Vapour barrier / Guides

Passive House wall system ; Larsen Trusses & dense-packed cellulose insulation
Wall assemblies - new construction

Larsen truss wall systems with double-stud construction & extra insulation for new homes & energy efficient home renovation

...barrier and air barrier 11 7/8" TGIs (I-joists) as a double-stud wall attached to the exterior of the sheathing (R42) 1.5" ECO4 Wood fiber-board rigid exterior insulation (R4) Weather barrier (WRB) Strapping Exterior cladding * Both homes are built on a raft-slab ‘ slab on grade ICF Forming kit ’ with 12 ...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...barrier, which can seal entire homes. How Aerobarrier works: Using standard blower-door testing equipment, a house is pressurized to between 50 and 100 Pascals. Aerosol nozzles are placed through the home which then spray Aerobarrier water-based liquid acrylic sealant. The elastic particles in Aerobarrier are non-t...