Sound Transmission through Glass
You are designing a residential facility near an airport or a busy highway with large expanses of glass. How do you prevent the noise from nearby...
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Chemical Masonry Cleaning
How can you make sure you get that "like new" look for the completed masonry? Detergent washing is only removing the surface dirt - not the right...
Defining Masonry Restoration Scope
When is the scope of work on a restoration project prepared? On what does the contractor base his bid? Too often, the scope of work on a restoration...
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...
Choosing Mortar Types
The strength of mortar relative to the materials being installed is critical. Mortar must be strong enough and flexible enough to allow the structure...
Cement Plaster Water-Ressistive Barrier
Tech Tips received a CSI National Communications Award September 23, 2011 at the national convention.
Fireblocking and Draftstopping
Combustible construction can provide perfect paths through concealed spaces to allow fires to spread quickly and undetected. Fireblocking and...
Wood Preservative Treatment
Drawing Note Says: Treated wood sill plate. What type - Preservative? Fire Retardant? Both are wood treatments. Know the building code to understand...
Air Barriers
What functions must an air barrier perform? It may be more than the obvious. Learn about the types, functions, performance, difficulties, and details...
Exterior Sealant Joint Design - Tech Tips Published
When sealants fail, the integrity of the entire building is in jeopardy. Calculate the size ans spacing so joint sealants will accommodate the...