Gypsum board / Guides

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...gypsum board (drywall). To explain this further, Gypsum board (drywall) is vapor permeable, but stops air flow. This means water vapor can diffuse through it,...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

...gypsum board (drywall) is a very effective air barrier, so long as the joints are sealed with drywall compound and tape; and all junctions at the floor, roof an...

Techniques for reducing sound transmission in buildings
Insulation and soundproofing

Controlling sound transmission in buildings

...gypsum board is attached directly to wood joists. The design parameters exceed those used to develop the regression equations used in this program. The errors...

Pre-fabricated straw bale SIPS panels, an environmental choice
Wall assemblies - new construction

Modern straw bale SIPS construction: high performance, durable, affordable & interesting

...gypsum board wall would. And now for the best part; the price. Chris Magwood was reluctant to say exactly how the price compares to conventionally built homes...

Off grid, passively heated and cooled house in the Gatineau Hills, Que
Off-grid and Net-Zero Housing

Off grid living blog, part 2: passively heated, this house in Quebec aims for LEED certification

...Gypsum board with zero VOC paint; 2x4 stud wall at 24 centres as wiring chase, with mineral wool batts R 14; polyethylene air/vapour barrier; 2x8 stud wal...

Exterior damp proofing and drainage mat to protect basements from wate
Insulation and soundproofing

Best practices for basement insulation in new home construction

...gypsum board: Latex paint ( or vapour retarder primer ) is recomended as an interior vapour control layer below grade. It is most important to not include a pol...

Installing recycled drywall in the Edelweiss House
Walls and ceilings - interior surfaces

Choosing the best drywall - video

...gypsum panels for an easier build and a lower carbon footprint. It's lightweight, made with synthetic gypsum and has recycled paper on both sides. In addition...

Timber frame construction
Wood and organic materials

Wood frame construction

...gypsum board (drywall) may also be used to protect wooden structures from heat, and wood frame elements can be designed so as to ensure a degree of fire resista...

wood ceiling in Reclaimed sunken lumber
Walls and ceilings - interior surfaces

Wood Ceilings or drywall - how to choose your ceiling material & what's the difference in cost?

...gypsum board (drywall), and more about giving you a little encouragement if you are hesitantly considering a wood ceiling. See, unlike my famous " Earthship's d...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...Gypsum Board Protected Wall Assemblies: https://www.cmhc-schl.gc.ca