National Coatings Blog

A Quick and Easy Solution for Coating Aged Single-Ply Membranes

Posted by Nicole Gale on Thu, Jul 07, 2016 @ 08:30 AM
Single-Ply membranes are the most difficult roofing membrane to adhere to due to how they physically break down and the residue that remains. Most roof coatings require caustic primers, acid etching agents, or high VOC solvents that need to be rinsed off and sometimes collected for disposal, adding additional cost to a roof life extension project. National Coatings fortunately has a quick and easy solution for Single-Ply --- the AcryShield A502 base coat.  A502 allows for direct and tenacious adhesion to Single-Ply membranes without the need for a primer or etching rinse.

AcryPly_Acrylic_Diagram_-_A502_eliminated.jpgA502 was introduced by National Coatings Corporation in 2006 after three years of intensive research and successful installation, including both laboratory and actual in-service field testing. This coating was designed with self-priming characteristics that eliminate the need for additional primers or etching rinses while exhibiting a tenacious adhesion for thermoplastic and thermoset single-ply membranes, such as Hypalon, TPO and EPDM.  Previously, the only primers used for coating these membranes were solvent borne, which required warning labels, had very high VOC (volatile organic content) and required extreme care when applying to prevent fumes from entering the building.  The only other option for coating EPDM was a "prewash" or "rinseable primer" that had a very high, corrosive pH, so high that it would react with human skin oils, causing chemical burns. 

The AcryShield A502 has three inherent advantages over the previously used primers:

  • It is water borne, so there is no concern about flammable solvents, VOC or fumes entering buildings.
  • It replaces both specialty primers for the thermoplastic membranes and the corrosive rinseable primer for EPDM.  Thus there is no need for separate primer/basecoats for different types of roofing membranes.
  • Its VOC is only 0.5 grams per liter. (According to the International Green Construction Code (IGCC) the mandated maximum allowed is 50 VOC’s grams per liter.)

AcryShield A502 has allowed National Coatings to be the only roof coating manufacturer with industry leading capabilities that successfully adhere directly to aged and failing single-ply membranes with a proven and verifiable 10-year track record. The next time a project calls for coating single-ply roofing membranes, the roofing contractor, consultant or specifier should request the AcryShield A502

FREE GUIDE: Single-Ply Roof Coating Systems

Tags: Single-Ply Roof Coatings, direct adhesion, EPDM Roofing, TPO Roofing, Hypalon Roof Coating

Ultra Low VOC, TPO Roof Coating Systems Provide DIRECT Adhesion to Aged TPO

Posted by Nicole Gale on Tue, Mar 22, 2016 @ 08:00 AM

spray_application_top_image.gifEnvironmentally friendly roof coating systems provide an easy way to aid in the protection of our planet. We are very conscious of our carbon footprint and are constantly evaluating our roof coatings to improve their sustainability, energy efficiency and reduction of toxins emitted into the atmosphere.

Need Help? Contact a Roofing  Professional  Zero ObligationAfter much research and laboratory testing, NCC developed both a TPO roof coating restoration system - AcryPly System, and a TPO roof coating maintenance system - ARM System, where each delivers tenacious adhesion to aged and failing TPO without the need for caustic primers, acid etching agents, or high VOC solvents that need to be rinsed off and sometimes collected for disposal. These systems also provide excellent sustainability and renewability, increased energy efficiency and conservation and ULTRA low VOC's (Volatile Organic Content).

Both the TPO roof coating restoration system and our TPO roof coating maintenance system use top coats that contain ZERO VOC’s. The AcryShield A500 or Quick Set A600, provide industry leading UV protection, longevity and brightness with superior dirt pick-up resistance and protection against biological attack (algae). A500 exceeds all ASTM D6083 requirements and A600 exceeds ASTM D6083 requirements for critical properties such as tensile strength, elongation, wet adhesion and weatherability.

These systems use the AcryShield A502 base coat, which is an ULTRA LOW (0.5) VOC coating that provides tenacious adhesion directly to the original TPO substrate without the need for additional primers. Saving contractors installation time and building owners money. The A502 base coat provides excellent waterproofing, superior adhesion and resistance to ponded water. 

Want more information on our ZERO VOC roof coatings click the link for a list of all our zero or ultra low VOC products that meet the IGCC's requirements. You can also get more information on DIRECT adhesion to aged and failing Single-Ply by downloading our FREE GUIDE.

 LEARN MORE ABOUT OUR SINGLE-PLY RESTORATION SYSTEMS Offering DIRECT Adhesion to most Single-Ply Substrates - Eliminating Costly & Timely Installation Steps

Tags: Singleply Roof Coating Systems, no primers, direct adhesion