Because the simplest and cheapest way to insulate an attic is to add material to the floor.
How to raise attic floor for insulation.
Plan to pull up the flooring and layer new insulation on top of the old.
If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or.
How to lay attic flooring on top of fiberglass insulation 1.
If you want to raise the floor level to fit 8 of insulation you can get 9 x2 easily from any building provider.
This allows the full depth of attic insulation to work as intended.
Put on work gloves safety glasses and a dust mask before entering the attic.
Start with the attic floor.
Wear long sleeves and pants since.
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.
These dont actually measure much more than 8.
Stop using your attic for storage.
Remove the insulation in the area you want to have the 10 12 path down the middle use the removed insulation in the areas of the attic replace removed insulatin with foam board or spray in foam r7 per inch you get the higher r value you want w o any modifications to the structure only down side is foam is more s than fiberglas.
Loftzone raises the height of the lower chord of the attic truss.
Write down the measurements after you take them.
Measure the space where you want to lay the floor.
Measure perpendicularly across the existing floor trusses.
There is a fair amount ow work involved.
You will need to notch the timbers anywhere there are wires or pipes crossing your existing timbers.
Walk to one end of the attic by carefully stepping only on the wooden ceiling joists.
Finishing your attic raise attic floor over wires with 2x2s raised storage area in your attic green living spray foam insulation attic flooring 101 all you need to raise attic.
For example loftzone storefloor is lightweight and very easy to install.