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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DOWSIL™ Primer-P is a one-part, film-forming primer for use with most DOWSIL™ sealants on porous and cementitious surfaces to promote adhesion. Also suitable for metal substrates, such as polyvinylidene fluoride (PVDF) coating resin painted aluminum, when properly prepared. It is an air drying primer supplied as a solution of reactive materials in solvent. Should not be used with DOWSIL™ 790 Silicone Building Sealant, DOWSIL™ Contractors Concrete Sealant or DOWSIL™ Parking Structure Sealants..
Available in pints (16 oz can)

DOWSIL™ 1200 OS Primer is an air drying primer supplied as a dilute solution of moisture reactive materials in volatile siloxane and is used to improve both the quality and speed of adhesion development to room temperature vulcanizing silicone sealants to a variety of common non-porous substrates.
Available in pints (16 oz can)

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)