Roofing Materials
Tiles, membranes, lead flashing, EPDM, GRP, and battens — the materials that make your extension weathertight and what building control will inspect before they sign it off.
Breathable Roof Membrane: Types, Installation and What Your Roofer Should Be Doing
UK guide to breathable roof membrane: HR vs LR types, BS 5534 overlap rules, brand comparison, coverage calculation, and what to check before your roofer tiles over it.
Clay Roof Tiles: Types, Prices and What to Specify for Your Roof
Everything UK homeowners need to know about clay roof tiles: plain vs interlocking vs handmade, brand pricing, conservation area rules, frost resistance, and how to match existing tiles.
Concrete Roof Tiles: Profiles, Prices and What to Order for Your Extension
Everything UK homeowners need to know about concrete roof tiles: profiles, coverage rates, minimum pitch, fixing rules, and how to match your existing roof.
Dry Ridge Systems: What's in the Kit, Why It's Required, and How to Check It's Done Right
Complete UK guide to dry ridge systems: kit contents, BS 5534 requirements, brand comparison, costs from [Unknown price: dry-ridge-kit-economy-low] per 6m kit, and how to spot poor installation.
EPDM Rubber Membrane: The Flat Roof Covering Your Extension Probably Needs
Complete UK guide to EPDM rubber membrane for flat roofs: brands, thickness, DIY installation, costs from £8-12/m2, building regs, and how it compares to GRP and felt.
GRP Fibreglass Flat Roofs: What It Is, What It Costs, and Why It Fails
The complete UK guide to GRP fibreglass flat roofing: system components, installed costs from ~£80-150/m², why OSB3 matters, and what to ask your roofer.
Lead Flashing: Codes, Costs and What to Specify for Your Extension Roof
Everything UK homeowners need to know about lead flashing: codes explained, correct application by type, how to check your roofer's work, and when lead-free alternatives make sense.
Ridge Tiles: Profiles, Fixing Methods and What Your Roofer Should Be Doing
Complete UK guide to ridge tiles: half-round vs angular profiles, dry ridge vs mortar bedding, BS 5534 requirements, quantities, and how to check your roofer's work.
Roofing Battens: Sizes, Spacing, BS 5534 Compliance and What to Check on Site
UK guide to roofing battens: 25x50mm vs 25x38mm sizing, BS 5534 grading, batten gauge calculation, prices from £0.80-£1.94/m, and how to spot non-compliant battens.