Exterior Walls and NFPA 285


NFPA 285 Test Configuration image courtesy Carlisle Coatings & Waterproofing

Water Vapor Transmission - Get the Units Right

Water vapor transmission is confusing - three different properties, each with their own units of measure. Can you rely on manufacturer's data reporting product performance? Be careful. Check the values and the units of measure. Be sure the units are..

Vapor Retarder Paints

Can interior latex paints perform as a vapor retarder?

Recent Posts


Professional Associations
Owner Focus
Contractor/Estimator Focus
Architect/Specifier Focus