The following is sealing. For this, special sealants or mounting foam are used. Using these funds, the balcony is protected. Sealants are different, but in order to insulate the balcony of the most high quality, you need to use the best materials. At the same time, installation foam is used most often, because it allows you to ensure a high degree of sealing. The use of construction foam is a common event. To carry out any repairs, you will need patience and responsibility. For example, wastewater treatment with vehicle-15 installations is carried out at a high level and in this case you do not have to strain and get bothering.