Sale! Backer Rod by the Foot Open Cell and Closed Cell Nomaco
Nomaco Backer Rod used with Construction Control Expansion Joints InstallationNomaco Backer Rod used with Glass Window Glazing InstallationNomaco Backer Rod used with Log Home Chinking Caulking Installation


Conspec Family Business BadgeConspec Warranty BadgeCylindrical, flexible soft backer rod composed of bi-cellular, open cell material TYPE: B – Per ASTM C 1330. Round Soft rod of various diameters for use with non-sag and self leveling cold applied sealants TYPE: 3 – Per ASTM D-5249. Also reference ASTM C-717 for use as gasket or sealing material.

Clear selection

Nomaco – SOF Backer Rod by the foot

Sof Backer Rod (SBR) Not all backer rod is created equal! Sof Rod is a state-of-the-art sealant backing material combining the best properties of both open and closed cell backer rods in a single, trouble-free product. Sof® Rod is a continuous length of soft extruded polyolefin foam made with a non-absorbent outer “skin” and a highly resilient interior network of open and closed cells. Sof® Rod will not out-gas if ruptured. Sof Rod has No Moisture Absorption unlike other backer rods, and Easily Conforms to Irregular sized Joints and gaps. Compatible with all know types of sealants including butyl, polyurethane, silicones, polyether, scypolymer, tri-polymer, polysulfide, acrylic, etc. Consists of both open and closed cells on the inside with a skin-like outer texture. Non-stick Bi-Cellular skin open and closed cell. High moisture resistance. SOF-Rod may also be used as a gasket or sealing material as per ASTM C-717.

Also sometimes called nomafoam, crack filler rod, foam rod, quick rod, foam filler, insulating filler, filler rope, poly foam, chinking foam, denver foam, titan foam, tundra foam, mile high foam, expansion joint sealant backer, caulk saver, log home chinking, whatever you call it, we have it, and the largest selection in-stock ready to ship!

We Sell Backer Rod by the foot, by the stick, by the case, by the roll, and by the pallet, call us to order!

(Custom-cut Backer Rod sold by the foot is non-returnable, non-refundable, non-cancellable; color could be gray or charcoal and is non-selectable)

Additional Uses for Backer Rod;
• Roofing Applications
• Compression Seal Windows and Doors
• Log Home Chinking
• Crack Repair
• Water Barrier
• Safety Bumpers
• Weather Stripping
• Sealant Backing
• Door Frame Filler
• Window Seals
• Boat Dock Bumpers
• Air Moisture Penetration Filler

Weight .25 oz
Dimensions 8 x 5 x 1 in
Product Size

1-1/4″, 1-1/8″, 1″, 1/2″, 1/4″, 3/4″, 3/8″, 5/8″, 7/8″

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