Direct-to-Jobsite Building Flashing Tape Solutions in DFW
Exclusive Texas distributor of high-performance flashing tapes, weather barriers, and waterproofing membranes.
Our Core Values
Hyper-Focused Inventory
Specializing Strictly In Flashing Tapes, Membranes, And Vapor Barriers.
Safe & Efficient Delivery
Eliminating Supply House Downtime With Same-Day, Jobsite-Direct Logistics
Certified & Verified
Every Product Meets AAMA 711 Standards Built to Pass Inspection.
Flashing Tape & Membranes
In Stock Now
Certified commercial-grade flashing tape and membranes. Every product is AAMA 711 tested for real-world performance sold by the case for commercial orders.
WS20 Window Seal
Our standard self-adhered flashing tape for window and door installation. Seals the gap between the rough opening and the frame to keep water out before the exterior finish goes on. 20 mil thickness
BF20 Butyl Flash
A butyl-based flashing tape built for cold-weather installs, where standard tapes can struggle to adhere properly. Ideal for winter jobs and lower-temperature applications. 20 mil thickness
UV40 / UV2-40
A heavier-duty flashing membrane designed for high-exposure commercial applications, where the wall may sit open longer before cladding goes on. Offers extended UV resistance so the material doesn't degrade while exposed. 40 mil thickness
Elasti Flash
A flexible, self-sealing flashing tape purpose-built for round-top, arched, and custom-shaped window and door openings. The kind of straight tape can't properly seal. 70 mil thickness
Airlok Sheet 400 NP
A larger-format air and vapor barrier sheet for broader wall-area coverage on commercial jobs, not just window and door openings but full sections of exterior wall. 40 mil thickness
Airlok Sheet UV Ultra 400 NP
The UV-rated version of our Airlok Sheet, for projects where the wall may be exposed for an extended period before cladding is installed. 40 mil thickness
About The Company
Founded in May 2026 and headquartered in Lewisville, Texas, CMS Supply Group LLC is an independent, hyper-focused building envelope distributor built to solve supply chain delays for commercial, multi-family, and data center contractors across the Dallas-Fort Worth metroplex and northern growth corridors.
Reliable Solutions For Every Job Site
Supporting contractors and construction professionals with dependable materials, tools, safety products, and essential site supplies for commercial and residential projects.
Need materials on your jobsite today? Contact Us!
FLEXIBLE PAYMENTS
Order Today, Pay On Approved Terms
CMS Supply Group offers flexible purchasing options designed to support contractors and construction businesses managing ongoing projects and supply demands. Get the materials and job site essentials you need today while benefiting from structured payment solutions built for professional construction workflows.
Flexible Payment Terms
Designed to support active construction projects.
Faster Procurement
Access essential materials and supplies without unnecessary delays.
Contractor Focused Solutions
Financing structures designed around real construction workflows.
“To deliver reliable construction materials and safety supplies through fast, accessible service, including guaranteed 24-hour delivery and flexible purchasing options, while building long-term relationships with contractors and construction professionals.”
Delivery Disclaimer
We offer 24-hour delivery from the time your order is placed, subject to product availability. Orders are processed on standard business days. If an item is temporarily out of stock or requires freight logistics, a team member will contact you immediately to coordinate the earliest possible delivery window.