Adhesive, also known as glue, cement, mucilage, or paste, is any non-metallic substance applied to one or both surfaces of two separate items that binds them together and resists their separation.The use of adhesives offers certain advantages over other binding techniques such as sewing, mechanical fastenings, or welding. These include the ability to bind different materials together, the more efficient distribution of stress across a joint, the cost-effectiveness of an easily mechanized process, and greater flexibility in design. Disadvantages of adhesive use include decreased stability at high temperatures, relative weakness in bonding large objects with a small bonding surface area, and greater difficulty in separating objects during testing. Adhesives are typically organized by the method of adhesion followed by reactive or non-reactive, a term which refers to whether the adhesive chemically reacts in order to harden. Alternatively, they can be organized either by their starting physical phase or whether their raw stock is of natural or synthetic origin.
Adhesives may be found naturally or produced synthetically. The earliest human use of adhesive-like substances was approximately 200,000 years ago, when Neanderthals produced tar from the dry distillation of birch bark for use in binding stone tools to wooden handles. The first references to adhesives in literature appeared in approximately 2000 BC. The Greeks and Romans made great contributions to the development of adhesives. In Europe, glue was not widely used until the period AD 1500–1700. From then until the 1900s increases in adhesive use and discovery were relatively gradual. Only since the last century has the development of synthetic adhesives accelerated rapidly, and innovation in the field continues to the present.

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  1. G

    Why is my adhesive dry and crumbling

    I got 100 square metres of tiles laid 18months ago. after 7 months i noticed tiles starting to loosen. now approx 50% have loosened. i lifted a tile last week and the adhesive is dry and crumbling. No real adhesion to floor or tile. Tiles are laid on a concrete floor with no underfloor heating...
  2. T

    To Remove Old Adhesive & Filler OR Layer Over?

    To Clean Out: Remove Old Glue, Mastic, Filler and Set Back to Studs? OR: to add Glue and Leave what's there in place? The plan is to replace the square tiles with 15"x 30" tiles. I am leaning toward demo, but am I asking for more trouble than one more inch of space and modern insulation is...
  3. F

    Force Drying Adhesive

    hi guys, i was looking at buying a self leveling system from , i have asked about tiling on the back of the self leveling. is it okay to have the heating on in any fashion or will the heat affect the adhesive or self leveling? Many thanks
  4. W

    Does hardibacker need adhesive on caberdek?

    Hi folks Tiling a bathroom in a new build. Floor is caberdek, solid and flat. Could I just screw the hardi boards down? There's zero movement, or should I still use the adhesive bed? This caberdek looks a bit waxy or has a coating. Cheers
  5. 1stTimeTiler

    Levelling out Hardie board with adhesive

    Looking for advice on how much adhesive to use. I’ve taken on my first tiling project and found that the chipboard subfloor was affected by water under the washing machine so have cut it out and replaced it with osb and ply (the only way to match the 20mm thickness). However it doesn’t match up...
  6. Dodger2303

    Best adhesive for very thin gap.

    Hi all I have to replace a handful of quarry tiles on a cement based kitchen floor. I guess a long time ago these tiles were laid directly onto cement (with the cement potentially as the adhesive). I now have thinner tiles so I can relay them onto the concrete only the space between the tile...
  7. G

    Adhesive Does all types of adhesive stick to SBR?

    I have primed the some of the walls and floor in BAL Bond SBR. The adhesive instructions, (Ultra Tile Fix Proflex), says to prime with their own: "Ultra Tile Fix Pro Primer". So, do all types of adhesive stick to SBR? Thanks
  8. JakubK

    Adhesive What adhesive would you recommend?

    Hello, I've got to lay 45 X 45cm tiles (1cm thick) on a suspended floor with 22mm chipboard overlaid with 18mm ply (and treated with sbr) What would be best adhesive for the job? Thanks
  9. B

    White adhesive residue stuck to black slate effect tiles.

