Sanding the subfloor can remove minor swells or high spots in the wood but any low spots in the floor must be filled in order to level the plywood.
Roofing felt for uneven subfloor.
Steps for leveling a subfloor step 1.
Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied.
If you have a long dip in a floor you can apply a row of asphalt shingles over a long space.
You can level the plywood floor yourself using roofers felt a type of black paper comprised of fiberglass or polyester fleece which will help prepare the surface for your hardwood installation.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
Item 656632 model 0903000.
And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve.
If you ve got an uneven subfloor on which you want to apply flooring you can make the floor level by using asphalt roofing shingles.
We did this two ways first by dragging our 8 foot level.
Set a strategy for filling in low spots to even out the floor.
Asphalt shingles are durable stable and relatively thin making them a good choice to level out small or large dips in a floor.
The makers at orgill roofing felt have a few solid options for the homeowners out there.
Because your roof deck might not lie perfectly straight or flat a layer of roof paper gives an even uniform surface upon which you can install your shingles.
Fill in low.
Orgill roofing felt 30rf best roofing underlayment for older homes.