Light duty bent galvanised restraint straps for securing timber wall plates and joists to masonry. Available in six lengths from 300mm to 1500mm, supplied in packs of ten. Straightforward fixing for standard domestic construction work.
Size
Price
QTY
300 x 100mm
£9.90£11.88
600 x 100mm
£11.90£14.28
800 x 100mm
£14.90£17.88
1000 x 100mm
£14.90£17.88
1200 x 100mm
£19.90£23.88
1500 x 100mm
£26.90£32.28
Galvanised restraint straps are one of those things every bricklayer, carpenter and general builder gets through in quantity. These light duty bent straps are used to tie timber wall plates, joists and rafters back to masonry, keeping structural timbers where they’re supposed to be and satisfying building regulations in the process. The pre-formed bend means they drop straight into use without any faffing about on site.
These are hot dip galvanised for corrosion resistance, which matters in wall cavities and roof voids where you’re not going back to check on things in a hurry. The 100mm width gives a solid bearing surface against the masonry, and the straps are pre-punched for easy fixings — no need to drill your own holes.
Galvanised Restraint Straps: Sizes and Where to Use Them
Six lengths are available, running from 300mm right up to 1500mm, so you can match the strap to the actual structural requirement rather than bending something up that wasn’t designed for it. Shorter lengths suit lighter tying duties close to masonry, while the longer options are the ones to reach for when you need to span across a cavity or tie a plate sitting further from the wall face. It’s one of the few fixings where getting the length wrong is a genuine issue, so having the right size to hand matters.
Supplied in packs of ten, these are sensibly priced for buying in the right quantity for a job without ending up with a drawer full of spares. Whether you’re working on a new build, a loft conversion or a domestic extension, galvanised restraint straps in this specification are a standard part of the build-up and these cover the common sizing requirements across the lot.
Pro Tip: Always fix restraint straps to a minimum of three joists or rafters where possible, and make sure the strap is pulling the timber towards the wall rather than just sitting loosely across it — a strap that isn't under tension isn't doing its job.
Restraint straps like these are used wherever timber needs tying back to masonry in domestic and light commercial construction. Typical applications include securing wall plates at eaves level, tying floor joists to external walls, and restraining flat roof decks. They're a standard requirement on new builds, extensions and loft conversions under current building regulations. Bricklayers, carpenters and groundworkers all reach for these at different stages of a build.
Best For
Wall plate restraint at eaves level
Floor joist to masonry tying
Flat roof deck restraint
Loft conversions and extensions
New build domestic construction
Available Sizes
300 x 100mm
600 x 100mm
800 x 100mm
1000 x 100mm
1200 x 100mm
1500 x 100mm
Key Features
Galvanised for corrosion resistance
Pre-formed bent profile
Pre-punched fixing holes
100mm width for solid bearing surface
Light duty specification
Supplied in packs of 10
Not suitable for: These are light duty straps and are not intended for heavy structural restraint applications or situations requiring a heavy duty rated fixing. Not suitable for use in highly aggressive environments such as swimming pools or coastal locations where a higher grade of corrosion protection would be required.
Position the strap so the bent section sits over the timber and the flat section bears against the masonry. Fix through the pre-punched holes using appropriate masonry fixings into the wall and timber screws or nails into the joist or plate. Check the strap is pulling the timber positively towards the wall before finalising fixings.
Select the correct strap length for the span between the timber and the masonry bearing point
Offer the strap up to confirm the bent section sits cleanly over the timber with the flat tail against the masonry
Mark and drill masonry fixing positions through the pre-punched holes if required
Fix the masonry end of the strap using suitable plugs and screws or masonry anchors
Fix the timber end using appropriate nails or screws through the remaining pre-punched holes
Check the strap is holding the timber in positive contact with the wall before moving on
What is the difference between light duty and heavy duty restraint straps?
Light duty restraint straps are suitable for standard domestic applications such as wall plate and joist restraint in typical new build or extension work. Heavy duty straps have a greater material thickness and load capacity, and are specified where structural calculations or building control require a higher rated fixing. If you're unsure which is required, check the structural drawings or consult your building inspector.
Do these restraint straps comply with building regulations?
Galvanised restraint straps of this type are a standard method of satisfying the lateral restraint requirements in Approved Document A. That said, compliance depends on correct specification, fixing method and spacing, so always confirm the strap length and fixing centres with your structural drawings or building control officer.
Which length should I use for a standard cavity wall eaves restraint?
For a standard cavity wall the strap needs to span from the wall plate, across the cavity, and fix into the inner leaf. A 1000mm or 1200mm strap is typically used for a standard 100mm cavity with blockwork inner leaf, but the correct length depends on your actual wall construction, so measure the span before ordering.
Manufactured from mild steel strip with a galvanised coating to provide corrosion protection in concealed building locations. The pre-formed 90-degree bend allows direct bearing over timber members and the 100mm width provides a practical fixing surface. Pre-punched holes are positioned to accept standard fixings without modification. Supplied in a light duty specification suitable for domestic restraint applications.
Material
Galvanised mild steel
Width
100mm
Available Lengths
300mm, 600mm, 800mm, 1000mm, 1200mm, 1500mm
Profile
Bent (pre-formed 90-degree)
Fixing Holes
Pre-punched
Duty Rating
Light duty
Pack Quantity
10
Finish
Galvanised
Size
1000 x 100mm, 1200 x 100mm, 1500 x 100mm, 300 x 100mm, 600 x 100mm, 800 x 100mm
Box Quantity
10
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