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
Showing all 5 results

Vulkem® 45SSL is a sinlge-component, semi-self-leveling, moisture-curing, polyurethane sealant that is ideal for expansion joints in horizontal applications.
Available in cases of 12 cartridges (30 oz cartridges) in black, buff, gray, limestone, and white

MasterSeal NP 1 (formerly known as Sonolastic NP 1) is a one-component, high-performance, non-priming, gun-grade, elastomeric polyurethane sealant. It requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry.
Consistently one of our top selling products, we sell a lot of NP-1. Our stock is constantly rotating, meaning you always get fresh product. If you are a contractor or that purchases NP-1 in large quantities, please contact us for volume discount options.
Available in cases of 30 tubes (10.1oz tubes) or 20 sausages (20 oz sausage pack) in 11 standard colors

Vulkem® 116 is a textured, single-component, moisture-curing, gun-grade polyurethane sealant.
Vulkem 116 is a durable, flexible sealant designed for use on poured and precast concrete, masonry work, window and door
perimeters, and similar types of construction joints. Vulkem 116 is approved for exterior use only.
Available in cases of 30 tubes (10.1oz tubes) or 20 sausages (20 oz sausage pack) in 14 standard colors

Tremco Dymonic® FC is a high-performance, fast-curing, single-component, low-modulus, hybrid sealant, formulated with proprietary silane end-capped polymer technology.
Dymonic FC is a durable, flexible, sealant that offers excellent performance in moving joints and exhibits tenacious adhesion once fully cured. Typical applications for Dymonic FC include expansion and control joints, precast concrete panel joints, perimeter caulking (windows, door, panels), EIFS, aluminum, masonry and vinyl siding.
Available in cases of 30 tubes (10.1oz tubes) or 20 sausages (20 oz sausage pack) in 19 standard colors

Dymonic® 100 is a high-performance, high-movement, single-component, medium-modulus, low-VOC, UV-stable, non-sag polyurethane sealant.
Dymonic 100 is a durable, flexible sealant that offers excellent performance in moving joints and exhibits tenacious adhesion once fully cured. Dymonic 100 is also an excellent choice as a fluid applied flashing material in rough opening perimeters for fenestration/window, door and curtain wall applications.
Available in cases of 20 sausages (20 oz sausage pack) in 21 standard colors (not all colors in stock)