Roles

The insulation was installed in the existing 2.5 in. space between the inner and outer 4 in. concrete block walls. Holes were drilled in the exterior wall, and the foam mixture was injected.

The insulation has an installed R-value of 8.6, which

Part of the capacity audience that attended the San Diego Masonry Estimating Seminar held prior to the '76 Annual Convention.

Masonry Estimating Seminar
Leading off the various events at the '76 MCAA Convention was the Masonry Estimating Se