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OUR CORE VALUES
Integrity
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Ready to Get the Job Done Right?
Shop NowShop Trusted Products Built to Perform
Browse FSI's most reliable materials and supplies — built for cold storage, construction, and commercial projects that demand long-lasting performance.
Fasteners
Caulks & Sealants
Spray Foams
Ceiling Tees & Suspension
HDPE Lumber
Tapes
Fiberglass Reinforced Panels
Insulation
Anchors
Need Help with Your Next Project?
Our team is ready to answer questions, recommend products, and help you get what you need — fast.
Talk to an ExpertTrusted by Builders, Backed by Results
Real stories from real customers who count on FSI to deliver the right products — fast, accurate, and hassle-free.
5 out of 5 stars
“From finding that unique product that they did not carry to stopping by the overnight freight company after hours or for assisting with the correct fastener for the job.”
Loris Burton | Senior Project Manager
5 out of 5 stars
“For 25 years, we’ve developed a strong relationship with Fastener Systems, Inc. Their company focus is on customer service, quality products and accommodating our challenging needs.”
Huey Merril | Owner
5 out of 5 stars
“From finding that unique product that they did not carry to stopping by the overnight freight company after hours or for assisting with the correct fastener for the job.”
Lex Gordon | VP JAX COOL
Benefits of Working at FSI
Competitive Salaries
We offer industry-leading salaries to ensure our employees feel valued and motivated to perform at their best.
Comprehensive Benefits Program
Our comprehensive benefits programs include medical, dental, and vision insurance.
Retirement Plans
We offer competitive 401(k) retirement plans with company matching to help our employees secure their financial future.
Employee Recognition Programs
We recognize and reward outstanding performance with our employee recognition programs, including bonuses, awards, and special events to celebrate achievements.
Employee Stock Ownership Program
At Fastener Systems, all full-time employees are owners through the ESOP, fostering a vested interest in the company's success. This shared ownership boosts our competitiveness, as each employee-owner benefits from the company's growth. It's an added benefit, alongside the retirement plan, at no extra cost.
From finding that unique product that they did not carry to stopping by the overnight freight company after hours or for assisting with the correct fastener for the job.
Loris Burton | Senior Project Manager
5 out of 5 stars
For 25 years, we’ve developed a strong relationship with Fastener Systems, Inc. Their company focus is on customer service, quality products and accommodating our challenging needs.
Huey Merril | Owner
5 out of 5 stars
From finding that unique product that they did not carry to stopping by the overnight freight company after hours or for assisting with the correct fastener for the job.
Lex Gordon | VP JAX COOL
5 out of 5 stars
Careers at FSI
Explore open roles and internships where you can make an impact, grow your skills, and build a future with us.
Market Analysis & Business Development Internship
Admin
West Chester, PA
Admin
West Chester, PA
Overview: This is a 3-month paid summer internship opportunity. The internship will involve data analysis to identify “share of wallet” opportunities within existing customer base. It will also include survey development and execution at targeted new customers to gather information and assess the business opportunity.
I'm Interested in Working for FSI
Admin
West Chester, PA
Admin
West Chester, PA
Sorry, We have no openings for these search criteria
Sorry, We have no openings at this time
Reliable Fasteners for Every Job
From self-drilling screws to specialty hardware, FSI offers the fastening solutions professionals trust on site and in the shop.
Tapes
tapes
Butyl Tape
$0.00
tapes
Roofseal
$0.00
tapes
PEEL & SEAL TAPE
$0.00
tapes
Vapor Guard Tape
$0.00
Self Drilling Screws
self drilling fasteners
Clipfast Self Drilling Carbon Steel Fastener Tek 1
$0.00
self drilling fasteners
FastSeal
$0.00
self drilling fasteners
Self Drilling Hex Sealing Washer Head Tek 5
$0.00
self drilling fasteners
Self Drilling Hex Washer Head Tek 3 Bi-Metal
$0.00
More Than Products — We Provide Solutions
At FSI, we understand that every job is different. That’s why we go beyond supplying materials — we help you find the right solutions for your specific needs, timelines, and environment.
Whether you're working on cold storage, commercial construction, or custom projects, our team is here to offer product support, technical advice, and responsive service every step of the way.
Tips, Guides & Industry Know-How
From expert how-tos to project inspiration, explore articles that help you get the most out of your materials and your build.
Tapes & Sealants
Selecting the Best Metal Roof Sealants for Maximum Performance
The durability and performance of metal roofs relies significantly on the sealants utilized. It is essential to opt for high-quality options for construction and maintenance purposes. This guide focuses on identifying important features, benefits, and practical tips for selecting and applying the most suitable metal roof sealant.
Solutions That Work as Hard as You Do
From fasteners to sealants, FSI products are designed to meet the real-world demands of construction and cold storage environments — with durability you can trust and service you can count on.
Built to Serve. Engineered to Perform.
From custom solutions to responsive support, FSI delivers what your project demands — when and where you need it.
In-House Manufacturing
Control, speed, and quality from start to finish.
On-Demand Shipping
Same-day fulfillment to keep you on schedule.
Knowledgeable Support
Real people. Real expertise. Ready to help.
Supporting Your Build From Start to Finish
At FSI, we provide more than just materials — we offer knowledge, reliability, and solutions built to meet your project needs. Explore how we can help you stay ahead, save time, and get the job done right.
Behind the Build: How Fasteners Are Made
Take a closer look at what goes into creating the essential components that hold your projects together — from raw metal to precision threads.
Supporting Your Build From Start to Finish
At FSI, we provide more than just materials — we offer knowledge, reliability, and solutions built to meet your project needs. Explore how we can help you stay ahead, save time, and get the job done right.
Stronger Together. Smarter Every Step.
See how FSI empowers collaboration across the job site →
Build as One Team
Coordinate across crews, vendors, and project phases with centralized support and reliable materials.
Streamline Your Workflow
Reduce downtime and simplify your supply chain with fast fulfillment and expert recommendations.
Learn and Improve
Stay ahead with insights, product guides, and support that help your team build better over time.
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