Liquid Rubber Waterproof Sealant – Indoor & Outdoor Coating – Easy to Apply – Water Based – Original Black, 1 Quart

  • PROTECTIVE FINISH FOR – Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, ponds, sheds, basements, metal, wood, concrete and more
  • HIGHLY FLEXIBLE & DURABLE – Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product
  • COVERAGE – Vertical Surfaces – 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces – 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane
  • ENVIRONMENTALLY FRIENDLY – Liquid Rubber Waterproof Sealant/Coating is water based, containing no solvents, VOC’s or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
  • FOR A BULLETPROOF SYSTEM – Bridge joints, seams, vents, gaps, protrusions…. With Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur



Size Name:1 Quart  |  Color:Original Black

Liquid Rubber Waterproof Sealant

A nature-friendly coating that cures into a waterproof membrane.

The perfect product for a roof restoration or planter box, Liquid Rubber Waterproof Sealant works by creating a watertight seal to keep moisture where you want it. With multiple uses, the possibilities are endless.

Make it a home project

Skip the hassle and cost of contractors and make it a DIY project. From big projects to small projects, accomplish it yourself with the easy application of Liquid Rubber Waterproof Sealant. Simply apply by using a brush or roller. It’s so easy, anyone can do it.