Waterproof & Fire Resistant
Surface Protection

Find the answers you're looking for with our Frequently Asked Questions.

To purchase Dec-Tec, request samples or for information on installation or any other questions not answered here please contact us directly.

What kind of Deck system is Dec-Tec?

Dec-Tec is a fully walkable, single-ply decking system that protects like a roof, while creating a finished appearance similar to that of a linoleum floor.

How much foot traffic can the Dec-Tec membrane withstand?

The Dec-Tec membrane is a walkable roof membrane, designed to withstand pedestrian traffic.

Is the membrane slip-resistant?

The embossment on the membrane is created to provide better resistance to slippery conditions, however like any other decking product; Dec-Tec can still be slippery when wet or snow/frost covered. It is the responsibility of the owner to maintain their Dec-Tec deck in a safe condition. All Dec-Tec membranes exceed the minimum suggested values per NFSI 101-A for wet walkway surfaces. Dec-Tec surfaces are appraised as “high traction”.

What's the difference between Select and Guardian?

The Select membrane is polyester reinforced. The Guardian membrane is fibreglass reinforced.

What are acceptable substrates?

Acceptable substrates that have been tested and proven to work are:

  1. Plywood, specification:
    • Min. 5/8" thick Tongue & Groove CDX
    • Min. 3/4" thick Tongue & Groove APA, Exterior 1 rated
  2. 1/2" DensDeck Primed
  3. Concrete Non-Primed, Fully Cured

Can Dec-Tec be adhered to itself?

No, you must use one of the acceptable substrates that have been tested and proven to work efficiently as a whole with the Dec-Tec System.

How do you apply the Dec-Tec system?

The Dec-Tec membrane is fully adhered to the substrate using an appropriate Dec-Tec adhesive. All membrane seams must overlap 2" and are thermally heat welded together to create a watertight seal. Lastly, the Dec-Tec membrane is thermally welded to all of the PVC coated terminations and flashings, creating a truly monolithic system.

Is the metal Dec-Clad flashing mechanically fastened or adhered to the substrate?

The Dec-Tec flashing is designed to be mechanically fastened (nailed using 1/4 inch roofing nails).

Can I use accessories other than Dec-Tec for this system?

The Dec-Tec accessories were developed and tested as a part of the Dec-Tec system as a whole. Any other accessories have not been proven to be compatible with the Dec-Tec system, therefore would VOID the Warranty if used.

How far up the wall should the membrane go?

There must be a minimum of 6" of membrane to run up the wall of the adjoining structure. Be sure to check with the local building code to verify what specifically is required.

How do you attach the membrane to the wall?

The membrane is adhered to the wall using the Solvent Based Adhesive. See our installation section for more detailed information.

In what temperature can the glue be applied?

Dec-Tec specifies a minimum application temperature of 34°F/1°C for the DecTec SBA 100 and 50°F /10°C for a minimum of 24 hours for the Dec-Tec WBA 100.

Does the deck have to be dry to put the glue down?

Yes the deck MUST be dry in order to accept the adhesive. See our installation section for more detailed information.

Should the glue be dry before you put the membrane down? How long does it take to dry?

Dec-Tec membrane is laid down into the Water Based Adhesive when it is still WET, while the Solvent Based Adhesive is ready to accept membrane after the substrate has been double-primed, the first and second layer have dried and the membrane layer has become tacky to the touch. See our installation section for more detailed information.


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