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Restraint Straps and Banding

Restraint straps and banding is a set of high-quality products designed to reinforce connections between structural elements of a

building, in horizontal, lateral and vertical restraints. Both light and heavy duty straps are produced from galvanised mild steel, and also from stainless steel. 
  • Light and Heavy Duty Restraint Straps,
  • Edge Rolled Restraint Straps,
  • Timber Frame Straps,
  • Fixing Bands






The trussed rafter roofs and traditional cut roofs should be supported on timber wall plates. For trussed rafterroofs not subject to uplift, the minimum fixing should be two 4.5mm x 100mm long galvanized round wire nails, skew nailed, one from each side of the trussed rafter.

In situations where the roof is required to resist uplift, skew nailing is unlikely to provide sufficient strength. Appropriate metal restraint straps should be used. For dwellings of masonry construction,restraint should be provided at rafter level for gable walls. Larger gable or separating walls may also require restraint at ceiling level. Lateral restraint straps should have a minimum cross section of 30mm x 5mm and a minimum anchorage downturn of 100mm. Restraint Straps should be of sufficient length to be fixed to three trusses and should be fixed with solid blocking.

Restraint Straps shall be used to restrain gable and separating walls and hold down the roof against wind uplift. Restraint straps are required to provide stability to walls. They should be installed at not more than 2m centres for buildings up to three storeys (two storeys in Scotland). In higher buildings straps should be spaced at not more than 1.25m centres.

Restraint straps should be fixed to solid noggings with a minimum of four fixings of which one should be in the third rafter. The fixings should be four steel screws or four 75mm x 4mm (8 SWG) round nails. Rafters should not be notched to make the straps flush with the rafter. Straps should go under rafters and over ceiling joists. The turn-down should be on a substantial piece of blockwork, preferably the centre of an uncut block.

Restraint straps and banding is a set of high-quality products designed to reinforce connections between structural elements of a building, in horizontal, lateral and vertical restraints. Both light and heavy duty straps are produced from galvanised mild steel, and also from stainless steel. 

Light Duty Restraint Straps are generally for vertical applications such as holding down the wall plate. Designed to The Building Regulations BS 5268 Part 3 and other building standards for vertical restraint.

       

Heavy Duty Restraint Straps are generally for horizontal applications providing lateral restraint of roof trusses, rafters and joists tied to masonry. Designed to The Building Regulations BS 5268 Part 3 and other building standards for lateral restraint.

      

Edge Rolled Restraint Straps are the more traditional strap produced from pre-galvanised mild steel, being the cheaper and lighter alternative to heavy duty straps. It performed equally or better in tests than the equivalent traditional 5mm Heavy Duty Strap, providing lateral restraint of roof trusses, rafter and joists tied to masonry. 

The Timber Frame Strap is a holding down strap providing restraint against uplift to timber frames.

Fixing Bands are versatile multi purpose banding that can be cut, bent and formed for all types of light applications. Ideal for DIY, Industrial and Agricultural uses.

