4 spread self leveling underlayment as an.
How to use roofing felt to level subfloor for laminate.
Continue to layer the shingles in this fashion until you think the floor is level.
Cut the felt to size with a utility knife.
Cut the felt at the end against the perpendicular wall by laying a level across the width of it and running a utility knife along the level.
Staple each shingle to the subfloor with a staple gun and layer the shingles to bring the level of the floor up to the bottom edge of the straightedge.
The shingles should not overlap where they meet.
While preparing to lay 1100 square feet of hardwood flooring we discovered significant variation in the osb subfloor that will serve as the nailing surface for the hardwoods.
Measure the felt to match the measurements of the low spots in the subfloor.
Uneven osb subfloor the subfloor beneath.
Unfurl a roll of roofing felt.
This article provides detailed instructions for leveling a subfloor based on our project.
Place the first shingle in the dip.
Flip the piece of felt over so it s not curling up at the ends.