Loft Floor Construction

Apr 6 2018 explore william owen s board cabin plans with loft on pinterest.

Loft floor construction.

Ceiling joists consist of two narrow low grade timbers often bolted together sistered above a supporting wall. Soft loft addition to an existing building. On wider buildings buildings over 16 wide floor joists would either need to be supported by center beam or combination of beams posts if constructing a wider building. A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.

The loft room will also have to be separated by a fire door either at the top or bottom of the new stairs. Existing loft joists are designed only to support ceiling boards so a structurally sound floor is needed. These cover matters of safety including the strength of the floor minimum headroom above the staircase fire escapes thermal efficiency electrics plumbing and glazing. Loft with floor joists.

Because there are so many variables in building a loft there is a wide range of associated costs. You can still board directly on to the joists if you want but it is worth noting that this would not pass a building control inspection because you wouldn t have the full 270mm depth of insulation required by regulations. Loft floors loft floor construction. As a loft conversion is a material change of use building regulations must be met and you should consider them highly when constructing your loft conversion plans.

The best solution is to build a raised loft floor above the insulation details of which are shown below. See more ideas about cabin plans cabin plans with loft small cabin. Some newer homes have manufactured i beam shaped joists. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home.

When more attic space is needed such as in a full loft see image the loft must be built with floor joists and roof rafters. The new floor joists of your loft conversion will need to offer at least 30 minutes worth of fire protection which could mean replastering the ceilings in those first floor rooms below. 503 price per month. Joists insulation and boarding.