Attic Floor Insulation Options

However if you keep the storage weight to a minimum you may be able to build a storage platform above the insulation by attaching supporting beams to the sides of the trusses.

Attic floor insulation options.

I d blow insulation on the attic floor after air sealing of course. However in some cases the joists are intentionally built strong enough for the homeowner to later build out the attic. 15 totally unexpected diy flooring alternatives. 8 easy and affordable garage floor options.

Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Attic insulation between roof trusses. Most houses attics are built without flooring and are not designed to carry the heavy load of finished space. Attic floors are often heavily insulated and if the existing insulation extends well above the floor joists laying down floor sheathing over the insulation will compress it.

Ft while closed cell comes in at 1 200. The big disadvantage with spray foam is cost. It s possible to create a solid floor without investing a lot of money. For diy attic insulation you ve got two choices.

Messy unsightly and can be very expensive cost. Attic space offers many options for building storage or living space especially if you already have a well built basic flooring in place. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. R value measures how resistant types of insulation are to heat flow.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. The ceiling load may include items like drywall ducts recessed lights bathroom fans and attic insulation. In zones 4 through 8 if you have full height insulation over 100 of the ceiling including the top plates as shown in your excellent guide here the iecc allows r 38 rather than the r 49 that is required if you can t achieve full depth insulation over 100 of the attic floor. There are other materials and systems that you can use to insulate your attic.

You can for instance use recycled materials. Both can be added to uninsulated attics or layered over existing material. For interior insulation this provides perhaps the greatest r value and with proper installation it covers gaps better than most options cons. Insulation is rated by its r value.

Insulation derives its resistance to thermal transfer its r value through the presence of dead air space so compressing the insulation will actually reduce its r value. Material costs and going with diy the open cell costs about 600 to cover 1 000 sq. Modifying an attic floor s joist system is a job for the pros.