A comprehensive list of Portland based roofing contractors and suppliers offering installation, repairs and maintenance services. Read unbiased customer reviews and recommendations of local companies. 
New air testing rules require the elimination of drafts completely. A cold non-vented roof space using breather membranes can be up to 25% more energy efficient than the traditional vented roof space. This means that a cold non-vented roof is now an important design element. Forthcoming regulations will also insist that the thermal bridge, which occurs over the wall plate at eaves level, is addressed
Andrew Philbey — Very friendly staff, great service and prices. Dave delivered and insisted on unloading all the products for me. Could not