What Is Closed Cell Foam Backer Rod

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.

What is closed cell foam backer rod.

It is used in a wide range of applications including tiling flooring window paneling and stoneware among others. The depth of the backer rod needs to be consistent which can be attained by use of a packing tool. Open cell backer rods may not be ideal for sealants that are susceptible to bubbling of air escaping the backer rod material. The rod adds stability precision and also typically save time.

Builders and contractors often use this tool initially in grooves or cracks and then they apply mortar sealant or chinking around it. Tear off strip for applications where caulking is planned. Backer rod is available in two basic forms. Backer rods are used to fill joints fissures crevices.

Meadows provides two different types of backer rods. A backer rod is a small foam rod or cord that is used to fill joints between tiles or other pieces of building material. A backer rod is a cylindrical type of foam used to fill cracks and gaps between building materials. Gray caulk backer rod for gaps and joints.

The two can be used interchangeably but there is specific environment wherein each will work best. It is durable lightweight and flexible enough to shape to contours. Backer rod is an easy to compress rope like celled foam. This simple tool which can be adjusted to various depths is unfortunately rarely used.

It is compatible with cold applied sealants and its round shape promotes the preferred hour glass shape for joint sealants. Crack flex concrete sealant m d building products 5 8 in. The reflected closed cell foam expansion joint is the reflected closed cell foam expansion joint is the solution to your concrete placement needs. It is inserted into a clean joint at the required depth before caulking sealing.

There are two different types of backer rods available commercially the closed cell rod and the open cell rod. In all these applications it is used for three major purposes. Fillpro soft type is a unique bi cellular construction that offers high compressibility but has a closed cell outer skin to resist moisture. Closed cell backer rod will not absorb water or wick water to joint walls which could cause adhesive failure.

Closed cell backer rod sikaflex 10 1 oz. 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.