Do you put padding under commercial carpet?

Author: Morgan Streich  |  Last update: Tuesday, February 3, 2026

Padding is not typically required under commercial carpet, especially for carpet tiles and glue-down installations. The focus is on stability and durability in high-traffic areas, where padding can actually decrease the lifespan of the carpet by causing it to shift and wear unevenly.

Does commercial carpet need padding?

Commercial carpet doesn't always need padding. Sometimes, you can glue it directly to the subfloor.

Does commercial carpet need underlay?

Before you can install your commercial carpet, first you need to install underlay for your carpet. Lay the underlay out on the floor, in the longest lengths possible, with the seams running perpendicular to the carpet seams.

Do you need carpet padding under carpet?

Simply put, carpet padding will help your carpet last longer. Carpet cushion or padding works to protect the under layer of your home's carpet from wearing against the base floor the carpet lays on top of. It also protects the top layer of your carpet from furniture indentations and the wear and tear of foot traffic.

What is the most common installation for commercial carpet?

Direct glue down installation is the most popular carpet installation in commercial settings. In this type of installation, the carpet is glued directly to the floor. The floor needs to be very smooth. Any imperfections in the floor will telegraph through the carpet and be visible.

How To Choose The Right Padding For Your Carpet Installation

How to install commercial carpet?

The process involves adhering the cushion to the floor, followed by adhering the carpet to the installed cushion. In both steps, manufacturer-defined adhesives are used – many of which are similar or identical to those used in the installation of direct-glue commercial carpet.

Does commercial carpet have to be glued down?

When it comes to picking the right flooring for a commercial setting, there are various choices, including hardwood, laminate, and carpeting. A commonly asked question about commercial carpet is whether it's always glued down or if there are other ways to install it. The quick answer is no, it's not always glued down.

Is carpet OK without underlay?

In general, carpets without underlay have a much shorter lifespan and are more at risk of rapid wear and tear.

What is the best pad to put under carpet?

When choosing carpet padding think about its density and thickness. The density of a carpet pad's foam is measured by pounds per cubic foot. For good comfort and durability, experts recommend a foam in the 6 pound to 8 pound range. The denser it is, the longer and better the pad will hold up.

Do you need a vapor barrier under carpet?

Even with a concrete subfloor under your carpet, it is important to have a moisture barrier. Water or other liquid can penetrate and erode the concrete so it's important to keep it protected.

What type of carpet is best for commercial use?

While nylon and wool fiber carpeting reign supreme for high-traffic office applications, they're not the only options to consider. Sisal, acrylic, polyester, cotton, and polypropylene carpeting are worthy contenders in their own right. It's always best to do your research before making a final decision.

How thick should commercial carpet be?

Generally, commercial carpets prioritize density over thickness for durability and ease of cleaning. A dense, low-profile carpet (with a pile height of about ¼ inch) is often recommended for most commercial settings.

What is the difference between commercial and residential carpet?

Commercial-grade carpet is built to last and withstand activity after long periods. It's geared toward heavy foot traffic, while residential carpeting is often designed with comfort and style in mind.

How often should commercial carpet be replaced?

As you contemplate what to do about your carpet, keep in mind that the average lifespan of an industrial carpet is about 7-10 years (though some can last even longer with proper maintenance and regular industrial cleaning).

Do you put padding under carpet squares?

With most applications, a padded surface beneath carpet tiles is not needed or recommended. Rug padding is by nature soft and could prevent the tiles from laying flat and tightly packed, thereby creating a walking hazard. However, with some commercial tile installations, a compact underlayment is used.

What is commercial carpet called?

There are two primary types of commercial carpet: Broadloom (roll) and carpet tiles. And if you're looking for soft surface flooring for your facility, deciding between these two types is one of the first decisions you'll need to make.

What happens if you don't put padding under carpet?

A carpet is essentially just fiber woven together. Without padding, the backing will break. Once this happens, the carpet starts to age.

What is the best thickness of carpet padding?

Most residential carpet requires a pad that is between 3/8 of an inch and 7/16 of an inch thick with a minimum 6-pound density rating. However, low-profile carpets, such as berber, should not use padding that is thicker than 7/16 of an inch (3/8 of an inch is commonly recommended).

Does all carpet need padding?

In fact, many carpet warranties are voided if they are not installed with padding underneath. Padding also makes it so that if you decide to make the jump to hardwood flooring one day, the wood underneath won't be damaged.

Can you install carpet without padding?

Yes. Think of it as asphalt for your carpet installation. Without asphalt, your car would drive over an unpaved road?with dust, potholes, and mud.

What happens if you don't use underlay?

It smooths out the subfloor

If you have areas in your subfloor that are bumpy, uneven or rough, laying carpet directly on it will lead to uneven wear and significantly shorten its lifespan. By installing underlay first you negate a lot of these imperfections, keeping your carpet looking its best for longer.

What carpet does not need underlay?

Felt backed carpets are typically easier to install than other backing types, making them ideal for those going with DIY installation. Felt carpets can also be used without the need for additional underlay, which is ideal if looking to refit the home with an affordable, cheap carpet solution.

How much does it cost to remove glue down commercial carpet?

This is particularly true if you're removing glue-down or double glue-down carpet because the adhesive has to be removed. This is why glue-down carpet removal costs about $3 to $5 per square foot. Meanwhile, stretch-in carpet removal costs around $0.50 to $1.50 per square foot.

How is commercial carpet installed?

For many commercial installations, the carpet is glued directly to the cushion or underlay. This process provides a secure and stable installation that can withstand heavy use. A high-quality adhesive should be used to ensure strong bonding.

How long does commercial carpet last?

In general, commercial carpeting has a much shorter lifespan than most other flooring materials. Even though the first-generation carpets usually lasted 8-10 years, the latest generation of products can last anywhere from 10-15 years or even longer.

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