Attic Ceiling Insulation Installation

Attic insulation between roof trusses.

Attic ceiling insulation installation.

When installing multiple layers of insulation for optimal thermal performance install the first layer bottom layer parallel to attic framing members and flush with both bottom and top. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Creating a moisture barrier. When laying insulation it s a common mistake to cover up the soffit vents.

In the attic install a card that indicates insulation levels in the house to meet code requirements. However most older attics are under insulated so it s a good idea to raise the r value where possible. What is the right insulation for an attic. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.

Calculate how much you need. How to install fiberglass insulation step 1. Lay down boards or plywood sheeting to help you be able to walk safely in the attic space. Soffits are part of the overall.

Insulation goes between roof and interior space if your attic is already finished it probably is at least partially insulated. As a result of evaporation people breathing and plant respiration air carries some. Check pipes and vents. Before installing determine the insulation material best suited for your home.

Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Unfinished or uninsulated attics need a layer of protection against air migration. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

Begin laying in. Before you ever get insulation anywhere near the attic though make sure that you get the air leakage sites sealed up. Choose your insulation type. If you put an air permeable insulation material over a hole in your ceiling you may have comfort indoor air quality durability and efficiency problems.

If you don t have an attic however there is no alternative but climb a ladder and do it by hand.