    I’ve got some white adhesive residue stuck to the surface of black slate effect tiles. Give them a wipe with a damp cloth and the residue is invisible but when it drys it becomes noticeable again. Tried hard bristle brush with boiling water but due to the texture of the tile I just can’t get...
  10. N

    Adhesive Palace Heat Resist Adhesive

    Does anyone have much experience of working with Palace Heat Resist Adhesive? I'm just about to tile a fireplace with it for a log burner but I've noticed that on the tub it says it will 'take up to 14 days to develop full adhesion and should not be exposed to radiant heat during this time'...
  11. D

    Adhesive Wrong adhesive for floor tiles (already laid) help!

    DIYer here (and first post!). Done reasonable amount of wall tiling but no floors. New bathroom with concrete base and self leveling compound ontop. I've sadly laid the whole room with our 600 X 400 porcelain tiles using.. deep breath.. mapei showerproof ready mixed tile adhesive which I now...
  12. N

    Which tile backing board, tanking and adhesive for large format tile

    Hi Peeps, about to rip out my bath and put a new one in with a shower. I've done a few bathrooms already but because I'm using 60x60 tiles (28.5kg per m2 Polished ) I just need some advice on what board and adhesive I can use. The tap wall is stud and the side is block. The block is currently...
  13. A

    What adhesive for 600x600 porcelain wall tiles

    Evening all, I've got a job coming up soon in a bathroom, wall to ceiling around the bath then half way on remaining walls. The tiles are 600x600 porcelain 9mm thick and the substrate is skimmed plaster board. I'm looking for advice on what adhesive to use, I usually use kerakoll biogel no...
  14. S

    Adhesive What adhesive to use to repair pool coping

    Hi, I'm not sure if this is a tiling question, but here goes. The guys who installed the railings on our front porch broke the step, while drilling for the post. I've been the route of getting them to fix it, but that was a waste of time; so I'm now left with two options: replacing the entire...
  15. D

    Adhesive for Hardiebacker

    Hi guys, I am installing hardiebacker board on wooden floorboards. Any advise on which tile adhesive to use under the cement boards? I see it being mentioned that i need thinset mortar which i am guessing is an American term for Cement based adhesive. But could someone help me out in...
  16. P

    Best adhesive for small marble tiles

    Good day all. My daughter has asked me to tile a cooker splashback in her kitchen. They've chosen marble tiles of about 150mm x 75mm x 8-10mm. They're quite chunky things for small tiles. The wall they're going on has been sanded back to smooth brown finishing plaster and the wall itself is...
  17. A

    Adhesive Nightmare floor - caberfloor - cracking tiles - best adhesive/solution

    We had our kitchen floor tiled in large plank-style porcelain tiles (90cm x 15cm) about 2 years ago. The tiler tiled them onto caberboard and there is also an underfloor heating mat under there too. Since then we’ve had grout popping and tiles cracking left, right and centre. In total about 5...
  18. S

    Split Face Tile - Is this how it should look when job is finished?

    Hey everyone! Just want to say first of all that I am not a tiler or anything I’m just in need of some advice if possible! My parents got their chimney breast done in Split Face Slate Tiles and I’m not sure if this is how it should have been left, I’ll try and attach images but there is a lot of...
  19. E

    Laying bricks over concrete slab. Mortar or tile adhesive?

    Hi, I'm planning to do a herringbone brick floor over a concrete slab with some reclaimed brick tiles . The bricks have been sawn into narrow longs roughly 50mm x 50mm x 250mm, but there is still a fair bit of variance. Have enough extra that I can get the variance down to 5mm by being...
  20. M

    Adhesive Adhesive & Grout Recommendations for Bathroom

    Hi Everyone, I’m a new DIY tiler looking to do my bathroom and downstairs toilet. The amount of adhesives and grouts out there is a little overwhelming and confusing for us newbies so was hoping for someone to shed some light on which ones would be best for me… Substrates: The bathroom has new...
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