You absolutely cannot use carpet underlayment underneath laminate flooring. As much as you want to cut down costs on a new floor, this is not the way to do it. Installing laminate flooring over carpet underlayment will do more harm than good in the long run..
Also know, can I put laminate over carpet?
Installing laminate flooring over carpet is not recommended in most installation situations. Since carpet is usually plush and soft, your laminate flooring would not have the support it needs to keep the locking system sturdy. If you are working with sturdy low pile carpeting, you can install laminate on top of it.
Also, can you lay laminate without underlay? Your Laminate Floor has no Pre-Attached Underlayment Many modern laminate floors come with a layer of underlayment attached to them. In such cases, an extra underlayment is not necessary. In fact, adding an underlayment in such cases can adversely impact the stability of the floor.
Likewise, what kind of flooring can you put over carpet?
You can also install laminate over existing floors made of wood, concrete, ceramic tile, vinyl sheet or even carpet. (Carpet must be fully adhered and no more than 1/4" thick over suspended wood subfloors.)
How do you cover up old carpet?
Just center a large rug in the room to cover most of the existing flooring. Position potted plants and large furniture around the perimeter of the room to cover up some of the exposed original floor, and you've solved the scary flooring situation.
Related Question Answers
Is it cheaper to carpet or laminate floor?
The cost of carpet is generally much cheaper than the cost of laminate flooring, but laminate flooring has the advantage of being longer-lasting, easier to clean, and less likely to suffer weather damage.Can I lay vinyl flooring over carpet?
The vinyl won't lay flat over carpeting and you'll always have little "humps" in it, as well as an annoying "squishy" feeling that you will grow to hate.Can you put vinyl plank flooring over carpet?
Vinyl plank flooring cannot be installed over any high pile carpet. The “squish” of a plush carpet will prevent vinyl planks from locking properly. However, if the carpet is a tight, low pile style, then thicker, tighter locking, vinyl planks may be suitable for installation.Is 7mm laminate thick enough?
7mm laminate flooring is ever slightly thicker than 6mm laminate flooring and is ideal for normal home installations. When installed over a quality subfloor with the right type of underlayment, 7mm laminate flooring has outstanding performance. Remember to be aware of the AC rating of your floor.Can you put gym flooring over carpet?
For most gym flooring, you need a hard, level, flat subsurface to lay it on. If you try laying rubber or foam over carpeting, it will sink at the seams. This can cause your tiles or rolls to come apart. This is also dangerous because it makes it very easy to twist an ankle.Can I put plywood over carpet?
Use Plywood Between the Carpet and Rubber You can use plywood to create a subfloor on top of your carpet. This is basically like building a giant platform. It will work great and protect both your carpet and your body. And to be fair, it's not that much more difficult or expensive.How can I cover my tiles cheaply?
Affix a layer of beadboard over a backsplash for a fresh, clean look. Purchase a few large sheets of beadboard, and paint them to your desired color. Measure and cut them to fit the area that you're covering. Then, apply a layer of liquid nails adhesive to the existing tile and press the beadboard against the tile.What happens if you don't use underlayment under laminate flooring?
Pay close attention to the back of your laminate flooring. If you have purchased a laminate flooring that has underlayment already attached, then you should not use extra underlayment. Having too much cushion can destroy the integrity of the locking system and cause the floor to become unstable.Is moisture barrier necessary for laminate flooring?
No matter which underlayment you choose, if you are installing on a moisture prone subfloor or concrete subfloor, you really need a moisture barrier underlayment. Protect your laminate flooring from moisture for years to come by installing moisture barrier underlayment.How important is underlay for laminate?
Underlay also acts as a thermal insulator, keeping your house warmer for longer and at less cost. This is important with laminate as it can potentially make your house feel colder during winter. Underlay also works as acoustic insulation, which is valuable with a wood floor as it can otherwise become quite loud.Can I use carpet padding under laminate flooring?
Carpet Pad Under Laminate? No you cannot. The carpet pad is way too thick which would cause your flooring to bend when you walk on it which would then cause the floor too crack at the seams. If you are trying to save money, then this is not the way too do it.Can you reuse laminate underlay?
Laminate: Not recommended under floating floors. Instead, take up all of the old laminate flooring. You may reuse the underlayment for your new floor, provided it's in good shape.Is laminate flooring with pad attached good?
Most underlayment provides extra padding on a floor. When this additional padding is combined with the pre-installed padding on your laminate flooring, it poses a risk and should be avoided. By adding unnecessary cushioning, you could actually be causing more harm to your floor than good.How do you stagger laminate flooring?
The rule of thumb that professional flooring installers follow is to stagger the end joint of adjacent rows by a distance equal to 2 or 3 times the width of the plank. That makes 6 inches the most common minimum spacing for 2- and 3-inch hardwood boards, but laminate planks are typically wider than this.What is the easiest laminate flooring to install?
Easiest floor you can lay is probably vinyl plank flooring. Great durability, fairly priced, and you don't need any tools besides a sharp knife and something straight to make your cuts with. Laminate can be hit and miss and at the least you'll need a saw. 
