Lateral Restraint Straps To Roof

For homes four storeys or over fixed at a maximum spacing of 1 25m.

Lateral restraint straps to roof.

Lateral restraint straps should be located. Even the friction between the sides of floor joists in a wall and the masonry can help reduce sideways movement. Even if you are using pre fabricated roof trusses part a of the building regulations and bs8103 remain clear that tensions straps should be no more than 2m apart. Lateral restraint is provided by more than dedicated straps and ties.

Lateral restraint straps are required at floor and rafter or flat roof member levels. Vertical loads down through the wall imposed by the roof and internal floors plays a positive role. Lateral restraint straps should be fixed to the roof structure by either. Fixing to solid noggings using a minimum of four 50mm x 4mm steel screws or four 75mm x 4mm 8swg round nails with one fixing in the third rafter figure 1 or.

If you are building a pitched roof you will also need to use straps at ceiling joist levels. For homes up to and including three storeys two storeys in scotland at a maximum spacing of 2m. Lateral restraint straps should be fixed to the roof structure by either. Our surveyors are seeing more and more instances where lateral restraint straps to the head of gable walls are being applied at spacing greater than the maximum permitted 2m.