Restraint Straps

Also known as a ‘restraint tie’, it is a metal strap that connects different parts of a building to prevent damaging movement caused by bad weather, such as strong and repeated wind pressure. 

This depends on the type of builders’ restraint strap you buy. Horizontal restraint straps secure floors or roofs to masonry, whereas vertical straps connect wall plates to masonry. 

Yes. Beyond what they tie into, they also serve different purposes - horizontal restraints resist lateral movement, and vertical uplift - they are designed for a specific orientation and have a different load capacity.

Horizontal and vertical straps are not interchangeable.

Catnic steel restraint straps should be installed according to the manufacturer’s guidance. This is typically using 75mm x 4.0mm diameter galvanised nails into timber of 50mm long no.12 woodscrews with wall plugs.