Bespoke preformed DPC units

Preformed DPC units

Here at Delta Membranes we manufacture and supply bespoke preformed DPC units for detailing around structural steels, columns, beams etc. being introduced into an earth retaining environment (below ground).

See below our list of technical drawings.

Preformed Joist boot for beams

See below our preformed joist boot for placing on the end of any beam prior to insertion into an earth retaining section of structure. The application of this product will safeguard against any hydrostatic water pressure migrating along the beam entering into the habitable side of the structure. If you require a bespoke joist boot unit click the detail at the bottom of this page, print it off and fill out the dimensions and send through to

Here are a few photos showing these joist boots being used:

joist boots

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preformed DPC