New roof truss timber design may be needed for a number of reasons. They either may be a replacement for an existing roof truss or they may either form part of a new roof .
Our roof truss design covers any type of truss, even non standard types.
In order to design a new roof trusses w need the following information:
- The length of the building (at right angles to the trusses).
- The type of roof covering (e.g. slate or concrete tiles).
- The span and centers of the trusses.
- The height of the ridge above ceiling level.
- The position and span of any purlins.
Loft conversions are a very useful way of creating extra space. However, the existing roof structure is often not strong enough to support the weight of the new ceiling. Also, the existing ceiling joists are rarely strong enough to be used as a habitable floor.
If the loft conversion includes a dormer window, then vertical support will also need to be provided, because the original triangulation of the roof will be lost.
Additional floor beams timber design may also be needed and the new staircase to the loft will have to be trimmed.
Our structural calculations for a loft conversion includes checking the capacity of both the existing roof and the floor. We will also design any necessary strengthening work.
We need the following information to design a loft conversion
- Plans of the floors below the level of the loft conversion showing the position of the load-bearing walls.
- The ridge height of the roof above ceiling joist level.
- The size, number and positions of the existing purlins.
- The size and spacing of the existing rafters.
- The type of roof covering (concrete or clay tiles, slates etc).
- The approximate location of the building.
Existing Timber floors check
Based upon our structural calculations to assess the loading capacity of a timber floor, we will know if the floor is sufficient enough to carry the load applied. We will inform you in either case if the floor capacity is deemed satisfactory or strengthening is required. We will also provide you with necessary calculations to strengthen the floor if the floor is found to be inadequate.
We need the following information to check the loading capacity of a timber floor:
- The centers of the floor joists.
- The size and span of the floor joists.
- Details of any partition walls the joists have to support
We need the following information to design a timber beam:
- The span of the beam.
- The length of the joists spanning onto the beam.
- The details of the floor construction.
Timber post design
We need the following information to design a timber post
Architectural layouts or sketch drawings with dimensions.
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