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Record Breaking Strongest Adhesive & Sealant

Adiseal adhesive & sealant destroyed the competition in an independent test. It was over 3 times stronger than the nearest competitor. Even the SCREWS STARTED RIPPING OUT in the test.

Waterproof Sealant

(Last Updated On: 29 June 2022)

Waterproof Sealant

Adiseal is a great waterproof sealant and adhesive. It works in the dry, damp, wet, even underwater, indoor and outdoor. Adiseal can seal leaks instantly even with water pouring out of the gap. It is available as a clear waterproof sealant as well as other colours. Adiseal can be used for internal applications as well as an external waterproof sealant on wood, plastic, metal plus many other materials.


Instant sealing demonstration

To show how good Adiseal is, we carried out a demonstration. For the demonstration we first cut a 10mm by 250mm hole into a large plastic tub. It was then filled with water. With the water pouring out through the hole, Adiseal was applied underwater, sealing the leak instantly.

Waterproof sealant underwater sealing leak demonstration.
Waterproof sealant demonstration., sealing leak underwater.


Internal and external weatherproof sealant

Adiseal can be used indoors as well as an external weatherproof sealant. It is UV resistant, stays flexible and has a wide temperature resistance. This gives it great weather resistance and makes it suitable for use outdoors as well.


Video of sealant sealing underwater.

A good weatherproof sealant needs to be able to cure even underwater, resist mould growth as well as stay stuck to the material surface when in contact with water. Adiseal does all of these plus much more. This makes it a great outdoor sealant for use on a roof or gutter.


Best mould resistant sealant test

To find out what is the best waterproof sealant, we carried out several tests including a mould resistance test. The test was carried out by applying different products inside new plastic cups. The cups were then filled half way with tap water. Each cup was then covered and kept in the same conditions, to be fair to all the products being tested. The best product was Adiseal. It had the strongest mould resistance from the products tested. The image below shows the test results between Adiseal and a competitor product claiming to be number 1.

Mould resistant waterproof sealant test vs popular competitor. Adiseal has stayed mould free longest whereas *** sealant and adhesive has become mouldy.
Strongest mould resistance test results.

 

Mould resistance test result

As can be seen in the image above, Adiseal has stayed mould free, even after 90 days of being submerged in the same water. Both the water and sealant have remained mould free whereas the competitor product has not.


 

Clear waterproof sealant

Adiseal Ultra Clear sealant & adhesive is also a very clear waterproof sealant. Other sealants might say clear on the tube but when applied, they are instead cloudy or have a coloured tint. Cheaper silicone sealants tend to be very cloudy, almost white in colour when applied.

 

Adiseal Ultra Clear has strongest colour retention in water

Clear waterproof sealant in water comparison. Adiseal Ultra Clear waterproof sealant has stayed clear whereas *** clear sealant and adhesive has turned white.
Colour retention of sealant. Test in water.

Adiseal also has the strongest colour retention when underwater. As the image shows, the competitors clear product has turned white whereas Adiseal has stayed clear.


 

Colour test of clear waterproof sealant

To carry out the colour test of clear waterproof sealants in water, the products from the different manufacturers were first applied inside new clean plastic cups. They were then filled half way with tap water & covered.

Clear waterproof sealant test in water. Adiseal Ultra Clear waterproof sealant has stayed clearest.
Waterproof sealant clear test results in water.

 

Adiseal top in colour retention test

From the test, Adiseal was the only product to stay clear above and underwater. Competitor waterproof clear sealants turned white below the water line. A competitor product claiming to be No.1 product was the worst performer. It turned white both above and below the water line. The competitors old formula clear product actually performed better than their new version.


Other Benefits of Adiseal Waterproof Adhesive & Sealant

The standard adhesive drying time for Adiseal is 24 – 48 hours to fully cure. Curing times can increase in colder temperatures.



How to use waterproof sealant

Details of how to use a waterproof sealant.

  1. Pick suitable sealant

    Adiseal will be able to seal in the dry, damp, wet and even underwater.

