Second Layer Installation First layer must be dry prior to laying the second layer. Place a layer of 15-lb felt on top of the subflooring prior to installing second layer. Adhesives should not be used to fasten the two layers together. Install second layer on top of the first layer inside of the wall studs.
One of the benefits of removing the old flooring is it allows you the chance to fix any loose subflooring or squeaks by re-securing the main subfloor to the floor joists prior to installing the new flooring. With all that being said though the answer is YES you can install New Wood Flooring over the old.
Beside this, Can you replace subfloor from underneath?
Assess the damage and cut around it, then remove the damaged subfloor. When you replace the subfloor, the new ends have to sit on the joists, so cut out your wet subfloor along two joists on either side of the damage. … Lower the piece of subfloor you just cut into the opening, screwing it into the joists below.
Likewise, Do I need 2 layers of subfloor?
The end joints must fall on a joist. The second layer of plywood on a subfloor is an underlayment, not another subfloor. If you do replace your subfloor with 3/4″ T&G CDX, you won’t need an underlayment and you can maintain a nominal elevation of flooring throughout.
Also, Can I put new subfloor over old subfloor?
One of the benefits of removing the old flooring is it allows you the chance to fix any loose subflooring or squeaks by re-securing the main subfloor to the floor joists prior to installing the new flooring. With all that being said though the answer is YES you can install New Wood Flooring over the old.
Is it easy to replace subfloor?
Most floors have two layers of wood: an underlayment over a subfloor. The subfloor usually runs in a continuous sheet under all the walls. It can’t be removed easily.
19 Related Question Answers Found
Can you put a new subfloor over old subfloor?
One of the benefits of removing the old flooring is it allows you the chance to fix any loose subflooring or squeaks by re-securing the main subfloor to the floor joists prior to installing the new flooring. With all that being said though the answer is YES you can install New Wood Flooring over the old.
What do you put between layers of subfloor?
To prevent this noisy problem, it’s standard to install a layer of 15-pound felt paper between the subfloor and the hardwood planks. The building paper is relatively inexpensive and provides a cushioning barrier that keeps the two flooring layers from making contact.
Should subfloor be staggered?
Underlayment panels should be installed with the long direction, or strength axis, perpendicular to floor joists, never parallel to the subfloor seams. All panel edges should be staggered at least 2 inches to the subfloor seams for increased stability.
Should I glue and screw subfloor?
The answer: Glue. Although using a subfloor adhesive is not required by code, it is a standard practice that can help prevent floor squeaks by reducing the chance for movement at the panel-to-joist connection. A quality subfloor adhesive will also increase the overall stiffness of the floor.
Do I need to glue plywood to subfloor?
On the 3/4″ subfloor, you have the right idea. Use subfloor adhesive, and screw 8″ at edges, 12″ in field. For the 1/2″ underlayment, ideally, you want to screw every 6″ all across the panel. … Adhesive will help you here, as the subfloor plywood will have voids in spots that will not hold a fastener.
How do you add a second layer to a subfloor?
Second Layer Installation First layer must be dry prior to laying the second layer. Place a layer of 15-lb felt on top of the subflooring prior to installing second layer. Adhesives should not be used to fasten the two layers together. Install second layer on top of the first layer inside of the wall studs.
Do I need to glue plywood underlayment?
Do not glue underlayment panels to the subfloor.
Should you screw or nail subfloor?
Using code-approved screws rather than nails is the best option for avoiding movement. If using nails for subfloor installation, stick with ring-shank nails; smooth nails may withdraw easier, leading to squeaks.
Do you have to stagger subfloor?
Yes, you should favor staggered ends for our subfloor. But if you happen to have existing subfloor that is not installed this way, you may want to consider leaving it in place.
How do you know if you should replace subfloor?
– Your floors are uneven or sunken in parts. …
– Your floorboards squeak – loudly. …
– The room smells musty. …
– Your floors shift or bounce when you walk on them. …
– Your toilet is rocking or loose. …
– Your tile flooring has cracked. …
– Your hardwood floor is cupping. …
– Your linoleum floor is bubbling up.
Is it better to nail or screw plywood?
Answer: It is better to use screws on plywood instead of nails. Screws are more suitable for the soft plywood blocks since they can be removed more easily and do not cause splintering. You don’t have to worry about splitting the wood by using screws.
Can you screw into subfloor?
Use a heavy-duty drill to drive Phillips head wood screws through the subfloor into the floor joists. Drive the screws approximately 8 inches apart. To make the job easier for you and the drill, we suggest that you pre-drill holes before screwing the subfloor down.
Last Updated: 9 days ago – Co-authors : 9 – Users : 10
