Walls and Roofs
Attached Garage Best Practices: High-Performance Doors & Thermal Design
...air designs for garages and attics, that allow either steeper strairs, or stairs that fold into walls when not in use.
In brief
An attached garage should be viewed as a buffer zone rather than an extension of the living space. To maximize performance, select a door with high R-value insulation, prioritize air sealing ...
