Does this dry to the touch or remain tacky?

I put it one very thin so it is dry to the touch. I put it on the back of my boat carpet, worked very well but we'll see for how long after the summer.

my roof has a small water leak can i use this to patch her up ?

I would only use it as a temporary fix. Assuming you know exactly where the leak is located on the outside. Water can travel a long way before it drips down. Fifty plus years of owning houses had taught me this.

What is the lowest outdoor temperature this product can be applied to Asphalt shingles?

I wouldn't try it below 65 degrees F or maybe 60 F is the shingles have been in full sun for at least an hour beforehand.

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Leak Stopper Rubber Flexx Leak Repair & Sealant Spray 18 Oz | Just Point & Spray for Making basic repairs on wood, asphalt roofing, metal and masonry surfaces | 100% Flexible Seal | Black | - 0316-GA

Product ID: 322654027

Details

Brand
Leak Stopper
Item dimensions L x W x H
6.6 x 6.6 x
Item weight
454 g
Material
18 Ounce (Pack
Style
Black

🎯Instant spray-on application, no mess

💧100% flexible, watertight seal

🔥Withstands extreme temps - no cracking or peeling

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MX$1879

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💪 Seal it. Spray it. Forget leaks forever.

CORROSION UV RESISTANT - Protects surfaces from moisture damage and sun exposure, extending the life of your repairs.
WEATHERPROOF FLEXIBILITY - Remains pliable through scorching summers and freezing winters—no sagging, cracking, or peeling.
EFFORTLESS SPRAY ON REPAIR - Just point & spray for fast, mess-free sealing that stops leaks in their tracks.
SEAL LEAKS ANYWHERE ANYTIME - Penetrates cracks & holes for a durable, rubberized waterproof barrier on wood, metal, asphalt, masonry, and more.
PAINTABLE FINISH FOR SEAMLESS BLENDING - Dries to a smooth, semi-firm surface ready for latex or alkyd paint topcoats—perfect for professional-grade repairs.

Leak Stopper Rubber Flexx is an 18 oz black spray sealant designed for quick, flexible, and waterproof repairs on wood, metal, asphalt roofing, and masonry. It forms a durable rubberized coating that withstands extreme temperatures, resists UV damage, and can be painted over for a professional finish. Ideal for managers and DIY pros who demand fast, reliable fixes that last.

Specifications

ASIN	B00APL6TBI
Brand Name	Leak Stopper
Color	Black
Compatible Material	Rubber
Customer Reviews	4.2 4.2 out of 5 stars (1,917)
Global Trade Identification Number	00025056031600
Included Components	Roofing^wood-roofing-shakes
Item Dimensions	6.6 x 6.6 x 24.1 centimeters
Item Form	Liquid, Spray
Item Type Name	18OZ Rubb Flexx Sealant
Item Weight	1 Pounds
Manufacturer	Leak Stopper
Material Type	18 Ounce (Pack of 1)
Model	Leak Stopper
Number of Items	1
Part Number	Leak Stopper
Style Name	Black
Surface Recommendation	Roof
UPC	025056031600
Unit Count	18 Grams
Water Resistance Level	Waterproof

Reviews

P**N

This rubber based sealer works perfectly for sealing deck support rails to accept the deck planks.

12.02.2026

C**N

I had a tiny leak in aluminum pan roof that I couldn't find, this fixed it!

28.03.2026

J**E

this stuff is pretty good stuff it worked on PVC pipe and that's where I exactly where I needed it to go

16.01.2026

K**A

Easy to use, great value for the price.

6.01.2026

D**S

Work's geat

9.01.2026

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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