Roof attic insulation options costs and pros cons.
Which insulation is best for roof.
Radiant barriers aluminum sheets that cover the underside of a roof.
Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.
Loose fill or batt the common term for blanket insulation.
For diy attic insulation you ve got two choices.
Rather than trapping heat inside or outside the home radiant barrier solutions work to reflect the sun s heat.
Fiberglass is the most common insulation material.
R value is a measure of insulation s ability to resist heat traveling through it.
See the department of energy s doe ranges for recommended levels of insulation below.
This is one of the two most common types of insulation.
Often installed into wall cavities as a way to retro fit walls.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
The higher the r value the better the thermal performance of the insulation.
Get started choosing your type of insulation today the best insulation for a metal roof whether it s a standing seam a corrugated metal roof or a metal roof over shingles depends on your preferences.
Plywood helps protect the insulation for when the roof eventually needs to be replaced and it also provides additional soundproofing.
They are often used in conjunction with traditional insulation for climates that receive both hot summers and cold winters.
Fiberglass is a skin and lung irritant so always wear protective eyewear gloves masks and clothing when working with fiberglass insulation.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Insulation level are specified by r value.
Both can be added to uninsulated attics or layered over existing material.