With a staple down or nail down installation over a wood subfloor using solid flooring or engineered flooring it is recommended that an underlayment of 15lb.
Thick recycled felt underlayment for engineered hardwood floor.
The roberts super felt premium underlayment is a 3 mm thick insulating underlayment made to reduce noise and help cushion flooring.
It also makes the floor noticeably more cushioned when compared to flooring installed over bare subfloor.
This felt underlayment is made from recycled fibers and compressed using a high heat manufacturing process.
As we prefaced at the top this product is designed for use with engineered and laminate wood floors not nailed floorboards.
It is dense 4mm thick and made from recycled felt and an attached plastic film provides decent vapor barrier protection.
Some manufacturers might claim that thicker is better for sound absorption but that is not always the case as it is not only the thickness that matters to minimize sound.
In addition to repelling pests cork also can help to reduce the incidence of stress cracks in your flooring.
In the case of most hardwood floors it is more than enough to choose underlayment with a thickness of 2 to 3mm.
A popular option if you want to install this eco friendly floor underlayment is qep cork underlayment roll.
Black felt paper is rolled out over the wood subfloor prior to installing the new floor.
By absorbing noise instead of deflecting it super felt reduces sound transmission.
Some manufacturers might claim that thicker is better for sound absorption but that is not always the case as it is not only the thickness that matters to minimize sound.