Attic Insulation New Construction

The best approach for a vented attic in a cold climate is installing a layer of drywall with a good coat of latex paint the paint creates a semi permeable vapor barrier.

Attic insulation new construction.

Blown in insulation is the least expensive option and is the most popular choice for old attics. 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. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. A cost effective way to use foam insulation is to foam the lid of the house then use loose fill insulation on top.

When installing attic insulation there are a few options to choose from. Blown in insulation is the least expensive option and ideal for older attics. Check with your contractor for more information about these options. Expect to pay an attic insulation installer about 70 per hour.

Spray foam while the most expensive is best for noise reduction and new construction. The insulation fiberglass or cellulose is then placed on top of the drywall with no vapor barrier above or below. You should consider attic or roof radiant barriers in hot climates reflective insulation and foundation insulation for new home construction. This means installing spray foam to a depth of at least 2 on the entire attic floor to completely seal everything up.

Insulation is essential in ensuring a building is energy efficent and able to regulate temperature control. The higher the r value the better the thermal performance of the insulation. Loose fill or batt the common term for blanket insulation. Insulation level are specified by r value.

For diy attic insulation you ve got two choices. Typically this is done either by placing batt or roll insulation in between the ceiling joists or by using a blower to blow loose fill insulation in between the joists. After the foam is cured loose fill fiberglass or cellulose insulation gets installed on top of the foam. The table below shows what levels of insulation are cost effective for different climates and locations in the home.

Why insulation is mandatory for new construction as a construction contractor you want to offer your clients the very best. Choose a team of local building professionals familiar with energy efficient home construction in your area. R value is a measure of insulation s ability to resist heat traveling through it. Both can be added to uninsulated attics or layered over existing material.