Lifespan & Materials
Flat Roof Lifespan UK: How Long Do EPDM, GRP, Felt & Single Ply Roofs Really Last? 2026 Data
The honest answer depends on the system. EPDM 20-30 years, GRP 25-30 years, felt 10-15 years, single ply 30-40 years — here's the manufacturer-warranty-backed data plus the maintenance schedule that adds another decade.