Loft Conversion Steel Floor Joists

It is suitable for older style cut roof or a modern truss roof.

Loft conversion steel floor joists.

Bungalows houses detached semi or terrace barns or garages. Ceiling joists for non habitable loft floors c16 strength grade timber. Telebeam is a totally pre fabricated entirely bespoke and adaptable loft conversion system for a wide range of roof spans and pitches. There are many ways of altering roof structures for loft conversions but they all have one common element the ceiling joists will almost certainly be inadequate as floor joists.

Ceiling joists are tied to the floor joists with steel straps to stabilise the ceiling. 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. It is unlikely that the existing ceiling joists will be adequate to support the weight loads that arise from the construction contents and use of a typical habitable room developed in a loft. In this video i show how i cut my my joists make packer plates get the joists from the garden up int.

This means that new floor joists are fitted alongside them slightly raised above the ceiling plasterboard to avoid contact with it. To overcome this problem new floor joists would need to be installed to take these new loads. However manoeuvring long heavy steels into place at high level can be enormously difficult necessitating the use. Spacer noggins solid struts are installed between joists to reduce joist deflection vibration improve floor rigidity and performance.

This is part 2 in my series of loft conversion videos. New floor joists are measured and trimmed to size then dropped into the joist hangers and secured in position. Most loft conversions employ at least one pair of steel beams to support the new floor structure and the roof slopes at purlin level and sometimes also at ridge level e g. When you re carrying out your planned loft conversion it s highly likely you ll find that the existing ceiling joists or gang nailed roof truss chords in your property are not designed to carry a full domestic floor load.

Where you re adding a large dormer. Floor joist span tables for surveyors floor construction.