Concrete block walls

Interior · Wet Basements and Crawlspaces · printed page 370 (PDF page 371)

Book index entries

Concrete – Block Foundation Walls Concrete Block Basement – Wet Crawlspace – Wet Wet Basement – and Crawlspaces Wet Crawlspaces and Basements

Text in the illustration

mortar joint failure
crack
parging
any water that gets past the dampproofing and parging will flow through the hollow cores and exit through the bottom row of blocks
dampproofing
basement floor
footings not shown

Generated explanation

The cutaway shows intersecting hollow concrete block foundation walls beside a basement floor. Exterior parging and dampproofing are peeled back to reveal the wall assembly. A stair-step crack follows the block joints, and a separate callout identifies mortar joint failure. A heavy arrow illustrates water traveling down the hollow block cores and exiting through the bottom row of blocks after bypassing the dampproofing and parging. Footings are explicitly noted as not shown.

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