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


DOWSIL™ 799 Silicone Glass and Metal Building Sealant is a clear, fast cure, neutral cure silicone sealant for glazing and weathersealing applications.
Available in cases of 12 cartridges (10.3 oz cartridges) in clear

Henry® 212 All Purpose Crystal Clear Sealant is a one-part, highly elastic, high-performance thermoplastic sealant. The sealant exhibits excellent adhesion to a variety of construction materials. It can be applied to wet or dry surfaces and has excellent low temperature flexibility. It is non-staining, non-sagging and skins over, tack free within 30 minutes.
Available in cases of 24 tubes (10.1 oz tubes), Color: Crystal Clear

Masterseal P 173 is a quick drying solvent-based primer for priming joints and substrates before application of MasterSeal NP 1, TX 1, NP 2, CR 195, SL 1, SL 2, and NP 150 series sealants.
Available in pints (16 oz can)

MasterSeal P 176 is a high-solids, low-VOC solvent-based primer for priming joints and substrates before application of MasterSeal NP 1, TX 1, NP 2, NP 100, CR 100 and CR 195 sealants.
Available in pints (16 oz can)

DOWSIL™ Primer-C is a solvent based silane adhesion promoter for exclusively use in construction curtain wall applications for improving sealant adhesion to painted surfaces.
Available in pints (16 oz can)