Attic Drop Ceiling Insulation

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

Attic drop ceiling insulation.

An easy step by step instructional video on how to properly insulate a ceiling brou. It s often used over existing insulation in the attic where moisture control isn t needed. Try a spray foam insulation kit to fill cavities gaps cracks expansion joints and other sources of air leaks. Friction fit insulation between and parallel to the attic framing members.

Insulation level are specified by r value. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Blanket insulation is available as batts or rolls and is the easiest diy insulation material. Work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just put in.

It helps resist moisture that can lead to mold or mildew and provides increased sound and thermal insulation. It s available in fiberglass mineral wool plastic fibers and natural fibers. In a region with cold winters you might need up to an r60 layer or around 20 inches of fiberglass batts. 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.

The higher the r value the better the thermal performance of the insulation. Before you install more insulation seal any air leaks that could let attic air flow to your ceiling. Things you ll need hanger wires electric drill wire cutters tape measure fiberglass batt insulation scissors or knife chair or stepladder gloves dust mask safety glasses. In most parts of the country an r38 layer of insulation or about 10 to 14 inches of fiberglass batts is enough.

Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and to prevent thermal bridging the heat loss that occurs through the wood framing. Ensure insulation extends to the outside edge of the exterior top plates and to the peak of the cathedral ceiling. Ensure ends of insulation are butted together and flush to underside of framing. Adding insulation to a dropped ceiling is a straightforward process but because the ceiling grid is somewhat hampering use 4 foot insulation batts instead of longer rolled batting.