In most cases, you do not need to put padding or underlayment under carpet tiles. Unlike traditional carpet, which requires a separate pad, carpet tiles are designed to be installed directly onto a firm subfloor like plywood, concrete, or tile. Many carpet tiles come with a built-in underlay and attach with peel-and-stick adhesive, double-sided carpet tape, or glue. For a more comfortable, cushioned feel, especially in residential settings, you can opt for padded carpet tiles that have a thicker underlay attached. While it's generally not recommended to install a separate pad, a compact underlayment might be used in some situations, though this typically requires professional installation. An acoustic underlay may also be considered in commercial spaces or multi-level homes where noise reduction is a priority.

Yes, carpets should be replaced after a house fire or significant smoke damage, even if they appear undamaged. Smoke, soot, particulates, and chemicals can penetrate deep into the carpet fibers and padding, making complete removal a complicated and time-consuming process. If water was used to extinguish the fire, it can also soak through the carpet and padding, creating a risk of mold and mildew growth. Due to these challenges and potential health risks, replacing the carpet is the safest and most effective solution.

Berber is a loop pile carpet known for its strength, durability, and distinct looped look. It can be made from a number of different carpet materials, including nylon and wool. However, Berber isn’t as soft as cut pile carpet, so it isn’t the best carpet for a bedroom (although it’s a good style of carpet for living rooms).

With that said, if you really like the look of Berber, you can still install it in your bedroom—it just might not be as comfortable on your feet as cut pile carpeting.

If you don’t put padding under your carpet, the carpet won’t be protected from wear on the underside. This could result in a shorter life span for your carpet and increased carpet repair costs over time. An unpadded carpet can also be less comfortable to walk on, depending on your subfloor and the type of carpet.