Housing Easy Guide - British Precast

A damp-proof course (DPC) is located between the beams and supporting blocks to prevent rising damp (see Figure 1). Other damp proofing is likely to be limited to a membrane (see Figure 4). The beams are supported by the inner leaf, with a bearing of 75-100mm. The profile of the beams resembles an inverted T, which provides a recess of 100mm

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