

The flooring in your home consists of many layers, including the underlay (or underlayment), the subfloor, the floor covering and the finish. The underlay is the intermediate layer, made of sponge, felt or other such material and placed between the subfloor and the floor covering. When you are looking for different types of flooring in retail stores, you need to understand the importance of picking the right underlay product accordingly. This is because every flooring underlayment is different and has characteristics that can impact the function, durability and look of your finished floor. However, many homeowners often make the mistake of ignoring this aspect.
Why Install Underlayment?
The underlayment is an essential component to whichever flooring option you opt for. Just as quality underlayment helps in enhancing the aesthetics and durability of your floor, a wrong choice could potentially damage its looks and condition. Therefore, knowing which type of underlay product is suitable for each type of flooring, is important.
In fact, the flooring underlayment provides different benefits for each flooring type, both during and after the installation.
Hardwood Flooring
You are probably wondering, “is underlayment necessary for hardwood floors”? After all, they are the most durable flooring option in existence.
The primary reason for installing any hardwood underlay is to fix any imperfection with the subfloor. The right underlay will work as a barrier to prevent moisture and sound. It will reduce risks of wood warping is even more harmful to your wood floor than cupping, where the edges of the board are deformed due to excessive moisture penetrating the wood. Warping can cause similar damage but on a much larger scale.
Laminate Flooring
Underlayment is especially important for this type of flooring, since laminate flooring has a thin exterior, unlike the solid structure of hardwood. Laminate flooring underlayment is a different product than a regular thin plywood underlayment and is something specifically recommended by the manufacturers when you opt for laminate flooring in your home. The underlay is what gives the thin laminate a feel of wood, the proper cushioning needed for limiting the transmission of excess sound and helps in correcting any existing minor issue with the subfloor.
Vinyl Flooring
With vinyl flooring, preventing moisture is not the concern since this type of flooring is already very water-resistant. Then why do you need it? Simply put, vinyl flooring underlayment is mostly to provide some extra cushion and sound absorption, along with providing some thermal properties to make the flooring feel warmer during the cold. Also, when it comes to vinyl flooring, the type of product will be a key factor in determining whether you need an underlay installed.
Underlayment Materials for Each Type of Flooring
Since each type of flooring underlayment is different in terms of its features and the purpose it serves, the confusion among homeowners is understandable. While on many occasions, the subfloor itself is enough to provide the finished look that you want from your floors, at times it does require some extra support for a smoother appearance, and underlay is needed.
• Hardwood Flooring
Red rosin paper or builder’s felt is the most common choice for underlayment when it comes to your hardwood flooring. These products act as a cushion to reduce any squeaking noises between the wood and the subfloor, as well as, prevent moisture from damaging the wood. However, if sound absorption and a finished look is your primary goal, then these options are not very good ones. Foam pads, on the other hand, make for a great addition for better sound dampening.
• Laminate Flooring
Laminate flooring can sometimes be available with in-built underlayment since it is an absolute necessity. However, in case your laminate flooring does not have one, the best underlayment for laminate flooring you can always opt for the acoustic laminate underlayment and foam laminate underlayment.
While the acoustic underlays are the best underlayment for laminate flooring to reduce noise, the foam ones are a much more durable choice.
Acoustic underlays are the perfect soundproof underlayment for laminate floors. They also give support to your laminate flooring, but the foam ones are more moisture-resistant.
• Vinyl Flooring
Not all vinyl flooring types require an underlay. For example, glue-down vinyl plank and loose lay vinyl plank do not need an underlayment, and you can simply install them directly on the subfloor. But the Click Lock Vinyl Plank flooring, due to its thinner construction similar to laminate flooring, will require some underlayment. The important thing to remember is that any vinyl flooring with a thickness below 4mm needs underlay support. In such cases, foam underlays are the best underlayment for vinyl flooring.
The modern vinyl variants, Wood Plastic Composite (WPC) and Stone Plastic Composite (SPC) have a much more stable structure and thickness over 4mm. For this type of flooring, an underlayment made of vinyl itself is the best.
As you can see, underlayment plays a very important role in your flooring installation. Make sure that you are choosing the suitable underlay material according to the different types of flooring in the retail store, to prolong the beauty and functionality of your beautiful product.





