Close-up details showing how each roof system tends to fail, and what a trained eye picks up. If something here looks like your roof, that's a good reason to get it checked properly.
Pressed metal
Decramastic and pressed metal tile.
Chip loss, denting, rust in the valleys, and the silicone repairs that usually follow.
Tile
Concrete and terracotta tile.
Pointing that lets go, coatings that fail, and the cracked or displaced tiles that let water in.
Steel
Long-run and corrugated steel.
Rust at fixings and laps, coating failure, and tape-and-sealant repairs.
Membrane
Butynol and other membranes.
Lifting edges, ponding details, perforations, and seam repairs that have broken down.
The details
Junctions, interiors, and works in progress.
Inside the roof space, and the details we look at closely on any roof, new or old.