Attic Floor Insulation Options

Modifying an attic floor s joist system is a job for the pros.

Attic floor insulation options.

I d blow insulation on the attic floor after air sealing of course. The ceiling load may include items like drywall ducts recessed lights bathroom fans and attic insulation. It s possible to create a solid floor without investing a lot of money. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Loose fill or batt the common term for blanket insulation. You can for instance use recycled materials. For diy attic insulation you ve got two choices. Attic insulation between roof trusses.

Most houses attics are built without flooring and are not designed to carry the heavy load of finished space. R values vary based on the type thickness and density of the insulation material. Both can be added to uninsulated attics or layered over existing material. 8 easy and affordable garage floor options.

Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. Material costs and going with diy the open cell costs about 600 to cover 1 000 sq. Insulation is rated by its r value. 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.

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. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. For interior insulation this provides perhaps the greatest r value and with proper installation it covers gaps better than most options cons. 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.

R value measures how resistant types of insulation are to heat flow. Ft while closed cell comes in at 1 200. There are other materials and systems that you can use to insulate your attic. Attic space offers many options for building storage or living space especially if you already have a well built basic flooring in place.

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. The big disadvantage with spray foam is cost. Messy unsightly and can be very expensive cost.