How the sliding rafter system
looks. The installation of the systems must be carried out in compliance with all standards for shrinkage of wood, so be careful. The slightest inaccuracy spoils and destroys the roof.
The system consists of a ridge and elongated boards. The horse is the top, the corner of the roof. It is necessary to prepare it for a template, and afterwards to fix the remaining parts. Next, you will need elongated boards that have small holes for the bolts. They can be done on their own, to make it easier to dock. Between the joints of the boards and their butt should be a distance of more than 10 cm. The holes are made with a drill.
How to count the rafters for the
system The mandatory action when preparing the roof for the load is the load from the weight of the roofing material, the presence of atmospheric precipitation.
In addition, it is very important that the tree does not change its cross-section when it dries, and therefore it is necessary to take into account the degree of humidity.
Required materials of the
- system Raised legs for the overhang of the cornice
- Riser's legs for the intermediate boards
- Roof horn
The individual scheme is used to secure the parts.
Fastening of the sliding rafter system
The first fix the skate ridge and for this use the splice plates. They are easy to use. Further for the intermediate beams, the support rafters are mounted with special sliding elements.
The rafter is usually mounted to the rafters strictly perpendicular. Therefore, it is necessary to regulate a right angle of 90 degrees, which can be done by sawing the beams and the main part of the sliding system. Thanks to this installation will be more comfortable.
For the correct operation of the rafters in the shrinkage of the building, a sliding element with an extreme angle of direction must be installed. In this position, the wood will lie much better, and after laying it is possible to start installing the roof and its durable service.
The most successful rafter sliding system for buildings from beams and wood logs. Especially neatly for this material should be installed fasteners to the roof frame.
During shrinkage of the building, the permissible height can be up to 15%.The only thing you need to be careful with is the size of the system.
Important! When determining the section of the rafters, the weight of the roof must be taken into account. The width of the edging board, which is most often used, is no more than 20 cm and the thickness is 5 cm.
Important nuances of fastening the truss system
Naturally, the rafter system is mounted by lapping and joining the logs to the roof ridge. Used nails or bolts, as well as steel plates.
Important! Do not use self-tapping screws to fix them, as they rarely cope with holding large loads.
For fastening, the following parts must be taken into account:
- In the fastening of the wooden roof, plates, nigels, beams, overhead or insert corners are used.
- Metal roof is fastened with screws, nails, bolts, nuts, overlays, overhead steel angles.
For more visibility of the above, you can watch the video in the adjacent tab
