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How to Glue Together DIY Foam Projects

For DIY fans, foam provides one of the most versatile mediums given its presence in many retail outlets and its ability to be easily cut with non-specialized, in-home tools. Because of this, creating a DIY cushion, seat pads, or even mattresses have become commonplace activities.

In the process of making these items, it is sometimes necessary to glue pieces of foam together to complete a project. To do this, spray adhesive is used, but there are a few rules and tips to follow when bonding two pieces of foam together.

The first thing to do is identify the type of foam you will be gluing. This sounds rudimentary, but different kinds of foam are made of different materials that have different reactions to adhesives. For example, certain types of aerosol adhesive can chemically melt polystyrene. Adhesives are made for all types of foam, so you will be able to find glue that will hold your materials together, not break them down.

For smaller pieces, gluing two sections of foam together is as easy as preparing an area to spray, coating both sides of the foam, and pressing the two pieces together and gently holding. This should be done from one end of the bond and pressed together toward the opposite end, similar to how a book closes. Larger pieces may not be as easily squeezed together, so to bond larger sections like couch cushions, pressing them together as is done with smaller sections and then firmly pinching all the way along the seam will ensure a good bond in your project.

To mount some types of foam sound treatment, you can spray acoustic foam with glue and apply it to walls. A light layer on only the foam can make for a lighter bond for temporary situations, while a heavy coating on the foam and then more glue on the wall will make for a strong bond.