To ensure your outdoor cushions last long, it is a good idea to consider the properties of different types of foam before you make your decision. Here are the properties of four outdoor foams that can be used for your next outdoor foam replacement project.
Compressed polyester – Compressed polyester is not foam, but it is an alternative to traditional foam. Most compressed polyester is mildew resistant and non-allergenic. It is also easily washable and dries quickly after getting wet. Compressed polyester is a good option for occasion seating, like patio cushions.
Polyester fiberfill – Polyester fiberfill is blown polyester fibers and is great for stuffing pillows and seat backs. For structure and support, Polyester fiberfill is stuffed into sewn pillow protector fabric, to ensure your seating maintains its shape. Fiberfill is also non-allergenic and resistant to mildew. Although you can machine wash fiberfill, it can become bunch up in the process. Remember to smooth the fibers when your cushions are dry.
Polyurethane foam – Polyurethane foam is one of the most common and affordable options for outdoor seating. However, if Polyurethane foam gets wet, it will soak up water. Therefore, your foam should include a biocide treatment to prevent mold and mildew growth. If you want to keep your seating dry, consider wrapping it in a plastic insert before placing it in your cushion cover.
Open cell foam – Open cell foam allows water and air to move freely, making it comfortable and cool for seating cushions. The Foam Factory suggests Invest in Dry Fast Open cell foam to prevent mold and mildew. Open cell foam is great for maintenance free spaces that get a lot of sun, rain, and snow.