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manual presents masonry details commonly used in construction and provides additional corollary information for each set of details where applicable. Each section covers a specific concrete masonry application, and includes details with side-by-side commentary.
• Specification of mortars for masonry construction (incl. strengths, mixes etc.) • Recommendations for site operatives • Guidance for ‘good practice’ on site. • Guidance on the specification of design requirements for required workmanship • Provides minimum wall thicknesses for low rise construction (2C5)
Mortar is a workable paste used to bind bricks and other masonry units together. A mortar joint acts as a sealant, a bearing pad, the glue that sticks the units together yet keeps them apart and, in this sense, performs as a gap-filling adhesive.
Placement: At first course above grade and at all supports. Code required spacing: 33” o.c. MIW recommended spacing (Brick): 24” o.c. MIW recommended spacing (CMU): 32” o.c. Size: The bigger the weep hole is, the more water it allows out of the cavity and the more air it allows to circulate through the cavity.
#1 – All-Weather Construction. #3 – Overview of Building Code Requirements for Masonry Structures. #7 – Water Penetration Resistance – Design and Detailing. #7A – Water Penetration Resistance – Materials. #7B – Water Penetration Resistance – Construction and Workmanship. #8 – Mortars for Brick Masonry.
mortar. Mortar — A mixture of cementitious material, water, and aggregate, with or without the addition of admix-tures or additives to alter one or more plastic or hard-ened properties, used to bond masonry construction materials together and fill spaces between. Pointing Mortar — Also known as grouting mortar,
An ideal mortar: Adheres completely and durably to the brick, block or other masonry unit to provide stability. Remains workable long enough to enable the operative to set the masonry unit right to line and level; this implies good water retentivity.
