Liquid Waterproof Sealant 70 Oz Invisible Waterproof Agent - Clear

In this review of the Liquid Waterproof Sealant 70 Oz invisible waterproof agent, the bottom line is practical: this clear coating is best for homeowners or DIYers who need a straightforward, transparent solution to seal cracks and stop leaks on both interior and exterior surfaces. The reviewer found it especially useful where maintaining the original surface appearance matters because the formula dries clear and does not alter texture or color. It performs well when applied by brush, roller or poured into seams, and it delivers reliable sealing where ordinary caulk would be visible or unsuitable.

Key Features

• Strong Adhesion: The sealant penetrates cracks and seams to bond tightly to surfaces for lasting water repellent protection.
• Invisible Finish: Dries to a clear film so it does not change the look or feel of uncoated concrete, tile, walls, or roofs.
• Versatile Application: Can be applied with a brush, roller, dip, or pour to cover and penetrate small gaps and uneven areas smoothly.
• Good Coverage: A 70 oz container covers roughly 28 sq ft per coat, allowing multiple layers for improved durability.
• Interior and Exterior Use: Suitable for vertical and horizontal surfaces both indoors and outdoors, including showers and roof seams.

Who It's For

This product suits homeowners, rental property managers, and contractors needing a transparent sealer for visible surfaces where appearance matters, such as tiled showers, exposed concrete, or rooftop patches. It is also handy for quick repairs where a flexible, penetrating coating is preferable to bulky patching compounds.

Those who need a structural repair for large gaps, or who must work in temperatures regularly below 10C/50F, should look elsewhere or plan for longer cure times, since low temperatures slow curing. Also, if a colored or painted finish is required, this clear sealant will not replace a topcoat.

Pros & Cons

Pros

• Dries clear and maintains the original surface texture and color for discreet repairs.
• Reported by customers to dry quickly without sticky residue and to hold up in rain and weather.
• Easy to apply with common tools and able to penetrate small cracks to form a waterproof layer.
• Flexible coverage allows 2-3 layers for improved sealing and longevity.

Cons

• Curing time increases at low temperatures, so it is best used above 10C/50F.
• Not intended for large structural repairs; best for sealing and surface leak prevention.

Specifications

Product type	Invisible liquid waterproof sealant
Net weight	70 oz (2 kg)
Coverage	Approximately 28 sq ft (2.6 sq m) per 70 oz container
Finish	Clear / transparent
Application methods	Brush, roller, dip, or pour
Suitable surfaces	Uncoated/unpainted concrete, tile, wall, roof; interior & exterior
Recommended temperature	Use above 10C / 50F for normal curing

Our Verdict

The Liquid Waterproof Sealant 70 Oz is a practical, value-minded choice for anyone who needs a clear, durable seal on cracks and leaks without altering surface appearance. It is particularly good for showers, roofs, and exposed surfaces where transparency matters, and its ease of application and reliable adhesion make it worth trying for routine waterproofing tasks.

Frequently Asked Questions

Can this be used on both indoor and outdoor surfaces?
Yes, it is designed for vertical and horizontal interior and exterior surfaces like tile, concrete, walls, and roofs.

How much area does one container cover?
A 70 oz container covers roughly 28 sq ft, and 2-3 layers can be applied for better protection.

Will it change the look of my surface?
No, it dries clear and does not noticeably change surface texture or color when used on uncoated surfaces.