You need a dry, clean and flat surface before you can install finished flooring in a room built on a concrete slab. One of the simplest options is a sleeper-based subfloor. The result is a subfloor that protects finished flooring from cold and damp concrete-based floors.
What do you use for subfloor on concrete?
https://www.youtube.com/watch?v=BaTLu-9GO20
Can you install plywood floor over concrete?
If you're installing plywood over an existing dry concrete floor, you shouldn't have any problem. However, a new concrete floor contains a lot of moisture. ... The moisture level of the concrete should be down to 5.5% before attaching the plywood subflooring.Apr 24, 2015
Do I need a subfloor over concrete?
If you don't plan to use the space, there is no need for a subfloor or floor covering. Concrete or tile-over-concrete are acceptable floors for uninhabited basements. But to install any kind of floor covering—engineered wood, laminate, carpeting—basement subflooring is highly required.May 18, 2021
How is subfloor attached to concrete?
To install a floated subfloor system, first place a layer of plywood subfloor panels with the edges parallel to the wall. Use a ¾” spacer between the plywood and the wall and a 1/8” spacer between panels. Next, lay a second layer of plywood at a 45-degree angle to the first layer.
What do you put under wood on concrete?
When installing hardwood over concrete, this means placing a moisture barrier between the slab and flooring. Often a moisture barrier is a type of plastic sheet laid across the slab and taped at the seams with waterproof tape. This barrier will protect your floors from any moisture coming from the slab.
Can you put flooring directly on concrete?
Laminate flooring can be installed over concrete, wood or carpet subfloor or other surfaces. Installation of good quality underlayment is highly recommended. Installing underlayment is easy but it has to be done precise to avoid any tears.Jan 26, 2018
Is underlayment necessary on concrete?
Although you don't need to install an underlayment between the concrete and the tile, you need to prepare the surface before placing the tile. After all, cracks and uneven areas in the concrete can cause damage to the tile above, and uncontrolled moisture in the concrete can destroy the mortar and loosen the tiles.
Can I put a subfloor over concrete?
How to Install a Glued Subfloor Over Concrete. ... As with a floated subfloor, NWFA recommends a vapor retarder for glue-down subfloors when installing ¾” wood flooring over concrete. After installing a vapor retarder (if necessary), cut your plywood panels into 2'x8' or 4'x4' sections.
How do you lay plywood on a concrete floor?
Plywood-on-slab. Place a 6-mil polyethylene vapor retardervapor retarderOne common set of units is g/m2·day or g/100in2·day. Permeability can be reported in perms, a measure of the rate of transfer of water vapor through a material (1.0 US perm = 1.0 grain/square-foot·hour·inch of mercury ≈ 57 SI perm = 57 ng/s·m2·Pa).https://en.wikipedia.org › wiki › Vapor_barrierVapor barrier - Wikipedia directly over the concrete. Lay 3/4-inch plywood sheets opposite to the direction of the finish flooring, leaving a 1/4-inch gap between panels to eliminate squeaking. Fasten the plywood to the concrete using powder-actuated fasteners or concrete nails.
What kind of flooring is best to put over concrete?
- Engineered Wood. Natural hardwood flooring offers undeniable beauty and durability. ...
- Vinyl. As a longstanding choice for kitchens and bathrooms, vinyl has a reputation for extreme water resistance. ...
- Laminate. ...
- Carpet. ...
- Tile.