Professional Construction Products

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Outdoor Adhesive

Outdoor Adhesive: Waterproof, Strong, Exterior Construction Glue

To bond something outside, a good outdoor adhesive needs to resist strong weather conditions. Adiseal exterior adhesive for outside use provides a strong, flexible, waterproof, weatherproof and durable adhesive bond. Adiseal has also been shown to be the strongest adhesive for outdoor use in an independent adhesive strength test, providing the best bond for exterior adhesive bonding applications.

Strongest (outdoor) adhesive in independent adhesive strength test.

When sticking items outdoors, the adhesive will need to withstand harsh weather conditions like wind, UV, rain and cold temperatures. Adiseal outdoor weatherproof adhesive can withstand these harsh weather conditions and provide a strong durable bond.

Best Adhesive Strength Test

Ultimate Handyman tested the strongest adhesives by applying different products between wood and metal surfaces, subjecting each to pressure after curing. Adiseal emerged as the strongest adhesive, boasting strength three times greater than its closest competitor. Its remarkable resilience caused the test rig’s screws to tear out before the bond broke, forcing the test on it to be stopped early.

Best grab adhesive (for outside) proven by an independent test.

Test results

Adiseal demonstrated remarkable strength, enduring pressures exceeding 3123 psi in the bond strength test between hardwood and metal. Conversely, competing product bonds failed at pressures of 1115 psi or less. The graphic representation provided emphasizes Adiseal’s superior performance, cementing its status as the premier adhesive.

strongest adhesive strength test results chart

Best adhesive strength test by Ultimate Handyman

Best adhesive strength test results table

ProductMax pressure when adhesive bond broke (psi)
Adiseal3123 + psi
SupaBond1115 psi
Tec 71016 psi
HB42942 psi
Loctite PL Premium873 psi
Gorilla Grab Adhesive862 psi
Bond It PU18582 psi
Bond It Save Nails411 psi
Best adhesive strength test results.

“That is actually unbelievable!”

Ultimate Handyman


Testimonials & some comments on the: Grab adhesive tests 2017, video on YouTube

  • That Adiseal is phenomenal!
  • That Adiseal is some stuff though, definitely need to get some of that bought!
  • I instantly went looking for Adiseal!
  • Need to get my hands on some of that to try out.
  • Looks like a cracking product.
  • Having used the two most expensive brands on numerous occasions, I’ll be trying out the others, especially the Adiseal.
  • Adiseal certainly surprised me in this test!
  • Fantastic tests. It’s unbelievable that Adiseal test with the hardwood.


Adiseal will successfully stick the following items outside:

Sticking item to concrete block including plastic, metal, wood

Benefits of Adiseal

Other benefits of Adiseal include:

How to Use Outdoor Adhesive

How to use outdoor adhesive

  1. Surface preparation

    Making sure both surface that require bonding are thoroughly clean is vital to get a good quality strong adhesive bond. We recommend using a fine brush like a painting brush to remove fine dust.

  2. Apply outdoor adhesive

    Apply the outdoor adhesive to 1 surface. Covering as much surface area as possible provides a better bond but do not apply too much that excess adhesive squeezes out of the sides when the 2 items are pushed together.

  3. Joining items

    Join the 2 items together. If required, use temporary supports to hold items in place until the adhesive cures.

  4. Clean any excess

    If there is any excess adhesive squeezing out of the sides, remove it before it cures.

  5. Test bond strength

    Once the adhesive cures, remove any temporary supports and test the bond strength.


Adiseal outdoor adhesive is available in the following colours:

Where to Buy Outdoor Adhesive

In the UK to buy outdoor adhesive, please contact us for details of your local stockist. For other countries that do not have a distributor, please visit www.guglue.com

Frequently Asked Questions About Outdoor Adhesive

What is the strongest adhesive for outdoor use?

Adiseal has been shown to be the strongest adhesive for outdoor use in an independent adhesive strength test. Adiseal was shown to be over 3 times stronger than the next best product and was even too strong for the screws of the test rig which started to rip out forcing the test to be stopped early.

What is the best grab adhesive for outside?

In an independent grab adhesive test, Adiseal has been shown to be the best grab adhesive for outside. Adiseal was the strongest product, over 3 times stronger than the next best product and even too strong for the screws of the test rig.

Can adhesive be used outside?

For an adhesive to be suitable for outside use it needs to withstand harsh weather conditions like wind, rain, cold temperature and UV resistance. Adiseal can withstand all these outdoor weather conditions making it the ideal adhesive for outdoor use.

Can you use grab adhesive outside?

For a grab adhesive to be suitable for outside use, it needs to withstand harsh weather conditions. Adiseal grab adhesive is ideal for outdoor use as it can withstand wind, cold temperature, UV resistance and rain.

Suhail Matadar has extensive experience in the construction industry as an electrician, involved in installing, inspecting, and testing electrical systems in various projects. He excelled in sales, working for a major UK wholesaler, selling construction products to professionals and the DIY market. Suhail's background includes working at a leading home emergency repair company dealing with trades people. With a BEng (Hons) degree in Electronic Engineering, Suhail has worked with PLCs in the nuclear fuel manufacturing industry. During his studies, he gained practical experience at a chemical manufacturing company known for producing award-winning cleaning, hygiene, and livestock protection products for over a century. Currently, Suhail runs a global business specialising in supplying, researching, testing, and distributing chemical construction products like adhesives and sealants.