Assembly adhesive: The alternative to the drilling machine

Assembly adhesive: the number one building

Assembly adhesive: The alternative to the drilling machine: drilling

Assembly adhesive is always used when drilling, screwing and nailing is not possible or should be avoided. Whether large or small surfaces, inside or outside, tile, windowsill, baseboard or minor repairs: there is the right adhesive for every application. Here we introduce the fields of application, discuss the framework conditions that must be met and show suitable application examples.

application areas

Assembly adhesives offer some advantages over other fastening methods. The processing makes no noise, no expensive tools are needed and there is no drilling dust. The application is simple and it can be done by Metal over glass, plastic, plaster, concrete, tiles up to cork, PVC and Styrofoam everything is glued to it. Some adhesives contain joint sealant, making it easier to install kitchen sinks or window sills. For heavy materials such as tiles, there are special, quick-drying adhesives with high initial adhesion. For which trades an adhesive is suitable, it is often already apparent from the product name and can be read in the application description.

Assembly adhesive: types and properties

Assembly adhesive is not the same Assembly adhesive: Essentially will be on the market three types distinguished, which have some significant differences in terms of handling and setting behavior. In general, the type of mounting adhesive on tubes and containers but not marked, only in the list of components you will find the often decisive hint.

Hybrid polymer assembly adhesives

Assembly adhesive: The alternative to the drilling machine: assembly

The word monster at the beginning does not need to scare: A polymer is a chemical combination of large molecular chains, the word component "hybrid" refers to an additional component. This may be u.a. aroundsilane act that Silicon compound becomes industrially as Filler for plastics used. However, it is important that these adhesives also need contact with the outside air: by absorbing atmospheric moisture, chemical crosslinking takes place inside the adhesive layer.

Special properties of hybrid polymer assembly adhesives:

  • do not need a sucking surface
  • no loss
  • also usable on damp surfaces
  • for indoor and outdoor
  • flexible connection properties
  • Columns up to 20 mm can be bridged

Dispersion- and water-based assembly adhesive

Assembly adhesive: The alternative to the drilling machine: machine

Dispersion is nothing but a nice technical term for "Dispersion" - it was handled extremely well here, i. the adhesive was distributed in a vehicle. As a rule, this is water for dispersion mounting adhesives. This means that the adhesive cures due to the evaporation of water - for this purpose, he urgently needs air. Of course, a major advantage is the absence of solvents; The adhesive is virtually odorless.

The following factors must be taken into account with dispersion mounting adhesive:

  • The glue needs air for setting
  • Heavy loss due to dehydration
  • Requires at least one absorbent surface
  • Rigid, non-elastic bonding
  • Can be washed off with water and removed
  • recoat

Polyurethane structural adhesives

Assembly adhesive: The alternative to the drilling machine: adhesive

Polyurethane, also known as PU or the abbreviation PUR, is known above all as PUR foam for filling cavities or in the form of household sponges. Polyurethane is very versatile, so mattresses, hoses, floors, seals and much more are made of PU.

As an adhesive, they crosslink with the help of moisture, either from the ambient air or the ground.

This releases CO2 - a fundamental problem of PU adhesives. Since these tend to foam, one must assume not from a shrinkage, but from an expansion.

This must be taken into account with PU assembly adhesives:

  • Fixation and contact pressure necessary
  • hardens quickly
  • glued rigid, but very firm
  • good water resistance
  • Can be used inside and outside
  • Low UV stability - do not expose to sunlight

Gluing with assembly adhesive

As always when gluing, substrate and workpiece should be at the adhesive surface dry, free of dust and grease so that the glue sticks better. For porous, absorbent substrates, a primer is recommended. The application of the assembly adhesive varies according to Packaging (tube, bottle, cartridge...), surface and intended use, Mostly the glue will applied in a dot or line and pressed and aligned the workpiece as quickly as possible. Heavy objects must be additionally supported and fixed until complete curing of the adhesive. Overlapping adhesive should still be removed when wet or smoothed. Some adhesives are later sanded and / or painted over. These properties can also be found in the item description.


A classic application for assembly adhesive is the Attaching polystyrene or foam boardsbecause in this case screws or nails are out of the question. Styrofoam should only use a solvent-free adhesive as the material dissolves on contact with solvents. For reasons of fire protection, both polystyrene panels and the adhesive used should be flame retardant.

In the Assembly of mirrors in the bathroom, it is also recommended to use a mounting adhesive. This eliminates any Befestigungseslemente away and the mirror can be installed flush with the tile. It is best to use an adhesive with sealant for subsequent joint sealing.

Assembly adhesives are also available as special adhesives for physically stressed areas. Examples of these are very heat-resistant adhesives for stoves and fireplaces or special adhesives for underwater work by the pool. The last-mentioned variant of the assembly adhesive sticks even better with moisture, because the adhesive reacts with water and cures faster, the moister the environment is.

Mounting adhesive: © Pixelot -

Polymer: © Ed / (public domain)

Dispersion representation: ©

PUR sponges: Source: Wikipedia; Photo: moebius1; License: Creative Commons by-sa 3.0 DE / Short

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