To choose the right foam, must consider where we want to use it and what we expect from it. Foam can be divided into snake and pistols. Foam pistol is designed for professionals who have mounted a large amount of windows. Conversely, if the work you are performing the same assembly, it paid better attention to its powerful and easy-to-use foam snake. Experienced assemblers usually work. They are looking for foam, enabling them to ensure assembly, short time working and what is most important - a high performance. Standard cans with a capacity of 1,000 ml (750ml of input) obtained 45 liters of foam. Good to know that there are also in the foam on the far greater efficiency, obtaining up to 40% more foam, which is about 65 years for fitters of windows on the market is to foam pistol PVC windows. It is characterized by very good adhesion to PVC profile, eliminates the distortion of the plastic due to the expansion of foam. If the installation of plastic windows we want to carry yourself you have to PVC foam in snake. When the insulation or sealing in places where there is high degree of fire such as chimneys, fireplaces, there are foam is dedicated for use in high-risk conditions flammable. Foam pistol is used by professionals. In their application, it is necessary to making the gun to the application of foam  to clean (otherwise the foam left over from the assembly could dry and disable the gun). Using foam pistols, therefore, bear the additional costs. In the small and simple assembly work is worth paying attention to the foam snake. They are typically equipped with a wavy line for the imposition of foam. With it you can clearly admit foam, even in small openings.