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Can you put subfloor on concrete?
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.
How do you build a subfloor over uneven concrete?
6 Ways To Fix Uneven Subfloors Or Concrete Slabs Use Self-Leveling Concrete/Underlayment. How to Self Level Concrete Floors Like Pros – Self Leveler. Install A Flooring Underlayment. Grind Or Sand The Subfloor. Replace The Subfloor. Fix Your Floor Joists. Stabilize Your Foundation.
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.
What kind of plywood do you use for subfloor on concrete?
When installing subflooring over concrete, for installation of wood flooring, it is necessary to use thicker subflooring, so that it can be nailed into. A minimum of 5/8” thick plywood is recommended, with 3/4” thick plywood being considered ideal.
How do you attach plywood subfloor to concrete slab?
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 underlayment should I use on concrete?
With a concrete subfloor, you will need an underlayment that acts as a vapor barrier in order to prevent moisture from penetrating through to your laminate installation. The normal choice is a thin foam pad material made of polyethylene or polypropylene, which rolls out in sheets.
Do I need a vapor barrier between concrete and wood flooring?
Do I need a vapor barrier for hardwood floors?” The answer is YES! Moisture can destroy hardwood flooring. It causes cupping, warping, and even mildew if not treated. You must install a moisture barrier to protect your flooring from water wicking up from below.
What is the cheapest way to level a concrete floor?
The cheapest way to level a concrete floor is to use a specialized sand mix. This sand mix is 90% more affordable than self-leveling concrete while producing similar results. To do this, you will spread the sand mix across the top, spray it with water, and then let it dry.
How do you fix a low spot on a concrete slab?
If you need to level low spots on your floor, use a concrete patching compound. The patching compound also works well to repair any cracks that formed when the concrete settled. You don’t need many tools for this project, but you do need to wear protective gear for your eyes and hands. Work in a well-ventilated area.
How do you cover a concrete floor?
6 WAYS TO COVER CONCRETE FLOORS Textured Concrete Floor Coverings. If you are looking for a 3-dimensional textured floor covering that resembles most any natural material (stone, tile, wood, etc.) Thin Section / Microtoppings. Spray Applied or Stenciled Concrete. Self-Leveling. Epoxy Coating. Polishable Overlay.
Can you put wood flooring on cement?
If you have a concrete slab main floor or basement, you may be wondering if it’s possible to install hardwood flooring directly on top of the concrete. The short answer is yes.
Is it better to use OSB or plywood for subfloor?
The National Tile Contractors Association and the Resilient Floor Covering Institute both recommend plywood for subflooring and underlayment, because it doesn’t have the risk of swollen edges that OSB does. Plywood also has a slight advantage in stiffness, which means that subflooring panels need not be quite as thick.
Does plywood stick to concrete?
Concrete isn’t usually perfectly flat, so the plywood will need to conform to the concrete’s surface enough to allow the glue to bond to both the plywood and the concrete.
Can you lay OSB on concrete floor?
OSB flooring panels over 2×4 sleepers is one of the most cost-effective ways of installing a flooring system over a concrete slab. Sleepers can be installed so that they are level, thus overcoming flaws in the concrete slab and providing a straight, even surface on which to place the flooring system.
Should you put a subfloor in a basement?
First, any good basement subfloor adds insulation so your feet stay warmer in winter. Second, good subfloors provide protection of the finished flooring from lwater or water vapor moving up through the concrete, discouraging rot and mold forming underneath.
What is a floating subfloor?
Floating floors are flooring installations in which the flooring material “floats” over the subfloor and underlayment. How to Install Vinyl Plank Flooring. Due to its ease and simplicity, floating floor installation saves money and helps installation go a lot faster, making it a favorite method for DIYers.
Can you glue underlayment to concrete?
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. You should always check with the installation instructions of the underlayment for proper installation instructions first.
What is the difference between subfloor and underlayment?
Basically, subfloors are a structural part of your home that provide strength and rigidity to your home’s flooring. Underlays, on the other hand, protect your floor covering from moisture, help soundproof your floor, and offer cushioning and comfort underfoot. You can think of your floor like a sandwich cookie.
Can you put a floating floor 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.
