osb-permeability / Green Building & Sustainable Home Renovation Information & Advice

OSB v Plywood - Which is Best? Odds are, that if you pass a housing development of wood-framed houses, it will have OSB (oriented strand board) as exterior sheathing. When you count sub-floors, roofs and wall sheathing, OSB claims about 70% of the wood sheathing market in North America over plywood. Both products have ...

There has been a steady evolution in the way we build homes over the last couple of decades, and the old standby wall recipe of 2x6s, fiberglass insulation and polyethylene doesn't measure up anymore with building codes, nor the trend towards high performance housing. One aspect of wall assemblies that is garnering som...

The cost of lumber is at an all time high, and because of that fact, other wall assemblies are showing themselves to be more affordable in comparison. So it’s a great time to highlight a few alternatives.  Standard residential home construction in most colder climates now involves 2x6s and fiberglass insulation batts. ...