RESOURCES & TOOLS

Detailing Series

Sill Detail – Single Wythe CMU

Split Base Course

This detail shows an 8” (nominal) split face concrete masonry (CMU) wall, window sill condition. Flashing is provided below the masonry sill, returning vertically at the end termination to form an end dam. Ladder-type horizontal joint reinforcement is placed at 16” o.c. vertically in the wall, or as required.

Assembly

Wall

Primary Material

  • CMU

Backing Material

  • CMU

Detail Location

  • Window sill / jamb

Assembly Type

  • Single Wythe/Structural

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