Concrete & Masonry

Tests for permeability measure vapor diffusion through a material with 50 percent RH air on one side and either a desiccant (“dry cup test”) or liquid water (“wet cup test)” on the other.

Understanding how water vapor interacts with building materials is critical to avoiding moisture problems in building assemblies

Photo courtesy Jeffrey A. Davis, Davis Photograph

This inspiring modernization of an 80-year-old historical structure holds lessons any remodeler can put to work

A dustless solution that doesn’t sacrifice speed or accuracy

A dustless solution that doesn’t sacrifice speed or accuracy

old masonry building insulation-photo-old brick wall

Letting brick dry evenly is the key to avoiding water problems

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