or heavy aggregate blocks for foundations
    Stock Availability: In stock
    £7.75 incl tax

    Thermalite 355mm (440x215mm) Trenchblock T&G 3.6N

    Thermalite Trench block Tongue and Groove is an alternative to the construction of cavity walls with concrete infill, engineering bricks or heavy aggregate blocks for foundations
    Stock Availability: In stock
    £9.10 incl tax