Foam Series: Comparing Types of Cushion Foam

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DetailsFoam is the very core of every cushion project, and it’s important to choose the right one for your application. Different types of foam have been engineered to float, drain water, prevent mold and mildew, and withstand daily wear. You want to choose foam with attributes that are compatible with the way you plan to use it. In this post, we’re going to take a look at all seven types of foam available at Sailrite® and discuss the basic properties and recommended applications for each.For a visual aid to accompany this post, our Cushion Foam Buying Guide PDF breaks down the information here at a glance and can be helpful in comparing the properties of different foams.Polyester Fiberfill is not truly foam, but rather blown polyester fibers. An affordable option, it is a common stuffing for pillows and deep seating back cushions. Generally, Polyester Fiberfill is stuffed inside a pre-sewn cover of Spun Bonded Pillow Protector Fabric, which is then inserted into the cushion or pillow fabric to give support and shape. Fiberfill is nonallergenic and resistant to mildew. It is machine washable, but the fiber can bunch up in laundering. Use your hand to smooth it back out.CushionRite Standard is a polyurethane foam option with medium firmness that is suitable for seating and mattress applications. Polyurethane foam soaks up water when it gets wet, but the antimicrobial (sometimes called “biocide”) treatment on the foam helps to prevent the growth of mold and mildew as the foam dries out. Antimicrobial foam should be used where it is unlikely to get wet or it should be wrapped in a waterproofing layer, like Cushion Wrap Silk Film, before being inserted in the cushion cover.Medium Density foam is great for boat seats, patio cushions and occasional indoor seating. In fact, OEM boat manufacturers commonly choose antimicrobial polyurethane foam for boat seating. CushionRite Premium is a polyurethane foam that is the same basic product as CushionRite Standard Antimicrobial Foam, but with a higher density (2.8 pounds per cubic foot). The higher density makes this foam more resilient, and therefore more suitable for everyday, high-traffic uses. CushionRite Premium is available in firmness levels ranging from extra soft to extra firm and typically lasts up to 12 years. Premium (Firm) is antimicrobial as well. This foam is best for upholstery seating, high-use interior applications, such as sofa cushions, and for interior settee and berth cushions in dry boats.CushionRite Dry Fast is an open cell foam with open pores that allow water and air to flow through easily. Open cell foams make a comfortable and cool seating cushion or mattress. CushionRite Dry Fast is a high-quality open cell foam with a density of 2.2 pounds per cubic foot. It