Rubber Roofing Direct
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of EPDM rubber roof systems, kits and accessories

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EPDM Primer
Availability: In Stock
Excl. VAT: £5.50 Incl. VAT: £6.60
DuoPly™ EPDM Primer is a one-step cleaning and priming process for pre-applied seam tape (PST), protecting and giving your roof long-lasting durability.
Excl. VAT: £5.50 Incl. VAT: £6.60

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  • Product Info
  • Technical
  • Installation
  • FAQ

DuoPly™ EPDM Primer


DuoPly™ EPDM Primer is a fantastic solution in priming surfaces prior to application of seam tape, cover strips and walkway pads.


This durable and versatile primer can be used in conjunction with all pressure sensitive products.


To ensure that your roof is fully protected from weather changes and other factors, we strongly recommend using DuoPly™ EPDM Primer on rubber membranes before applying pressure sensitive tape.


This is a perfect solution for covering or repairing any tears or exposed parts of your roof. This can also be used for the application of 6" cover tapes & accessories such as pipe boots and drains.

Installation Guide


How to Apply:


Ensure that the DuoPly™ EPDM Primer has been shaken and mixed thoroughly before use and that the surface is clear of all dirt.



  • Use a brush or roller to apply the primer to the area to be coated. Ensure that the primed area is free of streaks and puddles don’t form. Make sure the area is 100% covered by the primer.

  • Allow the DuoPly™ EPDM Primer to fully dry on the surface of the EPDM membrane. Once the primer has cured, apply the accessory or tape immediately to minimise any weather contamination.

  • Apply weight down onto the accessory or tape to ensure that it has been applied properly to the primer and membrane.


My DuoPly™ EPDM Primer has a jelly-like consistency, is it usable?
If your DuoPly™ EPDM Primer has a consistency like this, do not use it. This will cause problems during the application process and could mean the installation is unsuccessful in the long-term.


How much coverage can one litre of DuoPly™ EPDM Primer offer?
DuoPly™ EPDM Primer offers coverage rates of up to 47.5 linear metres per litre. We offer DuoPly™ EPDM Primer in 0.5L and 1L bottles.


If I use an excessive amount for the area to be primed, does this improve the adhesion of the accessory or tape?
Excessive use of DuoPly™ EPDM Primer will not significantly enhance the adhesion of whatever is to be applied onto the EPDM membrane. Ensure that the entire area has been covered and the DuoPly™ EPDM Primer is spread evenly to avoid entrapped air.


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