It is prohibited to install vapor barriers on frame and timber structures without slats.

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Protecting the walls of a wooden house from moisture and steam
Now let's look at how to perform vapor barrier work on residential buildings made of wood. If you intend to do interior finishing on the walls, it is allowed to place the insulating and moisture-proof layer from the inside. This is done as follows:

a layer of waterproofing, which will protect the wall from fusion data coming from outside, is placed over the log, fixing it to the lathing;
leave (required!) a gap for ventilation of about 5 mm;
Use a stapler to attach the waterproofing, onto which the metal profiles are mounted (on top);
Place the selected material for wall insulation between the profiles, and lay the vapor barrier on top of it.
Fixing the waterproofing layer on the lathing

After this, you can do the final finishing of the walls. Vapor barrier of a frame house, as well as timber buildings, can be done by installing a vapor barrier membrane from the outside. In this case, it is necessary to make a slatted frame for the film (the distance between individual slats is about 100 cm). Then attach the vapor barrier to it, stuff the lathing for the insulating layer on top of the slats and stretch a layer of waterproofing material. Now you can start finishing the walls.


One more thing. Whatever vapor barrier material you choose for walls, its individual pieces should be laid with an overlap. They should overlap by 2-4 centimeters. If you use foil polymers, the joints between the insulation strips are sealed with metallized tape. Other types of films are usually connected with self-adhesive tape.

If you have no experience in protecting the walls of a frame or other wooden house from moisture, we advise you to ask professionals for help. They will tell you which vapor barrier method will be optimal for your home. And it will definitely become warm and very cozy for your family.