If you don't prep it your going to have hollow areas in the glue down, and flexing floor in a floating, that will destroy the T&G. No matter if your on the 1st floor or the 100th floor, ALL concrete has moisture vapor emissions..
Considering this, can you glue down floating floor?
Laminate flooring is not recommended to be glued down. Since it is a floating floor, it is meant to support itself via locking systems and have no connection to the subfloor.
Also, do you need to glue a floating floor? Traditionally, gluing has been the installation method for installing floating floors by applying a bead of glue to the grooves on the edges of the boards during the installation process. All floating floors require an underlayment pad to be laid out over the subfloor first.
In this manner, which is better glue down or floating floor?
Benefits: Floating wood floors are easier to install than glue down floors and can be put into place faster. If you're trying to install a floor over a surface that traditional glue-down flooring can't attach to, you are better off going with a floating floor if you don't want to change your subfloor.
What happens if you nail down a floating floor?
When you nail down the boards they will still expand and contract. However, they will not move as much. On the aesthetic side, if you install a floating floor the only transition option you have is an overlap-style molding.
Related Question Answers
Can floating vinyl planks be glued down?
Floating vinyl plank flooring simply lays over the sub-floor in a “floating” fashion. They don't have any adhesive tape or glue on the back of them. It isn't recommended to install glue down flooring types on top of a high-moisture sub-floor.Should floating floors move when walking on them?
Floor Prep Problems Making sure the subfloor is relatively flat minimizes vertical movement of the floor when people walk on it. Note, though, that with a floating floor you will always have a certain amount of movement, as it is installed over a pad. When you walk, the pad compresses and the floor will move.Why is my floating floor buckling?
The most common cause of edge-warping or buckling is water or dampness rising from the subfloor in conjunction with the lack of a sufficient moisture barrier. Buckling or warping can also be as a result of an inferior product construction. Laminate floor surfaces are laminated under extremely high pressure.Can you put heavy furniture on vinyl plank flooring?
Never use rubber, as rubber can stain vinyl flooring. For heavy furniture and appliances, use a non-staining large surface floor protector. You can also put most vinyl flooring under kitchen cabinets and appliances, but it's a good idea to glue down those sections.How does a floating floor stay in place?
Like the puzzle, a floating floor stays in place because of four factors: - Joinery: engineered boards snap or glue together, - Friction: below the floor there is an underlayment. Expansion gaps are required but these walls help to confine the floor.Can I glue down floating vinyl plank flooring?
Glue down vinyl plank flooring utilizes an adhesive tape or liquid glue product to adhere the planks to the subfloor as opposed to each other.Can you glue down click and lock flooring?
If your subfloor is prone to high moisture, such as below-grade concrete, you're better off installing with a click-lock flooring because a vapor barrier can be used. In general, glue down vinyl plank floors are thinner than click vinyls. With this said, you will have less cushion over harder surfaces, such as cement.What type of glue is used for vinyl flooring?
Pressure sensitive adhesive is ideal for vinyl tile and plank flooring.Does linoleum have to be glued down?
Loose Lay vinyl flooring does not require any glue but also does not have a locking system. This vinyl offers the easiest installation as you simply just lay the planks down- one directly next to another – and keep moving forward. It is the simplest method of installation as there is no need for an expansion gap.Are Floating floors good?
A floating floor can be a good choice if you are a DIYer, or if you are on a budget. These products are typically less expensive and easier to install than comparable glue-down or nail-down flooring.Should I glue and nail hardwood floor?
Engineered hardwood floors can be glued or nailed into position, but they also have the option of being floated over an underlay. If you have a concrete subfloor, then you should glue your hardwood down, if you have a wooden subfloor then you can choose either method of installation.Can you glue down 3/4 inch hardwood flooring?
No, 3/4 solid Hardwood flooring can expand and contract more than engineered wood flooring. I would not suggest direct gluing down any 3/4-inch thick solid Hardwood flooring to any surface, the adhesive bond might not allow the solid wood flooring to move or breath normally and can cause the wood flooring to distort.How long do laminate floors last?
The average lifespan for laminate flooring is between 15 and 25 years, but it can vary from as short as 10 years to as long as 30 years. The difference in life expectancy depends on the quality of the flooring, whether it was properly installed and the amount of traffic it receives.Does tongue and groove need glue?
The recommended glue for floating installation is Tongue and Groove engineered flooring glue. Glue placement is very important. The glue must be placed along the topside of the groove the full length of the grooved side and end.Can I glue laminate flooring to concrete?
Yes, You Can! You can glue laminate flooring to a concrete wall, but you will need a special adhesive to make sure that your planks do not come falling down off of your walls due to the concrete wall having more moisture in it than regular drywall.Can you glue laminate flooring together?
Even though laminate flooring is a glueless, floating-floor installation system, glue is used as a barrier to prevent moisture from seeping into a joint and penetrating the core where two laminate flooring planks come together. By the way, this does not mean that you don't have to blot up spills immediately.Can you put a refrigerator on floating floor?
While placing a refrigerator on a floating floor is a common practice, it's a good idea to plan ahead. Purchase and install a good-quality set of rollers for the bottom of the refrigerator before placing the unit on your new laminate floor.How much weight can you put on a floating floor?
Quick Recap. The biggest concern with a heavy object is pinning your laminate to the subfloor. With direct pressure on the joints and planks, this can cause buckling if expansion and contraction is blocked. Pianos under 500 pounds should be fine over a properly installed laminate floor. 
