Principles of vapor barrier: isospan in action. General information

Diagram of the use of the vapor barrier

As a vapor barrier tape is often used isospan. To begin with, it is worth considering the instructions for the use of steam-tight tape. Its use requires the presence of tools:

• Fasteners parts: self-tapping screws, stapler, wood rails, metal profile;
• Scissors with sharp blades for cutting metal pieces;
• Adhesive tape, Scotch tape;
• Steam insulation film with a spare overlap of 15 centimeters.

Step-by-step rules:

1. Steam insulation is installed mainly on the inside of the building. However, as an exception, it can be installed on the outside, it is allowed at an excessively low temperature( about 20 degrees with a minus point) and extremely thin walls that can not keep the heat of the room. For the roof, the vapor barrier is fixed exclusively from the inside.
   
2. The process of fixing the vapor barrier is due to a construction stapler along the perimeter of all the walls. The film must be overlapped, keeping the sealing. The overlap is 15 centimeters. Joints are sealed with scotch tape. In addition, the vapor barrier material is attached with racks of wood and nailed or self-tapping screws.
   
   
3. The distance between the fasteners is not less than 30 centimeters.
4. The layer of insulation from the vapor is covered with a layer of insulation. Isospan is a convenient and practical means of providing a ventilation opening for eliminating harmful moisture and steam.
5. The fixing of the insulation against steam must be carried out on a special frame of profiled strips. Their fastening is provided by screws to the wall. The sheets of vapor barrier are packed in a dense way. Clearances between them are eliminated by an adhesive strip.
   
6. For outdoor installation, the isospan is used twice( before heat sealing and after).

It is important to note: When constructing structures made of material that is susceptible to corrosion, the use of vapor barrier is of prime importance. This will extend the life of the iron plant.

Specific characteristics of vapor-insulating materials: varieties of isospan

There are a lot of means that eliminate the formation of steam and moisture on the walls, roof, ceiling. The leader is isospan, we will consider its types and qualities:

• Isospan A. It is a protective shell of the structures of the roof, walls, ceiling from the drops of condensate. Isospane A promotes the evaporation of moisture inside the structure, without causing damage to the structure of the building material. Use this tool when building roofs with a slope of not more than 30-35 degrees.
  
• Isospan B. Has two layers of protection. It is used only in the internal space of the room. Isospan B is of high quality and efficiency.
  
• Isospan S. Contains a protective coating of two layers. Can be used for roofs that do not have a heating layer. It is used in attic rooms. Perfectly removes moisture, condensation.
  
• Isospan D. Suitable for all types of buildings and cope with different types of problems. Multifunctional protective agent.
  
• Isospan AM.The main purpose is to cover the insulation layer from wet impact and wind gusts.
  

Why choose isospan in different types?

Isospan does not pass moisture, it is easy to handle and is able to withstand different temperature loads. It increases the operating time of buildings, protecting them from dampness, decay, mold and corrosion.

1. Isospan A is worth choosing because of its high strength. It can withstand the power loads and not lose its form. The marking A is made with the mark "Ecological Matrix".Has no risk of fire. Easy to install, you can use it yourself.
   Isospan A is used to protect the basement and attic rooms. Its density is 110 grams per square meter. It is produced in rolls of 140 centimeters in width and 50 meters in length. Is able to withstand the influence of ultraviolet rays.
2. Isospan B. Does not have universal use. It is used indoors. The order of laying isospan B: coating with building material - isospan A - fastening rods - isospan B - rafter construction - interior roofing.
   Isospan B has a density of 72 grams per square meter. It is produced by rolls with a width of 140 centimeters and a length of 50 meters.
3. Isospan S. Its peculiarity is in the application - it is only used when the roof is tilted at 35 degrees. Safely protects the attic space from moisture( and in the absence of heating).The order of isospan deposition With the following:
4. The vapor barrier layer( on the inside) is attached to the perimeter with a stapler and the edges are fixed with adhesive tape;
5. Make an overlap of 20 centimeters;
6. Reinforce with racks( parameters of slats 4/5 centimeters);
7. Reiki fixed with nails or self-tapping screws.

The installation of insulation tape from the formation of steam has an easy installation. After its installation, the probability of mold, dampness, rotting of walls, the formation of condensation, insects is reduced to a minimum. The vapor barrier shell will extend the life of building materials. It is important to carefully read the instructions and rules of use before buying an isospan and choose the type suitable for the structure of the house.