NSF Approved Roof Coatings - Rainwater Catchment Systems

EnergyGuard Silicone Roof Coating and EnergyMax Silicone Roof Coating are both NSF Approved Roof Coating Products for Protocol 151 - Health Effects from Rainwater Catchment System Components.

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NSF Roof Coating

Collect Rainwater. Grow Tomatoes, Not Water Bills

Rooftop rainwater collection systems are designed to capture rainwater and transported through gutters and other pipes into cisterns or tanks, where it is stored until needed. The water collected can be used for irrigation, laundry, hygiene, or even potable water, depending upon the materials used and the treatment undertaken by the building owner.

NSF Certification

NSF Roof Coating Products

NSF Protocol P151 and Standard 61 certification provides assurance to both public health officials and consumers that the system components are safe for use in rainwater collection systems and for potable water applications respectively.If potable water is needed, take care in selecting materials and elastomeric roof coatings which will come into contact with the water as it is collected, since some impurities can be picked up by the rainwater as it travels through the collection system.

  1. Colors: White
  2. Number of Coats: 1-3
  3. Maximum Field Use Dry Film Thickness (in mils): 16 WFT per coat; 46 DFT total for 3 coats.
  4. Maximum Thinner: None
  5. Recoat Cure Time and Temperature: 2 hours @ 100°F
  6. Final Cure Time and Temperature: 2 hours @ 100°F
  7. Special Comments: One component coating
  8. Certified only for white roof coating.


EnergyGuard Silicone Coating in Pails
EnergyGuard Silicone Roof Coating

Solvent-based, silicone roof coating with 267% elongation and 69% solids. Stands up to permanent ponding water conditions.

EnergyMax Silicone Roof Coating
EnergyMax Silicone Roof Coating

Solvent-based, silicone roof coating with 190% elongation and 97% solids. Stands up to long-term ponding water conditions. California VOC Compliant.

Elastomeric coatings are usually applied 20 to 30 mils thick. This is why a contractor's quote should specify an application rate and not just say "2 coats".

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Bio Pro Research
Bio Pro Research

Newton, NC

Badly deteriorated EPDM roof was leaking everywhere. They were able to fix all the leaks with just one coat of EnergyGuard Aromatic Polyurethane.

Andersen AFB 19020

This newly constructed 18,800sf building at the Andersen AFB in Guam has a concrete roof primed with PrimeLock Epoxy Primer and coated with 45 dry mils of EnergyMax Silicone Coating to keep it cool and leak-free.

March Air Reserve Base
March Air Reserve Base

March ARB, CA

A seamless, watertight Lexis silicone coating system on the modified bitumen roof of March Air Reserve Base in California fixed all roof leaks.

Base Exchange
Base Exchange

Andersen AFB, GU

Structural cracks on this concrete roof required a custom, lab-tested solution. Lexis Silicone Coatings not only delivered. We exceeded.

CT Walker School
CT Walker School

Augusta, GA

Seamlessly Beautiful. CT Walker was looking for a high build roof coating with the same brick red color as the rest of the school.


Atlanta, GA

Air conditioning can account for 30% of the operating costs of a business. Roof Coatings reflect up to 90% of the sun's heat.