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Adiseal Strong Waterproof Construction Adhesive & Sealant is a 290ml ultra-clear gel designed for heavy-duty bonding and sealing. It works instantly in all conditions—including underwater—offering flexible, gap-filling adhesion that resists UV damage, shrinkage, and cracking. Suitable for indoor and outdoor use on a wide range of materials, it’s solvent-free, paintable, and safe for food prep areas, making it the go-to sealant for professionals who demand reliability and invisibility.
| ASIN | B095CCCKGS |
| Best Sellers Rank | #365,894 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #554 in Silicone Adhesives |
| Brand Name | Adiseal |
| Color | Clear |
| Customer Reviews | 4.3 4.3 out of 5 stars (287) |
| Full Cure Time | 48 Hours |
| Item Form | Gel |
| Item Weight | 0.4 Kilograms |
| Liquid Volume | 290 Milliliters |
| Manufacturer | Adiseal Ltd |
| Material Type | Rubber |
| Surface Recommendation | Tile |
| Unit Count | 9.81 Fluid Ounces |
| Water Resistance Level | Waterproof |
T**M
Great adhesion
I used this to stick six mill smooth plastic vapor barrier to the vertical poured concrete foundation wall in my crawlspace. I had the vapor barrier horizontally across the bare ground, then lapped it up vertically about a foot onto the foundation wall, and held the plastic to the concrete foundation with a bead of adiseal. I really didn’t expect it to grab the smooth plastic very well, I thought it would be more like pure silicone and just giving it a little tug would cause it to peel off like a Post-it note. But I was surprised at how well the plastic stuck to the concrete I didn’t try to pull it as hard as I could, because I didn’t want to ruin my work, but I gave it a good tug and it didn’t come loose. It’s good enough to hold undisturbed plastic to my foundation wall in my crawlspace
C**N
Worked excellent for sealing a return fitting leak underwater in a fiberglass pool
This product was well worth the cost it sealed up a leak I had around a pool return fitting in a fiberglass pool where the gasket behind the through wall fitting had failed and was causing water to leak out of the pool. It seems to be holding so far and I would highly recommend it as you can use it on it fitting that submerged in water.
P**B
Super hold and clear
I used this to anchor a 1/4 inch tube from an irrigation system in-between a sidewalk crack, then topped it with Gorilla Waterproof Patch & Seal Tape. After 2 months there has been no movement of tape or tube! Even with extreme water and temperatures. Would highly recommend.
J**Y
Stuck where others failed
Item exceeded my expectations for adhering a cast plate to a polished granite headstone. A bit pricey but worth every penny!
S**M
Strongest adhesive made IMO
This product was as described. I think it would hold up the George Washington bridge at 5:00. Super fast super strong.
E**D
AS Advertised
I ask for the best adhesive on the market to fasten metal to plastic and Boy this is the one. I will order again.
M**Y
Didn’t work
Did not work on my application
A**R
Did not bond well with cement garage floor.
Did not want to drill into garage floor so I got the Adseal recommended for bonding to cement, it did not bond well with the garage floor.
S**E
Utilisé pour un joint suintant : nickel, plus de fuite. Utilisé aussi pour différents collages avec des matériaux divers : toujours aussi efficace
L**A
Lo compré por recomendación de otras personas expertas en blindaje para rayos x, nisiquiera conocidos míos, sino de videos que encontré en la red y el mismo fabricante del producto lo menciona como ideal para colocar y sellar laminas de plomo, pues bueno, no quise emitir una opinión hasta probarlo y solo diré después de como actúa, que vale completamente lo que cuesta, super manejable, pega casi inmediatamente y se afianza a las superficies con mucha fuerza, sin contar que te da oportunidad de poder corregir algún error de colocación, tuvimos que girar un poco una de las láminas y lo safamos y movimos sin problema, solo adicionamos un poco de pegamento extra y todo arreglado, lo que verán en la foto que comparto son láminas de casi 70 kilos sosteniendose por si solas con solo 1 a 2 minutos de sostenerlas contra el muro para su fijación. Estoy gratamente sorprendido con el producto, lo recomiendo y sin duda lo volvería a usar para cosas similares Lo que ven en el vídeo demostrativo del producto es real y lo avalo
T**H
The product worked as per the instructions.
S**R
Really good adhesive. One of the best. I used this to stick wood to concrete. Super strong bond. Easy to use. Waterproof. More expensive than other adhesives but this is a quality product.
D**N
Secures to pretty much any surface permanently
Trustpilot
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