Assemblies: Analysis & Recommendations

This section of the analysis and recommendations compares cost, energy, and environmental implications of the primary residential construction assemblies. The comparative analysis identifies first cost, operating costs, environmental implications, including resource consumption and health implications for builders and owners. The assemblies covered included foundations, wall, and roofing systems.

Foundation Slab Crawl Garden Full Basement	Concrete	Masonry	Wood
Floor	2 x 12 Joist	Truss Joist	I-Joist
Wall	2 x 4	2 x 6	SIP	SEP
Roof	Roof Truss	I-Joist	SIP	SEP
Window	Double Glazing Low-E (high solar gain) Wood/Vinyl	Double Glazing Low-E (low solar gain) Wood/Vinyl	Triple Glazing Low-E (mod. solar gain) Insulated Vinyl