Hardwood floors can be installed in most areas of the home, including living rooms, bedrooms, and hallways. However, with the exception of high-quality bamboo and engineered wood, hardwood floors are not recommended for areas with high moisture levels, such as bathrooms and basements, unless specifically designed for such environments. It's essential to consider the specific conditions of each room before choosing hardwood flooring.

Carpeting with a low pile is both slip-resistant and soft, making it one of the safest types of flooring in the case of slips and falls. In order to be fully ADA-compliant, carpet shouldn’t exceed the thickness of half an inch, and you should secure the edges to the floor to prevent trip hazards.

Other ADA-compliant flooring options include hardwood, laminate, or ceramic tile with a gritty, anti-slip surface. Ceramic or porcelain tile are actually some of the best types of flooring for wheelchair users.

The best flooring for radiant heat systems is tile, including porcelain, ceramic, and natural stone. These materials are excellent heat conductors, retain warmth well, and are waterproof, which prevents mold or rot in case of leaks from a hydronic system. Unlike wood, they do not pose a fire safety risk if the heating system overheats. Ceramic tile is a particularly popular choice as it is inexpensive, easy to install, and available in many styles, making it ideal for spaces like bathrooms. Other flooring types that work well with radiant heat include laminate, engineered wood, and vinyl. If you are installing radiant heating over a concrete slab, especially in a basement, it is advisable to install a vapor barrier first to prevent issues with moisture and condensation.

While carpet over carpet may provide some additional insulation and soundproofing benefits, it's not as effective as other methods. Layering carpets can add a modest buffer against noise and temperature fluctuations, but it's limited compared to installing thicker carpet padding or using specialized soundproofing materials. For optimal floor insulation and soundproofing, consider alternative solutions tailored to your specific needs and budget, such as adding additional padding or soundproofing underlayments beneath the carpet.