Fixings
Screws, bolts, anchors, brackets, and connectors for securing structural and non-structural elements in your extension build.
Anchor Bolts: Which Type, Which Wall, and Why It Matters
The UK guide to expansion anchor bolts. Wedge, sleeve and shield anchors compared, substrate suitability explained, and the mistake that cracks your blockwork.
Angle Brackets: Which Duty, Which Fastener, and Why It Matters
The UK guide to angle brackets for timber framing. Light, medium and heavy-duty ratings explained, with prices from TBC upwards and the fastener mistake that weakens every joint.
Chemical Anchors (Resin Anchors): The Complete UK Guide to Resin Fixings
How to choose, install, and avoid failures with chemical anchors. Resin types compared, cure times by UK season, cost per fixing from TBC, and the hole cleaning procedure that determines whether your steel beam stays put.
Coach Bolts: The Right Fixing for Structural Timber Connections
The complete UK guide to coach bolts (carriage bolts). Why mild steel beats high tensile, correct hole sizing, washer selection, and what to pay from £0.15 per bolt upwards.
Frame Fixings: The Right Way to Secure Window and Door Frames
How frame fixings work, which type to use, and why overtightening is the single biggest installation mistake. Nylon frame fixings vs concrete screws, spacing rules, length selection, and UK pricing.
Joist Hangers: The Fixings Building Control Will Actually Check
UK guide to joist hangers. Types, sizes, nailing requirements, and why building control will reject your floor if a single nail hole is empty. From price:joist-hanger-masonry-47x150 each.
Nails: Types, Sizes, and When Each One Matters
The UK guide to construction nails. Ring shank vs round wire, joist hanger specifications, nail gun types, and current pricing from price:nails-galv-rw-75mm-1kg upwards.
Timber Connectors: Restraint Straps, Truss Clips, and Framing Anchors
The UK guide to timber connectors for extensions. Restraint straps, truss clips, and framing anchors - what building control checks, what they cost from TBC to TBC, and the installation details that matter.
Wall Plugs (Rawlplugs): The Size Matching Guide That Stops Fixings Failing
The UK guide to wall plug sizes, colours, and screw matching. Yellow is 5mm, red is 6mm, brown is 7mm. Get the combination wrong and your shelf hits the floor.
Wood Screws: Sizes, Types, and Which to Buy for Every Job
The UK guide to wood screws. Which gauge and length for which job, why your yellow screws will rust outside, and what to buy from [Unknown price: wood-screw-budget-4x40-200pk] per box.