Insulation Recommendations For Attic

Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace.

Insulation recommendations for attic.

There are two main types of insulation. Type and material of your insulation. See the department of energy s doe ranges for recommended levels of insulation below. Bulky materials resist conductive and to a lesser degree convective heat flow in a building cavity.

Batt and roll insulation and loose fill sometimes known as blown in insulation. The higher the r value the better the thermal performance of the insulation. The recommended r value for attic insulation in ontario is between r 50 and r 60. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.

Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation. Insulation level are specified by r value. Square footage of your attic. Insulation ratings can be improved by adding more layers of insulation.

The ideal attic insulation r value is different than the ideal wall insulation r value. Make sure your home is properly insulated in all these locations. 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. Inspecting your attic insulation.

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. R values of common types of insulation. Achieving greater r values in attics. According to home advisor insulating your attic can cost between 1700 to 2100.

Unlike fiberglass insulation. R value is a measure of insulation s ability to resist heat traveling through it. Contractor or insulation installer s fee. Recommended home insulation r values.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. You can mix the type and material of insulation too. Insulation materials run the gamut from bulky fiber materials such as fiberglass rock and slag wool cellulose and natural fibers to rigid foam boards to sleek foils. The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting.

So it s time to pay close attention to what s happening up there. See install batt and roll insulation for details. The r value of the insulation for every inch of thickness depends on the type of insulation. The main factors that impact the cost are.