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From everything I have seen it would be about 12 inches for conventional fiber glass insulation available from Home Depot or Lowes.
Polyiso insulation can give up to r-6 per inch. That equates to 7 inches for r-42.
What else can I help you with?
Is polyurethane rigid insulation popular?
no
What is the r value of rigid insulation per inch?
The R-value of rigid insulation per inch is typically around 4.0 to 6.0.
What is the R-value per inch of rigid insulation?
The R-value per inch of rigid insulation is typically around 4.0 to 6.5, depending on the specific type and brand of insulation.
How do you get a kenwood dp-r28 CD player manual?
I need a manual instruction of Kenwood multiplayer DP-R28
What is the best insulation for a basement?
The best insulation for a basement is typically rigid foam insulation, as it provides good thermal resistance and moisture resistance.
How thick is R30 insulation?
about 9 1/2 inches thick
What is the R-value of rigid foam insulation?
The R-value of rigid foam insulation typically ranges from 4 to 8 per inch of thickness, indicating its effectiveness in resisting heat flow.
What keeps your house insulated?
loft insulation, draught proofing cavity wall insulation thick curtains thick carpets double glazing
What is the r value of half inch rigid foam insulation?
The value of R is 6.8. This is in half inch rigid form.
What is rigid thermal foil?
Rigid thermal foil is a type of insulation material that is made from a sheet of foil laminated onto a rigid board, typically made from materials like foam or fiberglass. It is commonly used in construction to provide thermal insulation by reflecting heat and reducing heat transfer.
What are the benefits of using 10 rigid insulation in construction projects?
Using 10 rigid insulation in construction projects provides benefits such as improved energy efficiency, better thermal performance, moisture resistance, and increased durability.
What is the best insulation for a basement ceiling?
The best insulation for a basement ceiling is typically rigid foam insulation or spray foam insulation. These types of insulation provide good thermal resistance and help prevent moisture issues in the basement.
