The number one recommended insulation today for new buildings and renovations is the polyurethane closed cell spray foam insulation for it ability to block air, moisture, Vapor, Water also its high R-Value per inch and the infinite life time of the martial
If the sound is an issue we recommend open cell spray foam insulation for its great ability to block sound.
The last material we use is the fiberglass batt insulation for its inability to block air which is responsible for %40 of heat lost and its short life span 10-15 years.
The best solution for existing homes is
1. converting the attic from vented attic to non-vented attic by applying closed cell spray foam insulation . this is calculated to save %35-40 off the heat lost.
2. spray crawlspace and/or basement rim joist or foundation walls. this can save %10-15 of heat lost
3. Open Cell spray foam injection. by drilling holes in the wall from the outside or inside and injecting foam inside the wall to fill any cavity and seal the walls. this can save %25 of heat lost.
222 Sandford St, New Brunswick , NJ 08901