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Simpson Strong-Tie H10T15 Heavy Duty Lateral Restraint Strap Twisted at 150mm Galvanised Pack of 10
H/L
Restraint Strap
H and L straps are designed to The Building Regulations, BS 5268 Part 3 and other building standards for vertical and horizontal restraint when connecting timber floor and roof systems to masonry walls.
Heavy restraint straps meet requirements for lateral restraint of roof trusses, rafters and joists tied into masonry walls.
Light restraint straps are designed for vertical loads such as wall plates on top of masonry walls.
All common sizes in stock from 500 to 2000mm long, 100mm increments.
For rafter installation, 3.75x30mm Square Twist Nails can be exchanged for ø4.0x25mm wood screws.
Installation
HORIZONTAL RESTRAINT STRAPS
- Horizontal lateral restraint straps should be spaced not more than 2m centres and attached to at least 3 timber members through the use of noggings and packing.
- Attach to timber members using a minimum of 8 no. 3.75 x 30mm square twist nails.
- The bend length should be a minimum of 100mm and should be positioned at the centre of an uncut block or brick.
VERTICAL RESTRAINT STRAPS
- Vertical restraint strapping should be at least 1m long.
- Where straps are fixed to masonry, hardened nails Ø4mm x 75mm long or wood screws #12 x 50mm long into plastic plugs should be used.
- The number of fixings should be in accordance with the design requirements and the lowest fixing should be located within 150mm of the bottom of the vertical strap.
To order: Specify model series, overall length, bend (B) dimension and/or twist (T) dimension.
Example: Heavy strap that has an overall length of 1m, a bend at 10cm and a twist at 20cm. (See illustration for detail on measuring bend & twist dimensions).
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