How To Insulate An Attic With Floor Boards

To floor an attic you ll need to install a sub floor for support before laying your plywood floor.

How to insulate an attic with floor boards.

Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Because the simplest and cheapest way to insulate an attic is to add material to the floor. Modifying an attic floor s joist system is a job for the pros. On top of this the boards will provide additional insulation to bring the combined total up to the equivalent r value of 6 1.

Build up the height of the joists prior to installing flooring when the insulation reaches the tops of the joists. 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 insulation between roof trusses. But insulating your floors is a good idea for many reasons including energy efficiency and height adjustments.

As a result some homeowners may find it more desirable to place rigid board insulation on the floor and cover it up with plywood. Start with the attic floor. 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. The installation of loose fill insulation often renders the attic as unusable for storage purposes due to the loose fill on the floor.

Installing foam insulation boards in the attic is no that hard and can save you money compared with professional installation. Most people do not think about insulating their floors unless perhaps it s their attic floor. You can install inch plywood or oriented strand board osb in 4 foot by 8 foot panels over existing 16 inch oc joists. So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest.

First you ll need to measure the area you want to floor so you can calculate how much wood you ll require. If you do not use the attic much it is pointless heating this area. In practical terms you can choose between mineral wool or insulation boards. Insulating the attic floor.

Plan to pull up the flooring and layer new. 1 put on work gloves safety glasses and a dust mask before entering the attic. Foam board insulation in the attic can cut down on energy costs and simultaneously promote a more environmentally sound way of daily living. Foam board insulation is used on attics and walls yet it can also be used to insulate your floors.

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. Rigid foam board insulation can be used in the ceiling as well. How to calculate the required thickness of loft floor insulation.