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How wide is a brick veneer wall?

General: Provide minimum cavity widths in conformance with the following: – Masonry walls: 50 mm. – Masonry veneer walls: 40 mm between the masonry leaf and the loadbearing frame and 25 mm minimum between the masonry leaf and sheet bracing.

Why are control and expansion joints required in masonry walls?

Expansion joints must be located so that the structural integrity of the brickwork is not compromised. A control joint determines the location of cracks in concrete or concrete masonry construction due to volume changes resulting from shrinkage.

Are control joints needed with adhered concrete masonry veneer?

There are no code or industry requirements for control joints for adhered stone veneer. A recent study was commissioned that investigated the need for control joints when installing adhered concrete masonry veneer (ACMV). … Whether grouted or not, a stone wall contains a control joint between every stone.

How long can a brick wall be without an expansion joint?

In general, experience suggests that movement joints in clay brickwork should be spaced at approximately 10 – 12 metres. PD 6697 states that in no case should joints exceed 15 metres and the spacing of the first joint from an internal or external angle should not exceed half of the general spacing.

Do bricks expand with heat?

Bricks and blocks are inflexible build materials. The mortar used to hold them together will shrink when drying, it will also expand and recede thanks to changes in heat.