It cuts air infiltration by up to 90 percent and reduces heat loss by as much as 33 percent. Optional Polar Cap roofs for cold climates increase R values to as much as 53. Your roof framing and insulation will stay drier, preventing mold and rot. Our venting also carries away added heat in summer, reducing airconditioning needs. R-values in Canada are calculated differently and vary slightly from U.S. values given here.
Specifications are subject to change.
We also block our joists rather than cross- bridging them, so they stay tightly in place and contribute to a more rigid, stable subfloor. Of course, with a Lindal home you enjoy the freedom to put any roof on any plan. Our interior swinging doors provide the strength and noise insulation of a solid core oak. But weather and heavy traffic take their toll on ordinary decks. We construct most of our undercarriages and railings of cedar as well.