How to: Fix holes in plastic window

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Holes in the plastic window

Table of contents

  • repair clay
  • Instructions
  • foaming
  • Proceed
  • putty

Holes in a plastic window are easy to drill and are often unavoidable. The repair is more complex, but is also easily possible with our instructions.

video tip

repair clay

The easiest and quickest way to repair a plastic window is to use repair putty. Are needed:

  • rag and pulp
  • cleaning supplies
  • repair clay
  • spatula or cutter knife

Instructions

Repairing holes in the plastic window: repair putty

1. cleaning

In order for the repair putty to stick to the material, the window frame must first be thoroughly cleaned. Fats, oils, dust and other dirt could adversely affect the hold. After a basic cleaning with detergent and water, the area can be wiped again with alcohol. This allows residues to be safely removed.

2. Prepare repair putty

Before repairing, the putty must be worked with the fingers so that it heats up slightly and becomes more malleable. Forming a rope between your hands is advisable for holes in order to also seal the area behind the opening.

3. insert strand

The putty should be shaped in such a way that it can be inserted into the drill hole and has a protrusion of about one centimeter. This overhang is pressed wide outside the hole so that it is circular like a nail head and securely seals the opening.

4. smooth surface

So that no raised areas remain, the excess can now be removed with a spatula or a flat cutter knife. After it has dried completely, sanding and painting over may be necessary.

A notice:

This variant is particularly recommended for smaller holes. Larger drill holes cannot be sealed sufficiently with this. In any case, it is important to follow the manufacturer's instructions. Because the products can differ in their application.

foaming

This is not a complete repair, but preparation for the use of filler or, if necessary, repair putty. The effort is greater, but the results are often more convincing.

Are needed:

  • construction foam
  • masking tape
  • rag or pulp
  • cleaning supplies
  • grommet

Proceed

Repairing holes in the plastic window: construction foam

1. cleaning

The frame of the window must be thoroughly cleaned before the further steps can take place. Otherwise, the masking tape will not hold properly and the foam may spread and become stuck in unwanted areas. Coarse dirt can be easily removed with washing-up liquid. Any residues can be dissolved with alcohol and wiped off.

2. masking

The construction foam is used for foaming and thus as the basis for another layer for sealing. The drill hole should still be taped so that the material does not stick to the window frame. Because even with a suitable grommet, the foam can escape beyond the edges of the drill hole.

3. Fill up

When the preparatory work is completed, the foam is poured into the well with an appropriately sized spout. The grommet should be moved clockwise so that there is as much mass as possible behind the hole.

4. Adjust

After filling, a small dent should be made with your finger directly behind the drill hole. This serves as a starting point for putty or repair putty.

5. let harden

Before further processing is possible, the foam must harden properly. The information provided by the manufacturer should be taken into account.

Tip:

The drill hole should be taped as tightly as possible. Otherwise, the residues of the foam should be removed with sandpaper. That increases the effort again.

putty

After the drill hole has been prepared by foaming, the filling can begin. Only a small amount is required per hole. However, it is important that the mass is suitable for the type of plastic. Fine or plastic filler is optimal.

Are needed:

  • sandpaper
  • putty
  • spatula
Repairing holes in the plastic window: putty

The procedure is as follows:

  1. After the foam has hardened, the filler is applied.
  2. The mass must be able to harden completely. The duration for this depends on the temperature, humidity and type of filler.
  3. To level the surface, the excess filler must be removed. The best way to do this is with very fine sandpaper.

As adjustment by sanding is required, it may be necessary to completely repaint the window frame. Otherwise, the transitions may still be visible. This may already be due to the different shades of colour.

author Home editorial office

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