I have a crack in my concrete pond. If I coat the pond with this product will it hurt fish? Do you recommend for ponds?

I used it in my pond and the fish are still going strong. Great product You may want to fix the crack as best as you can prior to coating with Rubberseal. Maybe try UGL water plug in the crack.

I am looking for a product to seal my 5K gallon concrete water tank, will this stick to old concrete? Will it leach out into the water/

Yes I will seal it. No water will get out. The tank will need to be cleaned (best way pressure wash it if possible) and dry. Minimum 40 mils and let it cure out for 72 hours

Will this be flexible enough to work with a folding kayak?

It has 1500% elongation. That means it will expand 15 times the thickness you put down before it breaks. It will recover 90 to 95%. I am not sure of your application exactly, but if you want to send some pictures we could guide you on the application.

What is the coverage area per gallon

It depends on the thickness. See spread rate chart on product info. Below 40 mils is damp proofing. Above 40 mils is waterproofing. All our testing is bases on 80 mils. Each coat is around 20 mils.

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Rubberseal Liquid Rubber Waterproofing and Protective Coating - Roll On (32 oz)

Rubberseal Liquid Rubber Waterproofing and Protective Coating - Roll On (32 oz)

Product ID: 30891358

Details

Brand
Rubberseal
Item Weight
2.2 Pounds
Item dimensions L x W x H
5 x 5 x 5
Material
Rubber
Style
Industrial

🌞UV resistant for long-lasting protection

💧1500% elongation for ultimate flexibility

♻️Non-toxic & eco-friendly, zero VOCs

€ 96.53

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Seal the deal with the ultimate waterproofing power!

SUNPROOF SHIELD - Advanced UV resistance ensures your coating won’t crack or fade over time.
VERSATILE ARMOR - Perfect for foundations, gutters, ponds, roofing, and more—one product, endless uses.
ECO SMART PROTECTION - Non-toxic, odorless, and free from harmful VOCs—safe for you and the planet.
STRETCH BEYOND LIMITS - Self-healing formula with 1500% elongation keeps surfaces flawless under stress.
EFFORTLESS APPLICATION - Roll-on liquid rubber makes waterproofing quick, clean, and professional-grade.

Rubberseal Liquid Rubber Waterproofing and Protective Coating (32 oz) is a premium, eco-friendly liquid rubber solution designed for versatile waterproofing and protection. Featuring 1500% elongation and UV resistance, it self-heals and withstands aging, making it ideal for foundations, gutters, ponds, and roofing. Non-toxic and odorless, it offers a safe, durable, and easy-to-apply roll-on coating that keeps your surfaces protected and looking pristine.

Specifications

ASIN	B01FGES57Y
Best Sellers Rank	#329,943 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #411 in Industrial Coatings
Brand	Rubberseal
Brand Name	Rubberseal
Color	Black
Compatible Material	Rubber
Customer Reviews	4.0 out of 5 stars 184 Reviews
Item Dimensions	5 x 5 x 5 inches
Item Form	Liquid
Item Weight	2.2 pounds
Item dimensions L x W x H	5 x 5 x 5 inches
Manufacturer	Rubberseal
Material	Rubber
Material Type	Rubber
Model	FR-07
Number of Items	1
Number of Packs	1
Part Number	FBA_FR-07
Style	Industrial
Style Name	Industrial
Surface Recommendation	Gutter
UPC	852920005111
Unit Count	32 Fluid Ounces
Water Resistance Level	Waterproof

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