Insulation Recommendations For Attic

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.

Insulation recommendations for attic.

Insulation ratings can be improved by adding more layers of insulation. So it s time to pay close attention to what s happening up there. Square footage of your attic. 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.

You can mix the type and material of insulation too. There are two main types of insulation. The main factors that impact the cost are. 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 blown in insulation is best for tight spaces or if your attic already has a layer of insulation. The two distinct types of attic insulation are loose fill material also commonly known as blown in insulation and batting. Contractor or insulation installer s fee. According to home advisor insulating your attic can cost between 1700 to 2100.

Recommended home insulation r values. R values of common types of insulation. See install batt and roll insulation for details. 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. Achieving greater r values in attics. Insulation level are specified by r value. Bulky materials resist conductive and to a lesser degree convective heat flow in a building cavity.

Unlike fiberglass insulation. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. See the department of energy s doe ranges for recommended levels of insulation below. Loose fill cellulose insulation is composed of pulverized paper and fabric material treated with a flame retardant.

R value is a measure of insulation s ability to resist heat traveling through it. Rigid foam boards trap air or another gas to resist conductive heat flow. The r value of the insulation for every inch of thickness depends on the type of insulation. The recommended r value for attic insulation in ontario is between r 50 and r 60.

Recommended inches of cellulose attic insulation. Inspecting your attic insulation. Make sure your home is properly insulated in all these locations. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.