PMMA Roof Coatings

Paracoat HS Roof Coating

High-performance, multi-component, fast-curing, and flexible PMMA roof coating resin designed for use over Siplast SBS-modified bitumen roof systems and other approved roof membrane systems. Designed to enhance ratings for exterior fire exposure. Available in white.
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Paracoat Roof Coating

High performance, multi-component, fast curing, and flexible PMMA roof coating resin designed for use over Siplast SBS-modified bitumen roof systems. Available in white, gray, and sand color options.

About Paracoat Roof Coating

Paracoat Roof Coating and Paracoat HS Roof Coating are multi-component, fast-curing, flexible PMMA roof coatings designed for use over Siplast granule-surfaced SBS-modified bitumen roof systems. Paradiene 20/30 FR Roof Systems coated with Paracoat HS are listed by Underwriters Laboratories as Class A assemblies at unlimited slope subject to the limitations outlined in the UL Online Certifications Directory.

Conditions at Time of Application:

  • Ambient Temperature: 32°F - 95°F (0°C - 35°C)
  • Substrate Temperature: 32°F - 104°F (0°C - 40°C)
  • Back Surfacing for Paracoat HS Roof Coating: Silica Parting Agent

 

Typical Set/Cure Time at 68°F (20°C):

  • Resistant to Rainwater Wash Off: 30 minutes
  • Walkability: 2 hours

 

Pot Life (Resin at 68°F [20°C]):

  • Duration: 15 minutes

 

VOC Content:

  • Measurement: <50 g/L (catalyzed)
  • Testing Methodology: EPA test method 24

Roof coating application video series

Watch these 7 videos for step-by-step instructions for Paracoat Roof Coating application.
Paracoat Application: Step 1. Catalyze Paracoat.

Paracoat Application: Step 1. Catalyze Paracoat.

In step one of Paracoat Roof Coating applications, learn how to catalyze resin. Find step two in our Video Library.

Paracoat Application: Step 2. Prime patched areas.

Paracoat Application: Step 2. Prime patched areas.

In step two of Paracoat Roof Coating applications, learn how to prepare patch areas. Find step three in our Video Library.

Paracoat Application: Step 3. Apply Paracoat to walls.

Paracoat Application: Step 3. Apply Paracoat to walls.

In step three of Paracoat Roof Coating applications, learn how to apply resin to walls. Find step four in our Video Library.

Paracoat Application: Step 4. Monitor substrate temperatures.

Paracoat Application: Step 4. Monitor substrate temperatures.

In step four of Paracoat Roof Coating applications, be sure to monitor substrate temperatures. Find step five in our Video Library.

Paracoat Application: Step 5. Grid application area.

Paracoat Application: Step 5. Grid application area.

In step five of Paracoat Roof Coating applications, mark off grid for catalyzed resin application. Find step six in our Video Library.

Paracoat Application: Step 6. Prepare in-place coatings by wiping with Pro Prep.

Paracoat Application: Step 6. Prepare in-place coatings by wiping with Pro Prep.

In step six of Paracoat Roof Coating applications, learn to clean surface using Pro Prep. Find step seven in our Video Library.

Paracoat Application: Step 7. Apply Paracoat Roof Coating.

Paracoat Application: Step 7. Apply Paracoat Roof Coating.

Finally, in step seven of Paracoat Roof Coating applications, learn how to apply Paracoat to marked off grid.

Additional resources