NAC

Flooring Solutions At-A-Glance
Protect your flooring investment with superior crack isolation, sound control and waterproofing solutions.
For more than 35 years, NAC has revolutionized the installation and performance of sheet applied membranes in the flooring industry. In 1983, ECB® secured industry recognition as the first self-adhering anti-fracture membrane and has since led to a variety of flooring solutions not only for crack isolation, but also for sound control, waterproofing and moisture vapor transmission.
Install these underlayment systems under tile, stone, wood, and more to protect your flooring investments!
In-Stock Items and Accessories

Membrane Roll
ECB® Classic
ECB Classic, the world’s original crack isolation membrane, provides crack isolation protection for up to 3/8” of substrate movement, even in areas of heavy traffic.

Membrane Roll
Strataflex®
This multi-function waterproofing membrane is also a moisture barrier and provides crack isolation protection for up to 3/8” of lateral substrate movement. Comes in a 3’ x 50’ sf roll.

Liquid Membrane
Subseal®
Subseal liquid membrane is an elastomeric waterproofing membrane for interior and exterior applications of hard surface flooring. This one-part, ready-to-use membrane covers all bases as a sealant, stand-alone crack suppressant and moisture barrier for horizontal and vertical applications.

Liquid Primer
NAC TAC Primer
NAC TAC Primer has got you covered, literally anywhere. The ideal primer for interior and exterior applications, NAC TAC effectively secures below grade, on grade and above grade flooring systems.

Waterproofing
Pre-Formed Fabric Corners
NAC Pre-Formed Inside (PFI) and Pre-Formed Outside (PFO) corners are made of a lightweight, breathable fabric that can be used in conjunction with SubSeal® Liquid Waterproofing Membrane and Strataflex to provide an extra layer of waterproofing protection in corners.

Double Stick Tape
Seam and Corner Tape
This double-stick elastomeric seam tape can be used for interior and exterior applications to secure and waterproof seams, joints, shower curbs, drains, exterior decks, balconies and other protrusions. Seam Tape is installed with an NAC primer and provides maximum adhesion for securing your system.
Special Order Items

Premixed Liquid Formula
Moisture Lock 101®
This easy to use, pre-mixed formula hardens and seals the substrate, blocking MVT and maximizing the coverage of NAC primers to ensure a permanent bond to the substrate.

All-in-one Membrane Roll
Super Sam® 125
Super SAM 125 is known as one of the most effective all-in-one membranes on the market due to its superior sound reduction as well as its ability to also function as a moisture barrier and provide crack isolation up to 3/8”. Super SAM 125 can also function as a waterproof membrane when the seams and joints are properly treated.

Low Profile Membrane Roll
Super Sam® 3
SAM 3 is a low profile membrane which functions as a moisture barrier and provides crack isolation up to 3/8”. SAM 3 also protects against reflective cracking and will function as a waterproof membrane when the seams and joints are properly treated.