ATTENTION CUSTOMERS: The building & construction industry is currently experiencing a worldwide shortage of raw materials due to the COVID-19 pandemic. Manufactures have already begun notifying distributors of these disruptions and shortages in the supply chain and have also implemented immediate price increases. At this time we cannot guarantee all items will be available in stock. If you have a large job coming up make sure to order early so that we can still provide you with the materials needed to complete your jobs. Please allow additional time for your order to arrive, thank you for your patience in this matter.
Sale! Nomaco Backer Rod Sticks
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, continuous lengths of extruded, closed-cell polyethylene foam backer rod for use as a backing material for elastomeric and other cold applied sealants TYPE: C – Per ASTM C 1330. Round rods of various diameters for use with cold applied joint sealants TYPE: 3 -Per ASTM D 5249.

Clear selection

Nomaco | Hard Backer Rod HBR

Hard Backer Rod (HBR) Not all backer rod is created equal! Nomaco HBR Closed Cell Backer Rod limits the depth of the sealant and prevents excessive sealant use. It also helps sealant assume optimum shape factor to prolong sealant service life and acts as a barrier to the flow of sealant through the joint. Common applications include, but are not limited to, expansion and contraction joints, curtain walls, construction partitions, parking decks and bridge construction. Also sometimes called Nomafoam, Crack Filler Rod, Filler Rope, Poly Foam, Caulk Saver, Log Home Chinking, whatever you want to call it, we have 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 16 oz
Dimensions 2 x 2 x 72 in
Product Size

1-1/2″ x 552′, 1-1/2″ x 6′, 2-1/2″ x 240′, 2-1/2″ x 6′, 2″ x 360′, 2″ x 6′, 3″ x 144′, 3″ x 6′, 4″ x 6′, 4″ x 90′, 6″ x 72′, 6″ x 9′

Product Type

6′ Stick, 9′ Stick, Large Case

You may also like…