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In addition to local hardware stores, many big-box chains and national equipment rental companies carry floor sanders for rent. Additionally, U-Sand, manufacturers of a random orbital floor sander, operate a rental program in partnership with a number of different regional chains and local outlets. Make sure to thoroughly compare the prices at all the stores nearest you—while the costs average out to a similar range across dealerships, some of them offer significantly better rates for long-term rentals than others.

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.

Plywood is the best type of subfloor for a mobile home, though if you’re installing flooring in a bathroom, you may want to install a vapor barrier or use a moisture-proof subfloor material like Amdry. OBS is similar, but it can swell when moisture is present. 

Either way, old mobile home subflooring made from particleboard can cause issues with your joints. If you’re replacing your subfloor, it’s best to upgrade to plywood.

To clean a subfloor after removing carpet, start by removing any leftover debris, such as stuck-on underlay, nails, or staples. Next, thoroughly vacuum the subfloor to eliminate dust, dirt, and loose particles. If adhesive residue remains, you can use an adhesive remover, a scraper, or a sander to gently lift it off. Finally, clean the surface by mopping or wiping it down with a damp rag and allow it to dry completely. This preparation is essential for ensuring new flooring adheres properly and to prevent bumps or wrinkles from forming.