Menu

We may earn a small commission from purchases made through our trusted partner and affiliate links, at no extra cost to you. Learn more ›

LiquidRubber

LiquidRubber specializes in flexible waterproof sealants and coatings for DIY leak repairs on roofs, foundations, gutters, and more, providing durable protective membranes.

1 product Updated March 4, 2026

LiquidRubber Products (1)

1
Pros & Cons

Pros

  • Exceptional flexibility and adhesion to metal, concrete, and wood
  • Durable against water, UV, and movement without cracking
  • Easy DIY application without harsh solvents or odors
  • Versatile for flat roofs, vertical surfaces, and preventative maintenance
  • Professional-grade results for homeowners and contractors

Cons

  • Not suitable for walking surfaces as it remains tacky after curing
  • Requires multiple heavy coats for optimal thickness
  • Limited coverage on flat roofs (15 sq ft per gallon)

LiquidRubber Brand Guide

LiquidRubber stands out in the world of home improvement as a trusted provider of high-performance waterproof sealants. Known for their flexible, durable coatings, the brand excels in DIY solutions for leak repairs on flat roofs, metal surfaces, low-slope roofs, foundations, gutters, and beyond. Their flagship product, the Liquid Rubber Waterproof Sealant, offers a versatile protective membrane that adapts to various surfaces, making it a go-to choice for homeowners tackling tough weatherproofing challenges.

Brand Overview: Innovation in Waterproof Protection

LiquidRubber has built a reputation on delivering reliable sealers that form a seamless, rubber-like barrier against water infiltration. Unlike traditional rigid sealants that crack over time, LiquidRubber products remain flexible, expanding and contracting with temperature changes and structural movement. This makes them ideal for demanding applications where longevity is key. The brand focuses on user-friendly formulations that require minimal preparation, empowering DIYers to achieve professional-grade results without specialized tools or skills.

At the core of LiquidRubber's appeal is their commitment to versatility. A single gallon can cover extensive areas, bonding effectively to materials like metal, concrete, wood, and EPDM roofing. Whether sealing a leaky gutter or coating an entire flat roof, these sealants provide robust defense against rain, UV rays, and ponding water. Homeowners appreciate the ease of application—simply brush, roll, or spray—and the quick curing time that minimizes downtime.

What Sets LiquidRubber Apart from Competitors

Several factors distinguish LiquidRubber in the crowded sealants market. First, their products create a monolithic membrane that eliminates seams, reducing the risk of leaks at joints. This seamless design outperforms caulks or tapes that degrade quickly. Second, the formulations are eco-friendly, low-VOC, and resistant to chemicals like pond scum or fertilizers, ensuring safe use around plants and waterways.

  • Superior Flexibility: Stretches up to 800% without tearing, perfect for dynamic surfaces.
  • UV and Weather Resistance: Maintains integrity under extreme sun, rain, and freeze-thaw cycles.
  • Easy Application: No primer needed on most surfaces; applies in one coat for efficiency.
  • Long-Term Durability: Backed by real-world performance on commercial and residential projects.

Customer feedback highlights the brand's reliability, with users reporting years of leak-free protection after application. LiquidRubber's sealers are particularly praised in regions with harsh weather, from coastal humidity to northern snow belts.

Who Benefits Most from LiquidRubber Products

These sealants shine for DIY homeowners, property managers, and small contractors seeking cost-effective, long-lasting solutions. They're perfect for anyone dealing with flat or low-slope roofs where ponding water is common, or foundations prone to hydrostatic pressure. Renters maintaining gutters or RVers sealing travel trailer roofs also find value in the portable, gallon-sized options.

In the broader sealants category, LiquidRubber fits seamlessly alongside adhesives for hardware and home improvement projects. For instance, when restoring older homes, their coatings pair well with other sealers for comprehensive waterproofing. Explore related options in our Sealants collection to compare and find complementary products.

Key Product Categories and Applications

LiquidRubber primarily operates in the sealers segment, offering specialized coatings for targeted repairs. Their waterproof sealants excel in:

  • Roofing: Flat, metal, and low-slope surfaces to prevent interior leaks.
  • Foundations: Sealing cracks and walls against groundwater.
  • Gutters and Downspouts: Stopping rust and overflow damage.
  • Other Uses: RV roofs, ponds, bird baths, and even planters.

Available in black for UV protection, these products integrate into any sealants toolkit. For best results, clean surfaces thoroughly and apply in temperatures above 40°F. Multiple coats enhance thickness for high-exposure areas.

Frequently Asked Questions

What surfaces can LiquidRubber Waterproof Sealant be used on?

It adheres to a wide range including metal, concrete, wood, EPDM, TPO, and asphalt. Always test a small area first for compatibility.

Is LiquidRubber suitable for potable water applications?

Yes, once fully cured, it's safe for ponds, bird baths, and non-potable water features, but consult specs for drinking water uses.

How long does it take to cure?

Dries to touch in 2-6 hours, with full cure in 24-48 hours depending on humidity and temperature. Avoid rain for 24 hours post-application.

Can it be painted over?

Yes, use acrylic or oil-based paints compatible with rubber after full cure for added aesthetics or protection.

What's the coverage rate for a gallon?

Typically 50-100 sq ft per gallon per coat, varying by surface porosity and application method.