Posted on February 4, 2015 Leave a Comment
1. Low slope structural concrete roofs require a vapor barrier. Asphalt can act as an adhesive and vapor barrier. 2. Roofers should be certified, trained via roofing course (require certificate certification, and match up certificates to workers). 3. Single insulation layer failure due to insulation shrinking, screws creating thermal bridging, and screws resting just below […]