Unfurl a roll of roofing felt.
How to use roofing felt to level subfloor for laminate.
The shingles should not overlap where they meet.
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.
Uneven osb subfloor the subfloor beneath.
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.
Flip the piece of felt over so it s not curling up at the ends.
Lay two shingles flush against the first shingle on either side.
Roll out a course of roofing felt on the floor alongside the wall where you want the flooring courses to start.
Measure the felt to match the measurements of the low spots in the subfloor.
This article is part of our series on how to install hardwood floors.
Cut the felt to size with a utility knife.
Continue to layer the shingles in this fashion until you think the floor is level.
This article provides detailed instructions for leveling a subfloor based on our project.