Silicone Roof Patch

A high-solid, non-shrinking, moisture-cure silicone mastic used to seal any cracks, splits, or weak areas prior to applying ALCM Silicone Roof Coating. Excellent for sealing seams and fasteners. Low VOC’s, solvent-free, and minimal odor.

ALCM Silicone Roof Patch can even be applied underwater.

Excellent adhesion to almost any common building material including:
  • Concrete
  • Masonry
  • Fiber Cement
  • Vinyl
  • EPDM
  • Aged Acrylic Coatings
  • Granular Cap Sheet
  • Wood
  • Metal
  • And more!