

People often ask if they can use 3 in 1 foam/rubber bamboo flooring underlayment under nail down floors. Another advantage of installing 15 lb felt paper is it reduces wood on wood squeaking. 15 lb felt paper would not protect your floor from sub-floor moisture. Therefore, when installing over wet crawl spaces or basements, you need to seal them first. There is a common misconception that 15 lb felt paper is a vapor barrier – it is not! While it does help to wick away moisture from the bottom of the flooring planks, it is not meant to serve as a vapor seal. This is because rosin paper tends to leave behind red dust that can stain walls and clothing. The most common bamboo flooring underlayment used when nailing a floor down is 15 lb felt paper (i.e., roofing paper) or red rosin paper. What type of bamboo flooring underlayment is best? If you’re nailing down a floor – use 15 lb felt paper. Bamboo flooring and an underlayment/vapor barrier can be installed on any existing floor, including concrete, laminate, wood flooring, vinyl tile, linoleum, tile, etc., as long as the floor is flat and solid. Using underlayment under your bamboo floor can provide soundproofing, moisture protection, and stability and reduce wood on wood squeaking. However, you do not need underlayment when gluing down a bamboo floor. The long and short of it is that you need bamboo flooring underlayment if you are nailing down or floating a bamboo floor. First things first: in case you don’t already know what underlayment is, it’s the material laid on top of the sub-floor before the bamboo floor is installed (the subfloor is pretty much the raw floor of your house, whether it’s a concrete slab or plywood resting on floor joists).
