Attic Insulation New Construction

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.

Attic insulation new construction.

Insulation is essential in ensuring a building is energy efficent and able to regulate temperature control. 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. This means installing spray foam to a depth of at least 2 on the entire attic floor to completely seal everything up. 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 should consider attic or roof radiant barriers in hot climates reflective insulation and foundation insulation for new home construction. 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. The insulation fiberglass or cellulose is then placed on top of the drywall with no vapor barrier above or below. Insulation level are specified by r value.

The higher the r value the better the thermal performance of the insulation. Blown in insulation is the least expensive option and ideal for older attics. Both can be added to uninsulated attics or layered over existing material. After the foam is cured loose fill fiberglass or cellulose insulation gets installed on top of the foam.

Loose fill or batt the common term for blanket insulation. Choose a team of local building professionals familiar with energy efficient home construction in your area. Spray foam is the most expensive but is the most popular choice for newer homes and new construction. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Spray foam while the most expensive is best for noise reduction and new construction. Expect to pay an attic insulation installer about 70 per hour. Blown in insulation is the least expensive option and is the most popular choice for old attics. Check with your contractor for more information about these options.

The table below shows what levels of insulation are cost effective for different climates and locations in the home. A cost effective way to use foam insulation is to foam the lid of the house then use loose fill insulation on top. Why insulation is mandatory for new construction as a construction contractor you want to offer your clients the very best. Once the old insulation has been removed and the attic is cleaned the installation of the new insulation can begin.