Difference Between Attic And Wall Insulation

The right insulation for this wall would be 3 1 2 deep and 15 wide.

Difference between attic and wall insulation.

Insulation is designed specifically for each area to ensure it fits the required stud spacing s cavity depth and thermal ratings r values. For example an attic should have insulation quality and volume that is rated between r 49 and r 60 in zone 7 regions like buffalo new york where it gets downright icy in the winter. Ceiling walls underfloor and between floor areas. A blower machine allows the installer to place the materials precisely where they need to be.

On the attic floor i wan to lay some flooring and a small walkway. The insulation is with facing against the inside. If the attic already has a layer of insulation up to the top of the joists use unfaced insulation with the new batts installed perpendicular to the joists. 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.

Kraft faced insulation should be installed in exterior walls exterior basement walls and attic ceilings by pressing the product into the wall cavity with the paper side. These tiny air pockets slow down heat as it tries to pass through the insulation. The most common insulation materials are fiberglass cellulose and foam. Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Insulation types include loose fill batts rolls foam board spray board and vapor barriers. However in the balmy florida panhandle with climate zones 1 and 2 insulating attics from r 30 to r 60 is ideal since good winter insulation isn t critical but. Residential insulation is designed for the four main areas of your home.

Kraft faced insulation includes a paper vapor retarder which helps prevent mold and mildew. This cotton candy like insulation earns its r value by trapping air in between tiny fibers. Also it is an unfinished extra room. I want to cover the insulation with a thin layer of plywood or paneling on the walls of the stairway going up to the attic.

Fiberglass rock wool and cellulose fiber insulation are the most common materials used in blown in projects. In other words i see pink. If the attic doesn t have any insulation use faced insulation with the vapor barrier facing toward the living space and cut the batts to fit in the space between the ceiling joists. This installation technique keeps the insulation materials loose and crumbly allowing air pockets to naturally form between the fibers.