Dodgy Metal Roofer: 10 Red Flags to Spot | Dr Master Craft
How to tell a dodgy metal roofer: 10 red flags from vague build-ups and cash-only quotes to missing EN standards and fake warranties — plus the 8 questions that expose them fast.

How to tell a dodgy metal roofer: 10 red flags from vague build-ups and cash-only quotes to missing EN standards and fake warranties — plus the 8 questions that expose them fast.

The metal cladding to avoid in the UK: combustible ACM panels, unbranded thin sheets, cheap coated steel near the coast, incompatible metal pairings and more — plus the systems worth paying for.

Zinc cladding's real disadvantages: high upfront cost (£250–£350/m²), specialist-only installation, underside corrosion risks, slow patina and weathering streaks. The honest UK guide before you specify.

Zinc cladding costs £250–£350 per m² installed in the UK (Checkatrade average £325). Here's the full price breakdown by system, finish and project size — plus cost per year over its 100-year life

Some roofers do cladding — but metal cladding is a specialist trade. Here's which roofers install zinc, copper and aluminium cladding, how to check credentials, and what it costs

Copper cladding typically costs £300–£450 per m² installed in the UK — more than zinc or aluminium. Here's why, what the peer-reviewed durability science says, and the cost-per-year maths