Loft Conversion Roof Joists

There are certain ways and means around them which will leave you with a very usable habitable space.

Loft conversion roof joists.

Telebeam is a totally pre fabricated entirely bespoke and adaptable loft conversion system for a wide range of roof spans and pitches. This could be a hip to gable loft conversion or a mansard conversion for example. A ridge beam is installed beneath the apex before the dormer roof joists can themselves be fixed in place and the roof weathered. Ceiling joists consist of two narrow low grade timbers often bolted together sistered above a supporting wall.

The conversion from a trussed roof to a trussless roof simply involves the redistribution of the roofs weight from the trusses to beams running from gable to gable. Room in roof trusses can be craned into place to form the shell of a ready made new loft room with the insulation placed above the rafters for maximum thermal efficiency. This process involves the installation and use of steel beams. It is suitable for older style cut roof or a modern truss roof.

It is at this stage when the dormer windows are being constructed that your loft conversion will be exposed to the elements so you ll need good temporary sheeting to protect against the weather. Existing loft joists are designed only to support ceiling boards so a structurally sound floor is needed. Truss roofs have w shaped rafters which support the load of both the roof and the loft s floor structure. Changing the roof structure for a loft conversion.

The main problem with raising the roof is that it requires planning permission and there s a fairly good chance this will be refused especially for terraced. Bungalows houses detached semi or terrace barns or garages. Joists insulation and boarding. With the help of an experienced loft conversion company truss rafters are no obstacle.

This option is the most expensive as it requires the complex removal and rebuild of the existing roof. However the average dormer loft conversion with a double bedroom and en suite costs about 35 000 45 000. Looking back i was very lucky in that my roof had an unusually high 47 degree pitch and so there was lots of head room.