Attic Insulation
The Difference Between R40 and R50 Insulation
The Difference Between R40 and R50 Insulation If you are researching attic insulation upgrades, you may have come across the terms R40 and R50. But what do they actually mean, and does the difference matter? At InsulationBC.com, we install R50 blown-in fiberglass because it meets BC’s current energy performance Read more