How to clean the gun for foam

A good owner in the house, even if he does not work at a construction site, has tools. The gun for polyurethane foam is one of them. With the help of this device you can close up cracks and cracks, but keeping the tool in proper form is not easy. After application, the cured foam remains. How to get rid of it at home and what measures to take to the tool served for a long time?

The best tools for cleaning the gun and nozzle


Experts clean the instrument after using acetone. It happens as follows.

  1. Remove dried foam from the outside of the barrel with a stationery knife.
  2. In the hole in the barrel drop a small amount of acetone, and after a few minutes, gently pull the trigger.
  3. The gun should fall and the foam will come out without problems.
  4. If the first option did not help, the gun is disassembled for deep cleaning.

White Spirit

For effective cleaning use white spirit. Before use, the foam is cut from the hole on the gun and the agent is poured, and then left for 15 minutes. The main thing in using white spirit is to exclude hit on the plastic part of the tool.

Mechanical way

The method is used when the foam tightly froze. The device is completely disassembled. Using a screwdriver, needles or wires, remove excess material. Mechanical cleaning is a long and laborious work, but effective.

Professional cleaners

The market is full of offers. If desired, the owner will be able to easily select a special cleaner for the mounting gun. The tool will eliminate the excess foam, not only on the equipment itself, but also on window and door frames, clothes.

Removing foam from various surfaces

MDF and wood

If the surface is recently stained, then you can remove the foam with a special cleaner. As soon as the composition grabbed, there are difficulties in cleaning. What will help?

  1. With the help of a clerical knife, it is necessary to cut the frozen foam very close to the surface.
  2. Pour with solvent or vinegar. Wait a little for the pollution to soften.
  3. Use a scraper or a hard sponge to remove the mounting foam.


For removal of the stiffened assembly foam from glass use a flat scraper for ceramic panels. If the composition has recently stained the surface, you can use a professional cleaner.


Cleaning from metal is similar to removal from a wooden surface. The top layer of material is removed, then the solvent is applied. The back of the sponge for washing dishes scrubs the surface. If necessary, the process is repeated.


When installing plastic windows, it happens that the foam gets not only on the glass, but also on the plastic. Fresh composition can be removed with a solution for flushing assembly guns. And it is recommended to clean the dried one with the Dimexide solution using a toothbrush or a hard kitchen sponge.


Foam is removed from this surface with acetone or "Dimexidum" (sold in a pharmacy). Recently stained linoleum will clean a professional cleaning solution for a mounting gun and spatula. Scrape the hardened mixture with a stationery knife, having previously moistened with acetone. After the procedure, wipe the surface dry.

Walls and wallpaper

To remove the layer of foam from the walls and wallpaper, you need to apply a little kerosene. It is difficult to clean the surface if the wallpaper is paper, and the design is embossed.

How to use a gun so that the foam does not dry out

When working with a gun, you need to learn the rule - do not unscrew the cylinder until it is empty. If the work is completed today, an empty half can can be used tomorrow.

To avoid problems with the foam, so as not to have to be scrubbed for a long time, risking damage to the surface, it is necessary to exclude the moments of ingress of the product onto it. Cover the floor and windowsill with oilcloth or cloth. Keep a solvent on hand.

And most importantly - protect yourself. Do everything so that the solution does not get on the skin, clothing. Remove it will be difficult.

Watch the video: How to clean a blocked foam gun (January 2020).

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