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Restraint Straps are manufactured in two types: Heavy Duty to provide horizontal restraint and Standard to provide vertical restraint against wind pressure and uplift forces.


  • Manufactured from pre-galvanized steel strips with zinc coated edges to BS EN 10346: 2009, DX51D + Z275.
  • Hole diameters are 6 mm, 12.5 mm apart, grouped in threes diagonally across the width of the strap.


Use either no. 12 x 50 mm wood screws or 4 x 75 mm corrosion resistant nails.

Standard product features

Dimensions (w x t):

27.5 x 2.5 mm.


Length (maximum):

4000 mm.

Insert overall length and distance of bend/ twist from the end of the strap, e.g. 1000 mm, bent at 100 mm = ST1000B100.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-50-75/430 Carbon steel vertical restraint straps

Product specification

An important note about specifying



Expamet Building Products


+44 (0)191 410 6631

Product reference

Carbon Steel Vertical Restraint Straps Standard (ST)


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Manufacturer details

Mary Avenue,
Co Durham, DH3 1JF
Tel +44 (0)191 410 6631
Fax +44 (0)191 410 0650
NBS Plus
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