  • Versatile coil strip for lightweight fixing applications,
  • Suitable for timber and fencing repairs, clamping, bracing and restraining, pipe fixing, general support and ductwork etc,
  • Manufactured from galvanised mild steel to BS EN 10327:2004 DX51D + Z275,
  • Fix in place using screws, bolts,
  • Can be easily cut using tin snips or shears.
Brand: TECO Model and Size: LD200F
Delivery Time: In stock, 1-2 days
Galvanised Light Duty Restraint Strap 200mm Flat is designed for vertical restraint, for example fixing wall plates to masonry. The straps are produced from edge coated galvanised mild steel, also available in stainless steel. They are designed for 6mm and 25mm offset centres hol..
£0.55
£0.66 inc VAT
Brand: TECO Model and Size: LD200B50
Delivery Time: In stock, 1-2 days
Galvanised Light Duty Restraint Strap 200mm Bent 50mm is designed for vertical restraint, for example fixing wall plates to masonry. The straps are produced from edge coated galvanised mild steel, also available in stainless steel. They are designed for 6mm and 25mm offset centre..
£0.55
£0.66 inc VAT
Brand: TECO Model and Size: LD600T100
Delivery Time: In stock, 1-2 days
Galvanised Light Duty Restraint Strap 600mm Twisted 100mm is designed for vertical restraint, for example fixing wall plates to masonry. The straps are produced from edge coated galvanised mild steel, also available in stainless steel. They are designed for 6mm and 25mm..
£1.08
£1.30 inc VAT
Brand: TECO Model and Size: LD1000B100T
Delivery Time: In stock, 1-2 days
Galvanised Light Duty Restraint Strap 1000mm Bent 100mm Twisted 100mm is designed for vertical restraint, for example fixing wall plates to masonry and also for horizontal restraint. The straps are produced from edge coated galvanised mild steel, also available in stainless steel..
£2.00
£2.40 inc VAT
Brand: TECO Model and Size: HD300F
Delivery Time: In stock, 1-2 days
Galvanised Heavyt Duty Restraint Strap 300mm Flat is designed for lateral and horizontal restraint (as in roof trusses). The straps are produced from edge coated galvanised mild steel, also available in stainless steel. They are designed for 6mm and 25mm offset centres holes.INSTALLAT..
£0.88
£1.06 inc VAT
Brand: TECO Model and Size: HD600B100
Delivery Time: In stock, 1-2 days
Galvanised Heavy Duty Restraint Strap 600mm Bent 100mm is designed for lateral and horizontal restraint (as in roof trusses). The straps are produced from edge coated galvanised mild steel, also available in stainless steel. They are designed for 6mm and 25mm offset centres holes.APPL..
£1.77
£2.12 inc VAT
Brand: TECO Model and Size: HD1000T100
Delivery Time: In stock, 1-2 days
Galvanised Heavyt Duty Restraint Strap 1000mm Twisted 100mm is designed for lateral and horizontal restraint (as in roof trusses). The straps are produced from edge coated galvanised mild steel, also available in stainless steel. They are designed for 6mm and 25mm offset centres ..
£2.94
£3.53 inc VAT
Brand: TECO Model and Size: HD1000B100T
Delivery Time: In stock, 1-2 days
Galvanised Heavy Duty Restraint Strap 1000mm Bent 100mm Twisted 100mm is designed for lateral and horizontal restraint (as in roof trusses). The straps are produced from edge coated galvanised mild steel, also available in stainless steel. They are designed for 6mm and 25mm offse..
£3.11
£3.73 inc VAT
20mm Pre Galvanised Steel Fixing Band - 10m
New Hot
Brand: TECO Model and Size: FBG
Delivery Time: In stock, 1-2 days
20mm wide versatile multi purpose banding that can be cut, bent and formed for all types of light applications. Galvanised steel EN to 10346 DX51D Z275 0.9mm thick. Holes: 3.75, M10 round, M10 & M8 square. The square holes are suitable for cup square hex (coach bolts)...
£8.02
£9.62 inc VAT
Brand: TECO Model and Size: FBS
Delivery Time: In stock, 1-2 days
20mm wide versatile multi purpose banding that can be cut, bent and formed for all types of light applications. Grade 1.4301 austenitic stainless steel to EN 10088-2. 0.7mm thick. Holes: 3.75, M10 round, M10 & M8 square. The square holes are suitable for cup square hex (coach bolt..
£46.42
£55.70 inc VAT
Brand: TECO Model and Size: WB30x2.5
Delivery Time: In stock, 1-2 days
30x2.5 galvanised steel water bar for fitting into door sills for weather protection. Galvanised steel EN 10346 DX51D Z275. Traditionally used with wooden doors, the water bar is fitted into the threshold so that the front door closes against it, sealing any gaps and preventing wind and rain from en..
£3.38
£4.06 inc VAT
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