What can I use to seal plastic to concrete?

adiseal.com - Best Adhesive on Concrete (2022) | Strongest in Test - Adiseal

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(Last Updated On: 27 October 2022)

With so many different adhesives available, what is the best adhesive for concrete. We’ll explain why Adiseal adhesive & sealant is the best adhesive for bonding different items including concrete to wood, metal, stone, plastic, tile, cable, polystyrene, masonry, glass as well as many other items to glue to concrete.

Which adhesive to use on concrete

There are many adhesives available that will bond to concrete but to achieve a strong long lasting bond the correct construction adhesive needs to be used. Adiseal is the record breaking strongest adhesive & sealant. It proved it’s the best in an independent adhesive strength test by Ultimate Handyman. Adiseal is waterproof so it is also suitable for use outside. It works in dry, wet & even underwater. As long as the surface is clean of any dust, grease, paint or any other dirt, priming of the concrete or the other material should not be required .

. It does not stain or bleed into stone or masonry.

into stone or masonry. Adiseal has very high gap fill properties. This is useful where there are gaps between the concrete and material. Has high initial grab meaning temporary supports may not be required while the construction adhesive cures. Adiseal Hi-Grab has even higher grab than the standard product, see below for details. In the independent adhesive strength test by Ultimate Handyman, Adiseal was over 3 times stronger than the nearest competitor. In fact, it was so strong that the screws holding the test rig down started to rip out forcing the test on Adiseal to be stopped. Watch this video on YouTube Video of strongest adhesive test by Ultimate Handyman.

Strongest adhesive test results.

Adiseal adhesive & sealant has high initial grab but for even more grab use the Adiseal Hi-Grab adhesive. The final bond strength of both construction adhesives is similar. Adiseal Hi-Grab is very useful when trying to bond heavy items to a vertical surface where the item is likely to slide down the surface without temporary supports to hold it until the adhesive has cured. With the Hi-Grab construction adhesive, the adhesive grabs straight away, eliminating the need for temporary supports even in more heavy applications. This can save time and labour costs. If temporary supports are used, these need to be removed once the adhesive has cured. Adiseal Hi-Grab also has even higher gap fill than the standard Adiseal adhesive & sealant. Due to Adiseal Hi-Grab adhesive having a thicker consistency, a lot higher force is required to push the item to the surface you are bonding it to. If there is no need for extra high initial grab or if temporary supports can be used, then it is recommended to use the standard Adiseal adhesive & sealant. This will allow the 2 surfaces to be pushed closer together resulting in a better bond.

Problems with epoxy adhesives

There are several problems with using epoxy adhesives on concrete. Listed below are the main problems of epoxy adhesives. Although epoxy adhesives might initially bond the item to a concrete surface, epoxy adhesives are not flexible meaning the bond will become weaker over time. Air temperature & moisture changes cause items to expand & contract putting extra forces on an adhesive. If the adhesive is not flexible it will become weak & brittle, then eventually break. Epoxy adhesives also come in 2 separate components which require mixing. To achieve optimum epoxy adhesive properties, the 2 components need to be the correct ratio therefore require careful measuring. They also need to be mixed thoroughly together. If these 2 are not done then the optimum properties of the epoxy may not be achieved. Epoxy adhesives have lower initial grab than Adiseal, meaning temporary supports will usually be required whilst the epoxy adhesive cures. This increases time & money with extra labour cost.

Problems with mastic adhesives

Just like epoxy, mastic adhesives also have many problems when being used as an adhesive on concrete. Listed below are the main problems of mastic adhesives. The main problem with mastic adhesive is that the bond is weak in the 1st place. A mastic adhesive might be suitable at sticking light items indoors but will fail at more heavy duty applications. Another problem with mastic adhesives are they are not waterproof. This means they are not suitable for use where there will be water like bathrooms, kitchens or outdoors.

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Just like epoxy, mastic adhesives are not flexible meaning the already weak bond will become weaker over time. The initial grab of the mastic adhesive is also low meaning temporary supports will be required, increasing time & labour cost. Contact adhesives may be suitable in sticking light sheets to a surface but won’t not suitable for more heavy duty applications. There are a number of problems with contact adhesives. Contact adhesives also has low gap fill meaning if there is a gap in certain places between the 2 surfaces of the items being bonded, the contact adhesive will not stretch between the 2 surfaces. This will create a much weaker bond as only in a few places where the surfaces are very close together will the adhesive successfully bond. As concrete is porous it will require sealing first so that it does not soak up any contact adhesive.

Problems with using glue on concrete

Glues are generally suitable at sticking small items to smooth surfaces but not for more heavy duty applications like gluing items to concrete. For more heavy duty applications, a construction adhesive like Adiseal will be required. Glues have lower gap fill, initial grab, bond strength, flexibility & other problems compared to Adiseal adhesive & sealant when trying to stick items to concrete. As concrete is porous it will require sealing first so that it does not soak up any liquid glue. This is not a problem for Adiseal adhesive & sealant.

