What Is Closed Cell Foam Backer Rod

Backer rod is an easy to compress rope like celled foam.

What is closed cell foam backer rod.

Both are closed cell rods meaning they are dense and firm and intended for outdoors and heavy duty construction however one addresses hot application processes and the other cold. If you are looking for filler for indoor use then the open cell rod is best because there is less moisture in comparison to outdoor use. Closed cell backer rod is a domestic end product as defined in the buy american act title 41 usc 10. The reflected closed cell foam expansion joint is the reflected closed cell foam expansion joint is the solution to your concrete placement needs.

Backer rods are used to fill joints fissures crevices. Fillpro soft type is a unique bi cellular construction that offers high compressibility but has a closed cell outer skin to resist moisture. The depth of the backer rod needs to be consistent which can be attained by use of a packing tool. The product includes a 0 5 in.

The rod adds stability precision and also typically save time. Gray caulk backer rod for gaps and joints. It is used in a wide range of applications including tiling flooring window paneling and stoneware among others. It is durable lightweight and flexible enough to shape to contours.

It is compatible with cold applied sealants and its round shape promotes the preferred hour glass shape for joint sealants. A backer rod is a cylindrical type of foam used to fill cracks and gaps between building materials. This simple tool which can be adjusted to various depths is unfortunately rarely used. Crack flex concrete sealant m d building products 5 8 in.

The two can be used interchangeably but there is specific environment wherein each will work best. Meadows provides two different types of backer rods. Tear off strip for applications where caulking is planned. Closed cell backer rod will not absorb water or wick water to joint walls which could cause adhesive failure.

It is inserted into a clean joint at the required depth before caulking sealing. A backer rod is a small foam rod or cord that is used to fill joints between tiles or other pieces of building material. Backer rod creates an even depth and supports the sealant caulk allowing it to form the proper shape about 2x as wide as deep. There are two different types of backer rods available commercially the closed cell rod and the open cell rod.

Closed cell backer rod sikaflex 10 1 oz. Backer rod is available in two basic forms.