This is due to its inexpensive cost and widespread availability. And to strengthen its very simple, this job can be done even by an unskilled specialist. The name of this kind of material is due to the similarity with the skull. After all, the bar is a support on which are placed all the materials, it makes construction of extremely high strength, does not crack.
How to use the skull block in the construction and repair
Cranial bar – long wooden rail, common nails nailed to the side of the beams and thus acts as a basis for placing other materials. The bar is typically nailed only on one inner surface, but also, it can be mounted on both inner sides, if necessary reinforced strength. Of bars going and the basis of the roof, which, after covered with tiles.
What materials the bar is made
Most often cranial block are made of coniferous wood, often pine. Skull a piece of pine – the most affordable cost, has excellent characteristics in use. It is produced in the size of 40 x 50. Such a practical cranial the bar is very easy to nail along the lower edge of the beam and placed on top of rolling the necessary material. Usually stacked on top of the Board, at least – metal guides.
These bars are easily stacked, transported and stored. To increase the strength of the product they are impregnated with special composition, which protects from penetration of moisture, damage by vermin, including termites. There is no need to soak again, because it has no direct contact with the water for a long time.
If one of the bars on the subjective reason becomes unfit for use – simply replace with like and there is no need to disassemble the entire structure, removed only the area of rolling of the material that was on top of the bar. All products are standardized and interchangeable.