We did this two ways first by dragging our 8 foot level.
Roofing felt for uneven subfloor.
Roofing felt prevents the deck from being exposed to the elements before or while the shingles are being applied.
Orgill roofing felt 30rf best roofing underlayment for older homes.
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.
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.
It improves look and uniformity.
The floor doesn t have to be level it has to.
Item 656632 model 0903000.
Determine and mark high and low spots across the floor.
Fill in low.
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.
Asphalt shingles are durable stable and relatively thin making them a good choice to level out small or large dips in a floor.
And one of them is their 30rf standard roofing felt which has a few distinct features up its sleeve.
Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment.
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.
Steps for leveling a subfloor step 1.