Invisible Waterproof Agent 1.32 Gal - Transparent Roof & Leak Sealant

In this review of the Invisible Waterproof Agent 1.32 Gal, the bottom line is simple: this transparent, water-based sealant is for homeowners and DIYers who need a flexible, long-lasting membrane to stop leaks on roofs, basements, gutters and small outdoor surfaces. It stands out because multiple overlapping coats form a permanent, insulating film that resists water, low temperatures and heat, making it a practical fix for active leaks where a clear, paintable finish is preferred.

Key Features

• Water-based formula: Dries to a clear film that insulates against air, water and moisture while avoiding strong solvent odors.
• Flexible protective membrane: Creates a long lasting, elastic barrier that moves with surfaces to help prevent re-opening of cracks and gaps.
• Multiple application methods: Can be brushed, rolled, poured or wiped on, making it adaptable for small repairs and larger surface coatings.
• Weather resistant: Performs in a range of temperatures and resists rain once cured, useful for roof and outdoor repairs.
• Good coverage recommendation: Each 5 kg covers roughly 70 sq. ft when applied in 3-4 layers, which helps plan material needs for moderate projects.
• Surface repair capability: Adheres to concrete, metal, wood, PVC and other substrates to seal holes, cracks and joints.

Who It's For

This product is aimed at homeowners, small contractors and DIY enthusiasts who need a transparent waterproofing solution for localized leaks, flat or gritty roofs, basements, balconies, gutters and outdoor fixtures. Those who value a water-based, flexible coating that can be applied with simple tools will find it convenient and economical for patch and seal work.

It is less appropriate for users needing an instant cure in very cold or wet conditions, or for large commercial projects where specialized commercial coatings and application equipment are required. For porous large-scale surfaces a professional-grade membrane system may be a better fit.

Pros & Cons

Pros

• Effective waterproofing on tested areas like basements and flat roofs with good sealability.
• Easy to apply by brush, roller or pour, and self-leveling for small cracks and gaps.
• Creates a flexible, long lasting membrane that resists water and temperature changes.

Cons

• Requires multiple coats and warm, dry conditions to cure well; cold or wet weather will slow curing.
• Some users report mixed impressions of long-term durability under extreme weather, so heavy-duty commercial use may need confirmation.

Specifications

Our Verdict

The Invisible Waterproof Agent 1.32 Gal is a practical, water-based solution for homeowners and DIY repairers who need a clear, flexible sealant to stop leaks and protect surfaces. When applied in recommended multiple coats under dry, warm conditions it forms a reliable protective membrane and represents good value for routine roof, gutter and basement repairs.

Frequently Asked Questions

How many coats are needed?
Apply 3-4 overlapping layers for a durable film; coverage estimates are based on that thickness.

Can it be used in cold or wet weather?
It will cure much more slowly in cold or wet conditions; best results occur at 10 C / 50 F or higher and in relatively dry weather.

What surfaces will it stick to?
It adheres to concrete, metal, wood, PVC, bricks and similar substrates and can repair holes, cracks and joints when applied correctly.