Closed Cell Foam Backer Rod

Crl closed cell backer rod is a round flexible closed cell polyethylene foam with an exterior skin used as a backing and thickness control device for elastomeric and other cold applied sealants.

Closed cell foam backer rod.

Mile high foam also forms the correct hour glass shape of sealant assuring the contractor and owner the best adhesion and cohesion configuration possible. It is chemically inert and will resist oil gasoline and most other solvents. A closed cell polyethylene flexible rope like foam joint backing material the material is virtually non absorbent and chemically inert to most solvents. It helps prevent 3 sided adhesion while allowing you to control the depth of the sealant.

For joints susceptible to the presence of moisture prior to joint sealing such as horizontal joints. Closed cell backer rod is a domestic end product as defined in the buy american act title 41 usc 10. The material will not stain absorb moisture nor adhere to sealant materials and is non exuding. Closed cell backer rod will not absorb water or wick water to joint walls which could cause adhesive failure.

Fillpro soft type is a unique bi cellular construction that offers high compressibility but has a closed cell outer skin to resist moisture. Standard backer rod suitable for glazing installations window door applications expansion joints curtain wall joints partitions log construction. Backer rod is available in two basic forms. For cold application processes choose kool rod backer rod produced by w.

Mile high foam is a closed cell polyethylene backer rod serving as a backing for elastomeric and other applied caulking sealants mile high foam controls the depth and amount of sealant required. Closed cell backer rod sika backer rod is used to partially fill sika backer rod is used to partially fill deep expansion joints and cracks before application of your sealant. The backer rod becomes an integral part of the joint into which it is installed and therefore is available in a range of diameters to accommodate. Gray caulk backer rod for gaps and joints.

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. Fillpro hot rod xl backer rod formerly itp hot rod xl is an extruded round closed cell low density pe foam material which has been specially crosslinked to withstand temperatures in excess of 400 f 204 c. A backer rod for cold applied sealants.

Open cell backer rods may not be ideal for sealants that are susceptible to bubbling of air escaping the backer rod material.