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 repair cracks and cracks, but the content of the tool in its proper form is not an easy task. After application, the cured foam remains. How can we get rid of it at home and what measures to take to ensure that the instrument has served a long time?

Training and Safety

Before starting construction work, you need to think about safety. When in contact with the gun for foam, it is important to follow a number of rules.

  1. Never use a supercooled spray can. It should be at room temperature.
  2. When the air temperature is more than 30 and less than 20 degrees Celsius, construction work should not be performed.
  3. Do not use the tool near an open flame or near a heat gun.

Before use, the can should be shaken several times, removing the protective cap on the nozzle. Then tighten the gun.

The best tools for cleaning the gun and nozzles



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

  1. Remove dried foam from the trunk from the outside 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 must 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 method

The method is used when the foam is solidly frozen. 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. Means will relieve from excess foam, not only on the equipment itself,but also on window and door frames, clothes.

Video recommendations

Removing foam from various surfaces

MDF and wood

If the surface has recently been stained, 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 flushing solution for mounting guns.And it is recommended to clean the dried one with “Dimexide” solution using a toothbrush or a hard kitchen sponge.


With such a surface, the foam is removed with acetone or "Dimexide" (sold in a pharmacy). The recently soiled linoleum will clean the professional mortar for cleaning the 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. Clear the surface is difficult if the wallpaper is paper, and the figure is embossed.

Video plot

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 canister 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.

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