Various Types of Prefab Roof Trusses
Now-a-days manufactured roof trusses are used extensively for new homes in USA to form the roof. In traditional framing, the rafters and ceiling joists are used and these are replaced in prefabricated trusses. The trusses are utilized to facilitate the general contractor for building homes which contain more complicated roof and ceiling designs maintaining superior speed and precision.
Fewer unskilled carpenters are employed to build the trusses by incurring low labor costs. These cost savings will minimize the price of almost any new home to be developed. Therefore, prefabricated trusses are mostly suitable for modern builders for their bottom line as compared to traditional roof framing.
Benefits of Prefabricated Trusses
- Trusses extent longer distances and disregard the requirement for inside load bearing walls.
- Cost effective as compared to stick roof framing as they are created with shorter lengths containing two by four stock as contrary to the larger framing members associated with traditional rafter and ceiling framing.
- Trusses are specially created for almost any ceiling or roof combination essential for modern custom homes.
- The proficient engineers design these trusses to satisfy the roof load and building code requirements.
- Trusses can generally be formed in one day. Therefore, the construction time minimized significantly. The inside of the new home is uncovered outside weather conditions.
- Inexperienced carpenters will also be able to construct trusses and less labor costs are required.
The Common Roof Truss
The common truss is acknowledged by its triangular shape and will frame the bulk of any new home truss package. Common trusses include seven primary portions as below:-
Top chord - To which the roof sheathing is used.
Bottom chord - To which the drywall or other finished ceiling is associated.
Bearing point - Where the common truss is created to be placed on the outside bearing walls.
Web supports – These are used to retain the top chord in the exact position, at intermediary points from the highest to the bearing point.
King post - It is applied to facilitate support to the heighest or top of the common truss.
Metal gussets – These are applied where the web supports and king post overlap the top and bottom chord and at the bearing point.
Tail of the truss is applied to produce the eave or overhang and arranges a way to assign soffit and fascia.
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