High-density foam has a compression rate of 44 lbs, and it provides the perfect balance of cushioning and stiffness. It is soft yet maintains its firmness and support, allowing individuals to sit on it without compressing the foam excessively. Compression, not density, determines the firmness of the foam. To avoid a cushion that is as hard as a rock or a mattress that sinks when you sit on it, you need to check the compression or ILD (indentation load deflection) number. Compression refers to the number of pounds required to compress a piece of foam by 25% while still allowing it to bounce back to its original thickness. For example, a 4-inch thick piece of foam that requires 33 lbs to pack it down 1 inch and return to its full 4-inch thickness has a 33 lb compression rating or ILD.

Foam sheets are sold per sheet, not per yard. It is important to use a ball-point pen or a pencil to open the package, rather than a box cutter, to avoid damaging the foam. Begin by making a small incision and then break it from there. The durability of high-density foam is remarkable, lasting 7 to 10 years.

Medium-density foam is used for firmness yet relaxable cushions. It has high-quality compression and materials to ensure it lasts for longer periods, even when subjected to heavy weight. However, Foamrush's Upholstery Foam Return Policy states that they do not accept returns, and there is a restocking fee of up to 50% if the item is returned to the returns department. It is important to note that cutting machines have the capacity to cut up to 96 inches in length, and any remaining piece must be glued together. Additionally, it may take 1 to 5 days for the foam to regain its original size after being unpackaged.

Foamrush's foam is certified for suitability and features a density of 1.8, a compression of 44 ILD, and exceptional recovery durability. This high-density firm foam is designed for heavy traffic and high-use applications, with an expected lifespan of 7 to 12 years. Foamrush's foam is CertiPUR-US certified, ensuring quality assurance and safety for use in various home projects.

Foam can be customized for a wide range of projects, including revitalizing worn-out chairs, sofas, cushions, and other high-density replacement applications. Foamrush's foam is uniquely formulated to provide a balance of support, comfort, and durability. It can be easily cut with tools such as slicing devices, allowing users to trim edges or stack layers for extra thickness to meet their specific needs. Foam can also be glued together to create wider pieces or layered to form thicker cushions.

When receiving the foam, it is important to open the package immediately and use caution not to use a box cutter or anything sharp, as this may cut and tear the foam. After removing the foam from the box, it should be unrolled to allow it to relax and expand to its original size, which may take 3 to 4 days. It is crucial not to cut the foam until these product care instructions have been followed.

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