For instance, cathedral ceilings developed with 2x12 rafters have Room for traditional 10-inch batts (R-30) and ventilation. Unvented (sizzling roof layout) cathedral ceilings are a possibility. The recent roof style and design allows extra insulation to get put in while in the roof cavity as the necessity for any vent https://insulation-removal54208.theisblog.com/32406308/an-unbiased-view-of-home-insulation