GorillaPatch & Seal Liquid Rubber Waterproof Sealant, Crystal Clear, 32 Ounce (Pack of 1) - Seals Out Water, Air, and Moisture

Used this on my two sun windows on top of my sunroom. A huge leak appears around one of the windows after 19 years so I taped off around inside the window about a 1/4 inch in and applied the rubber sealer with paint brush on that 1/4 inch to the sunroom window frame and the leak stopped. A week later we had a 1 1/2 very hard rain and inside sunroom stayed dry. It painted on easily, had the lid off for 1/2 hour while using it and no dry ups in or around the can. It stuck to window and metal sunroom easily. It is thick enough to not cause run off as my sun room roof does tilt down. Great product.

This is the Best Product Ever!! If you have a Leak, this is the Product you need!! We used this on our roof and it hasn’t leaked any !!!

This did work for the most part. Couple things: being "clear" can be difficult to know how good your application is if you are in low light. (make the product dry to clear) My product sealed mostly but in some areas didn't bond as well (mix longer?) Little rubber flakes are noted. No odor noted. Flex seal has a bad odor from the chemical process but it bonded and sealed better. Both products were used for wood cabinet floor or shelves.

Had a small leak at the edge of my roof.. Didn't want to use the thick black tar sealant Because it's the front of my house and I didn't want it that visible..Tried the Crystal Clear Gorilla Sealant and it was absolutely perfect.It was thin enough that after leaving unopened in the sun for the afternoon it poured easily out if the can - so all I had to do was spread it with a wide paint brush.. I repeated this over 2 days till the can was empty.It hardened after about 30 hrs & not 1 drop of water had gotten through it..It is somewhat visible from the road, but it just looks like a damp spot on that edge of the roof.Couldn't be happier..👍

This is an excellent product. I used it to repair the bottom in my lawn bag. Better than new. I will buy it again when I need a product like this and I would recommend it.

Can arrived all dented on all sides like it was used or as if it was returned many times. Paint itself is good.

We have tiles around our swimming pool with grout. After the blistering Texas heat some grout has fine cracks. We thought it would be a good idea to seal it up before the torrential rain.Few tips:1. Use a paint brush that you are willing to throw away, you cannot wash and reuse the paint brush.2. You must finish your entire project in one go. The sealant thickens and dries.3. Also, the lid may not close all the way back again, as the sealant thickens.4. If you must stop half way, or for lunch etc, place it in a plastic bag and get as much air out such that you slow the drying time.5. Oddly, does dry slowly on the grout itself. If it’s an outdoor project, and rain in the forecast the next day, then wait until you have 2 rain free days.6. Wear disposable gloves. People - don’t ignore this tip. I almost stuck my fingers together, but Thankfully I was quick enough to scrape it off. Washing with water didn’t help at all, remember it is water proof.7. Bugs may stick. Kinda gross, but next morning i stepped out to marvel at all hard work, only to notice a hundred beetles, critters, dragonflies, etc stuck. Spent a couple of hours removing them. It’s Texas y’all!8. Dries clear. Yay!9. Has a mild shine during daylight. I don’t mind that though, but if you find matte tiles and a mild shine in the grout not your vibe - then just know.10. Toss all remaining/leftover solution. Really don’t want to risk sticking to random things in the garage.

Took a couple coats but for sure stopped my leak. Strong stuff.