3 articlesin this category from the Pro Materials team — practical guides and product insights for Ontario's building trade.
Mitten prints a calculation chart that turns a home size and a skirting height into pieces, and it is accurate. It is also only half the order. The other half is ventilation, which the chart footnotes twice and never answers. This is the sizing math, the Ontario crawl space rule, and where the vents have to sit.
Read ArticleThe envelope shelf holds products rated from 0.05 to 59 perms, a spread of more than a thousand to one, and that single number decides whether a material belongs on the warm face of the wall or the cold one. This guide sorts every house wrap, flashing and foam board we stock by permeance, sets each against the Ontario Building Code clause it has to satisfy, and works the roll count out on a real Newmarket re-clad.
Read ArticleHomeowners see trim; the roof sees its air supply. This guide treats soffit and fascia as the intake half of a roof's ventilation, with real Net Free Air numbers by profile, the Ontario Building Code 1-in-300 math worked out, a vinyl vs aluminum breakdown, and the fascia-first install sequence that keeps water off the wall.
Read Article
