Know Your DIY Brick Walls
Posted by Peter Brady on Wed 19th July 2006 at 11:30 AM, Filed in Construction
Whether you’re building or reconfiguring, it’s always important to know the difference between cavity and solid brick walls:
Solid Brick Walls
Solid walls have layers of bricks laid in patterns known in the trade as bonds. Essentially all solid brick walls have headers or bricks positioned end on, which traverse through the wall providing intrinsic strength to the structure.
In terms of thickness a wall will be as thick as the length of a brick 8 1/2 inches (215 mm) and an additional margin of plaster internally and external rendering. If you need to specifics in terms of wall thickness you can of course measure accurately at a door or window.
Cavity Brick Walls
With cavity walls the long fascia of the bricks (stretchers) are visible if the house has cavity brickwork. Minimum wall thickness is 10 2/5 inches (255mm). Two separated single brick walls or leaves each 4 inches (102.5mm) thick, spanned by a 2 inch (50mm) gap or cavity. This can be wider if the internal wall of the cavity is constructed of thicker blockwork.
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