What Makes a Building Product Green
Even though steel conducts heat more readily than wood, steel entry doors that include foam insulation and are installed in wooden frames with quality weatherstripping generally provide better energy performance than wood entry doors. In choosing an insulated entry door, consider the R-value of the insulation, weatherstripping, and glazing materials.
State-of-the-art testing chambers show that liquid-applied barriers outperform more typical weather barriers comprised of flashing, tape, and membranes.
When I was in Portland, Oregon for the 2014 ...