Future Code - The Path Forward
LISTEN...
New code requirements will increase insulation levels and airtightness:
| Building element | EFFECTIVE R-Value / ACH / Target |
| Attic | R60+ |
| Exterior Walls | R25+ |
| Below Grade Walls | R25+ |
| Below Grade Slab | R10 |
| WIndows | R6+ |
| Air Barrier / ACH | =/> 1.5 ACH @ 50 Pa, overpressure and underpressure |
(NOTE: R values are EFFECTIVE = combined thermal resistance of assembly elements)
