For the strength and stability of walling the size of openings in walls is limited by regulations for both solid and cavity walls. Jambs of openings The jambs of …
In exposed positions such as high ground, on the coast and where there is little shelter from trees, high ground or surrounding buildings it may well be advisable to …
Up to the early part of the twentieth century walls were generally built as solid brickwork of adequate thickness to resist the penetration of rain to the inside face …
Partial fill The purpose of the air space in a cavity wall is as a barrier to the penetration of rainwater to the inside face of the wall. …
In positions of severe exposure to wind driven rain, the outer leaf of a cavity wall may absorb water to the extent that rainwater penetrates to the cavity side …