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Evaluating the risks associated with insulating exterior masonry walls from the interior on a three-story school constructed in Toronto, Ontario in the late 1950s. Reprinted with permission from… Read More

Polyisocyanurate insulation is a common commercial and residential roof and wall insulation. It has one of the highest R-values per inch of thickness among common insulations. However, labeled R-… Read More

  2x6 framing XPS insulating sheathing Fiberglass or cellulose cavity insulation in stud space   Scoring: How It Rates The scoring of each wall system is based on the following five categories. A… Read More

High performance precast concrete enclosure walls stand apart from most "rainscreen" walls in several key respects: how they control rain penetration, how they provide airtightness, and their… Read More

  2x6 wood frame wall at 24" o.c. Fiberglass or cellulose cavity insulation XPS insulating sheathing Furring creating a minimum 3/8" ventilation gap/drainage gap behind cladding   Introduction This… Read More

This overview summarizes the truss wall construction including the advantages and disadvantages of this construction strategy. Complex two dimensional heat flow analysis and one dimensional… Read More

This overview summarizes spray foam wall construction including the advantages and disadvantages of this construction strategy. Complex two dimensional heat flow analysis and one dimensional… Read More

This overview summarizes the offset frame wall construction including the advantages and disadvantages of this construction strategy. Complex two dimensional heat flow analysis and one dimensional… Read More

This overview summarizes non-combustible steel framing using mineral fiber insulation board including the advantages and disadvantages of this construction strategy. Complex two dimensional heat flow… Read More