100% Silicone Roof Coating — 5 Gallon

Liquid waterproof membrane for larger roof-restoration and commercial-coating projects.

Roof Lock Pro 100% Silicone Roof Coating — 5 Gallon
Liquid Waterproof Membrane

Silicone Roof Coating — 5 Gallon

A solvent-free, 100% silicone roof coating that cures at room temperature into a highly elastic membrane over a properly prepared substrate. Sized for full roof-surface coverage on commercial and low-slope roofing projects.

Package Size5 U.S. Gallons (18.9L)
Available ColorsGrey, White, Black (custom colors — confirm availability)
Application MethodBrush, roller, or airless sprayer
Application ThicknessEach layer at least 1 mm; wet film 1–2 mm per pass
Surface Dry Time20–50 minutes
Recoat WindowWithin 24 hrs (48 hrs in winter)
Full Cure~3 days (summer) / ~1 week (winter) before foot traffic
Coverage RatePending verified data

Compatible Substrates

  • Concrete
  • Metal roofing
  • Modified bitumen
  • Built-up roofing
  • Single-ply roofing
  • Previously coated roofs

Surface Preparation

  • Remove dust, dirt, oil, and loose debris
  • Repair cracks and potholes before coating
  • Substrate must be sound, clean, and dry

Storage

  • Shelf life: 12 months in original, unopened packaging
  • Store at 10°C–25°C, not to exceed 45°C
  • Keep container sealed in a dry, cool area

Limitations

  • Poor adhesion to rubber, polyethylene, polypropylene, EPDM, and fluorocarbon membranes — test adhesion first
  • Suitable construction temperature: 5–30°C
  • Not suitable for application on wet, frozen, or frosted surfaces

Frequently Asked Questions

How many coats are required?

Application requirements depend on substrate and project conditions — refer to the Product Data Sheet or contact us for guidance specific to your roof.

Can this go over an existing coating?

In many cases, yes, provided the existing surface is properly cleaned, sound, and compatible. Substrate compatibility must be confirmed before application.

Is a Safety Data Sheet available?

Yes — download it directly from the Technical Resources page.