How To Insulate An Attic With Floor Boards

If using a top layer of insulated loft floor boards aim for a base layer as close as possible to an r value of 2 25.

How to insulate an attic with floor boards. In practical terms you can choose between mineral wool or insulation boards. You ll have to construct a wooden frame or sub floor with boards 16 inches apart to provide extra support for the floor. 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. But insulating your floors is a good idea for many reasons including energy efficiency and height adjustments.

So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. The installation of loose fill insulation often renders the attic as unusable for storage purposes due to the loose fill on the floor. To floor an attic you ll need to install a sub floor for support before laying your plywood floor. How to calculate the required thickness of loft floor insulation.

Foam board insulation in the attic can cut down on energy costs and simultaneously promote a more environmentally sound way of daily living. You can install inch plywood or oriented strand board osb in 4 foot by 8 foot panels over existing 16 inch oc joists. Rigid foam board insulation can be used in the ceiling as well. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

Attic insulation between roof trusses. Build up the height of the joists prior to installing flooring when the insulation reaches the tops of the joists. Foam board insulation is used on attics and walls yet it can also be used to insulate your floors. Modifying an attic floor s joist system is a job for the pros.

Start with the attic floor. Insulating the attic floor. 1 put on work gloves safety glasses and a dust mask before entering the attic. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.

First you ll need to measure the area you want to floor so you can calculate how much wood you ll require. Installing foam insulation boards in the attic is no that hard and can save you money compared with professional installation. Plan to pull up the flooring and layer new. Foam insulation boards are the best material with which to work when undertaking a do it yourself project because foam.

Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Most people do not think about insulating their floors unless perhaps it s their attic floor. As a result some homeowners may find it more desirable to place rigid board insulation on the floor and cover it up with plywood.