How to attach wood to concrete

Adiseal will successfully attach both softwood & hardwood to concrete. It will create a strong & long lasting bond in both interior & exterior applications. How to attach wood to concrete Reduce gap To get a strong adhesive bond between wood and concrete, minimising the gap between the two surfaces will provide a better bond. This can involve cutting, filing or sanding the surface to get both surfaces even. Clean surface Prior to applying the adhesive, it is vital to have clean surfaces where the adhesive will be applied between the wood to concrete. Make sure both surfaces are free from any dust, grease, paint or any other dirt. Using a fine brush like a painting brush will help remove fine dust. Apply the adhesive When attaching wood to concrete with Adiseal, simply apply the adhesive between the wood to concrete and firmly push together. If there is potential of water in the area the item is being bonded to, Adiseal needs to be applied in thin vertical strips. This allows any water to run down between the strips instead of building up behind the item. In cold temperatures water will turn to ice which expands and pushes the surfaces apart. Temporary supports There should be no need for temporary supports to hold the wood to concrete but if the wood does start to slide, then temporary supports may be required until the adhesive has cured. Adiseal can take 24 to 48 hours to cure.

Concrete demonstration block with many items stuck to concrete with adhesive.

On our concrete demonstration block shown above, before applying the adhesive we have thoroughly brushed the concrete using a paint brush to make sure any dust is removed. We did not use any primer to seal our concrete demonstration block before applying Adiseal adhesive & sealant. Wood tends to soak up moisture in the air meaning it will expand. Using a flexible adhesive when sticking wood to concrete is very important. It is preferable acclimatise the wood before attaching the wood to concrete. One way to do this with wood flooring or wooden skirting is to open the packaging and leaving the wood in the room for a few days before installing.

How to bond metal to concrete

Adiseal will successfully bond all metals to concrete in interior & exterior applications. As described above, it is vital to have clean surfaces where the adhesive will be applied to. Some metals may have an oil applied to it to stop the metal from rusting. This oil needs to be removed before the adhesive can be applied to between metal to concrete. Adisolve is ideal at removing oil, grease, tar & many other stubborn deposits. To achieve a strong bond, lightly scratch the surface of the metal where the adhesive will be applied to. This will increase the surface area allowing for a stronger bond. Some methods include using sand paper or a file to scratch the surface. Clean the surface thoroughly after scratching the surface to remove any loose metal.

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Once the surfaces are clean, simply apply the adhesive between metal to concrete and firmly push together. Temporary supports may be required if the items slide down. Adiseal Hi-Grab adhesive has even higher initial grab and may eliminate the need for temporary supports.

How to bond plastic to concrete

Adiseal is suitable at bonding most types of plastics to concrete. As with the metal and wood, clean the plastic thoroughly to make sure any dust, oil, grease, paint or any other dirt is removed before applying the adhesive. Scratching the surface of the plastic will increase the surface area increasing the strength of the bond between plastic & concrete.

After applying the adhesive, firmly press the plastic onto the concrete.

How to bond stone, brick, tile or masonry to concrete

Adiseal is suitable at bonding stone, brick, tile or masonry to concrete in interior & exterior applications. Brush off any dust thoroughly prior to applying the adhesive. Brushing the stone or concrete with a fine brush like a painting brush will help remove fine dust. With Adiseal, priming of the stone, brick or masonry is usually not required as long as the surfaces are thoroughly clean. A common problem when using other adhesives or glue for stone is they tend to bleed into the stone, as stone is a porous material. Instead of using these other adhesives or glue for stone, using Adiseal will avoid this problem bleeding into the stone. To use Adiseal to bond stone, brick or masonry to concrete, make sure both surfaces are thoroughly clean especially of any loose bits & dust. Apply the product to 1 surface and firmly push the item onto the concrete. Temporary supports may be required if the items starts to slide down.

Glue for concrete

It is also possible to glue to concrete using our Adiglue glue. Although Adiglue is less brittle than super glues, it is still not as flexible or strong as Adiseal construction adhesive & construction sealant. In the example below we have glued a metal handle to a heavy concrete slab with the Adiglue glue. The concrete required sealing first with Adiglue Activator so that it does not soak up the Adiglue. Sealing is not required when using Adiseal construction adhesive & construction sealant to stick the same metal handle to concrete.

Glue for concrete strength demonstration.

Glass

Stone

Ceramic

Rubber

Metal

Synthetic Materials

Leather

Most Plastics

Concrete

Travertine

Fibreglass

Fabric

Granite

Marble

Brick

Mirror

Many other items

Cleaning concrete surface before applying the adhesive

Before applying an adhesive to concrete, make sure the concrete is thoroughly clean. When concrete is exposed outdoor, a layer of dirt can build up on top of the concrete. This dirt layer sticks to the concrete surface. Simply brushing the concrete is not enough to remove this dirt layer. If an adhesive is applied on top, then the adhesive will only stick to this dirt layer and not the concrete. To clean the concrete, we recommend using a jet wash or sand blasting the top concrete surface. It is also possible to use a detergent or cleaning product and water mix, together with a thick brush to help remove this dirt. This method is not as good as using a jet wash. If the concrete has been cleaned with a detergent, rinse thoroughly to remove any cleaning agent. Fine dust can be removed with a vacuum, blower or a fine brush like a painting brush.

Where to buy

In the UK, Adiseal products can be purchased from Adiseal stockists. For other countries visit www.guglue.com

Visit our detailed guide on adhesives for more information on adhesives.

Frequently Asked Questions About Concrete Adhesive

adiseal.com - Best Adhesive on Concrete (2022) | Strongest in Test - Adiseal

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