Can I use fibreboard underlay on concrete?
foam underlay - suitable for concrete and wooden/ plywood sub-floors. ... fibreboard underlay - also suitable for both types of sub-floor. If using this, a concrete sub-floor will also need a damp-proof membrane.
What is the best underlay for uneven floor?
Does fibreboard underlay need expansion gap?
Apart from that, fibreboard underlay provides great sound reduction and thermal insulation and all these in an affordable price. Bear in mind, that you should leave a 2mm expansion gap between the staggered boards and 10mm gap around the perimeter of the room.
Is 12mm underlay too thick?
It is possible to buy thicker underlay than 12mm, although this would be a little unpractical and quite difficult to fit. The Underlay4U 12mm doesn't just provide plenty of cushioning, it also: Has a fantastic impact noise reduction rating of 41db. Provides excellent heat retention with a tog of 2.
Is rubber underlay better than foam?
PU foam is becoming increasingly popular and is a more modern material for underlay. ... PU foam is lightweight and easy to fit in most rooms. Sponge rubber is denser and heavier, which makes it slightly more difficult to fit and handle in certain places, such as the stairs.
Can you double up on underlay?
You can't double up on underlay. If you've got old carpet, vinyl or wood on your subsurface, you'll have to remove it first. The same goes for existing underlay products. Doubling up can cause the floor or the underlays beneath to slide, again causing damage to your boards.
What is the thickest underlay available?
Does underlayment help with uneven floors?
Self-leveling underlayment products can be used on concrete floors, wood subfloors that are uneven but still in decent shape, and even over ceramic tile floors—eliminating the task of tearing out the old tiles. Check to ensure that the product you purchase is compatible with your floor.
How thick should my underlayment be?
Underlayment: Just under the visible floor covering is a layer of some kind of material, usually only about 1/4- or 1/2-inch thick. Its purpose is to provide a smooth, flat surface for the floor covering. ... The OSB or plywood is normally 19/32- to 1 1/8-inch thick.
Is 5mm underlay good?
5mm thickness provides excellent acoustic performance, noise reduction and impact resistance. Features a very low thermal resistance so is ideal for use with Underfloor Heating systems.
Can you use CDX plywood for underlayment?
CDX is a exterior grade, not designed for a sub-floor span. 3/4" CDX square edge could be used for the subfloor only if a T & G underlayment is used on the top. ... Some areas will use the T & G sturdie floor 23/32" rated plywood, but nothing else for an underlayment.
Should plywood underlayment be glued?
No, you should not glue down your underlayment. Underlayment is is a floating material, the same as your laminate flooring. In most cases, you should not glue or nail your underlayment down.
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