ALL OUR BRANCHES WILL BE CLOSED AT 10AM ON OCT 31, 2025 FOR COMPUTER MAINTENANCE
Pro Fastening (PFS) is excited to share that we are now officially part of Triangle Fastener Corporation (TFC) family.
PFS is a trusted fastener supplier in the midwest and this now strengthens TFC's presence to 32 locations, 3 distribution centers, and 9 paint facilities nationwide - expanding our ability to deliver innovative, proprietary brands like CONCEALOR®, BLAZER, and APS500® to customers across North America.
The PFS website will remain active during this short transition to ensure uninterrupted service but will soon forward to www.TriangleFastener.com.
Thank you for your continued support! TriangleFastener.com
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Closed cell backer rod is an ideal non absorbent compressible backup material inserted into a joint to control sealant depth, creating a backstop to allow proper sealant tooling. It can also be used as a temporary joint seal.
Available in multiple diameters and sold per hundred lineal feet

Denver Foam® is an open cell polyurethane backer rod serving as a backing for elastomeric and other applied caulking sealants.
Available in multiple diameters and sold per hundred lineal feet

Open (soft) cell backer rod is a soft, gray, pliable non-gassing backup material for construction joints and applications that require sealants.
Available in multiple diameters and sold per hundred lineal feet

FillPro® Open Cell Backer Rod (formerly Tundra Foam) is a pliable open-cell polyurethane foam material used for filling irregular joints. It is chemically inert and will resist oil, gasoline and most other solvents. The material will not stain, or adversely adhere to sealant or caulking materials.
Available in multiple diameters and sold per hundred lineal feet