Toplite Foundation

Toplite is a versatile aircrete material which is able to provide solutions below ground in foundation walls, in suspended beam and block floors and all types of internal and external walling situations. Its use provides many benefits for specifiers and contractors, making it the natural choice where blockwork is specified.

Toplite Foundation blocks are producted specifically for use below DPC in solid walls.

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  • Solid walls below DPC


  1. Increased productivity

    One block for inner and outer leaf. No wall ties, faster construction times.

  2. Excellent thermal performance

    Helps improve the ground floor U-value. 

  3. Range of strengths

    Two options available for a wide range of specifications.

  4. Fast building blocks

    Toplite blocks are light and easy to handle, decreasing build times.  

  5. Easy to work

    Cutting, chasing and finishing are all straightforward and quick to achieve using standard tools.  

Application Details

Foundation blocks are produced specifically for use below DPC in solid walls, it replaces the inner and outer leaf, wall ties, and concrete cavity fill associated with traditional construction methods. This means that construction time may be halved compared to cavity walling and the wall becomes stable soon after laying, elliminating the risk of collapsed cavities.

Foundation can be used to support cavity or solid walls, or frame constructions. Owing to its excellent insulating properties, the product provides perimeter insulation to ground floors. U-values can be calculated upon request.

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