  2. Clean surface

    To get a good long lasting seal, making sure the surface is clean is vital before applying the sealant. If there is any grease, dirt or mould, clean that first before applying the product. Adisolve is ideal at removing dirt, grease, old sealant and other stubborn deposits.

  3. Apply sealant

    With Adiseal, simply apply it to the area that requires sealing. Make sure any gaps are filled and covered. When applying the adhesive, instead of starting at the far end and coming closer, if you start closest to you and push away, this will push the sealant into the gap. This will fill the gap more thoroughly and provide a better seal.

  4. Seals instantly

    Although Adiseal can take 24 to 48 hours to fully cure, it should be able to seal straight away. Other products require curing before they are able to seal. As Adiseal seals instantly, it can be tested immediately to see if it has created a proper seal.

  5. Remove excess

    Remove any excess sealant to get a good clean finish. This can be done whilst the sealant has not cured yet. If the sealant has already cured then cut the excess off with a sharp knife.


Waterproof sealant for wood

To show the performance of Adiseal as a waterproof sealant on wood, we carried out a demonstration. In the demonstration we applied the waterproof sealant on wood and brick. It was done in both dry and wet conditions. As can be seen in the images below, the product sticks to dry and wet surfaces.

Applying waterproof sealant on wood & wet brick.
Applying waterproof sealant on wood and wet brick.
Grab demonstration of waterproof sealant on wood & brick.
Instant grab demonstration of sealant on wet surfaces.


Waterproof sealant for plastic

Adiseal is also a waterproof sealant for plastic. It will be able to seal most plastic materials including PVC. Adiseal adhesives and sealants are not suitable for use on plastics like polypropylene and polyethylene.


Waterproof sealant for metal

As well as Adiseal working on wood and plastic, it will also work on metal. To get a good seal requires the metal to be clean first. If there is any oil, grease or rust, this will require removing before applying the sealant.

Where to buy?

In the UK, Adiseal products can be purchased from Adiseal stockists. For other countries, they can be purchased from online sellers like www.guglue.com who can ship worldwide.

We are looking for exclusive distributors for other countries. Please contact us for more details.


What can you use waterproof sealant on

Adiseal is a multipurpose product that can outperform dedicated products. It has many different adhesive & sealant uses. Some examples include using it as a waterproof sealant for roof, tiles, plastic, metal, doors, felt & many other items. It can also seal leaking gutters even in the rain.



Paint on waterproof sealant

It is possible to use paint on waterproof sealant if that product is Adiseal. Most paints are suitable but it is recommended to test the paint first in a small area, if the paint is oil or solvent based. To test the paint, apply the sealant on a disposable item, wait for it to cure then apply the paint. If possible, wait to see if the paint peels off or not.

Adiseal is available in the following colours:

Adiseal can be manufactured in any RAL colour.


Frequently asked questions about waterproof sealant

What is the best external waterproof sealant?

Adiseal is the best external waterproof sealant. It seals instantly even underwater. It has high mould resistance. The clear waterproof sealant stays clearest when it was submerged in water for a long time. It is a sealant that also works in the rain.

Can you paint over waterproof sealant?

It is possible to paint over waterproof sealant if the sealant is Adiseal. Most paints are suitable to use. If the paint is oil or solvent based, it is recommended to test first.

What sealant works in the rain?

Adiseal weatherproof sealant works in the rain as well as in the dry and even underwater. It seals instantly, like leaking gutters even if there is rain outside. It provides a long lasting and flexible seal.

What sealants are waterproof?

Adiseal is a waterproof sealant that seals in the dry, damp, wet and even underwater. Most sealant require a dry surface for it to be able to work properly. This is not a problem for Adiseal.

Can any waterproof sealant be used as an electrical waterproof gel?

No. Standard sealant is not suitable for use as electrical waterproof gel. Electrical insulation gel is designed to withstand high voltage. It is also designed not to to set hard so that it remains re-enterable, in case the electrical connections need access to.