XR-2000 Primer

XR-2000 Primer

Why TOPCOAT® XR-2000 Primer?

TOPCOAT® XR-2000 is a white, water-based, 100% acrylic adhesion-promoting primer designed to enhance the adhesion of the TOPCOAT® Roofing System to pre-finished metal roofing. Due to the wide variety of pre-applied finishes, suitability of TOPCOAT® XR-2000 must be tested on an individual basis.1


  • Non-flammable, VOC compliant, and easy clean up
  • Good adhesion to factory-coated metal roofing
  • Has rust-inhibiting properties
  • Limited material warranty available for up to five years2


TOPCOAT® XR-2000 is designed to enhance the adhesion of the TOPCOAT® Roofing System to pre-finished metal roofing, including those containing fluoropolymers such as Kynar® or siliconized polyesters. Roof must have positive drainage. Surface must be free of ponding water, ice, snow, and debris prior to application. Do not apply at temperatures below 42°F. Substrate temperatures must be below 120°F when applying product.


  • Application:  Apply product with a roller or airless sprayer, covering the surface at an even rate. Apply at a rate of 0.75 gal/100 ft² (3.1 L/10 m2). Total gallons (liters) per square depends on roof surface and specifications.
  • Spray Application:  For spray application, use an airless spray pump with a minimum 1-gallon per minute (3.8 liter/min) output and a minimum 2,000 psi (13,790 kPa) pressure capability.
  • Use a reversible, self-cleaning tip with an orifice size of 0.027" to 0.039" (0.69 to 0.99 mm)

For application questions, please contact GAF at 1-800-766-3411.

Note: Repair leaks promptly to avoid adverse effects, including mold growth    

1See warranties for complete coverage and restrictions.
2See TOPCOAT® metal specifications for testing procedure.


Product Properties

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