mattress furniture store near me growell beds and furnitures trichy An orthopedic PU foam mattress is a type of mattress that utilizes polyurethane (PU) foam in its construction, with features specifically designed to provide support and alleviate pressure points, particularly for individuals with orthopedic issues PU foam is a type of foam commonly used in mattress construction. It is known for its resilience, durability, and ability to provide support. PU foam mattresses typically consist of layers of varying densities of polyurethane foam to offer different levels of support and comfort.