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Expert Flat Roofing Solutions in Cornwall
Pellow Roofing has been delivering expert flat roofing and waterproofing solutions across Cornwall, Devon, and the South West for over four decades. Established between Truro and Falmouth, we specialise in bespoke residential and commercial projects, combining traditional craftsmanship with modern materials. Our services include single-ply membranes, cold-applied liquid systems, fibreglass installations, and eco-friendly green roofs, all backed by comprehensive guarantees.

We prioritise clear communication, technical excellence, and emergency repair capabilities to protect properties from Cornwall's coastal climate. With endorsements from architects, builders, and repeat clients, our reputation rests on durable solutions, from minor repairs to large-scale industrial re-roofing projects.
Services
Single Ply Roofing Cold Applied Liquid Waterproofing Fibreglass Roofing Green Eco Roofs Roof Repairs EPDM Rubber Roofing Mastic Asphalt Structural Waterproofing Balcony Waterproofing Emergency Roof Repairs
Highlights and features
  • We offer 24/7 emergency roofing repairs for urgent leaks
  • All new work comes with insurance-backed guarantees
  • Specialists in coastal climate-resistant roofing materials
  • Approved applicators for Kemperol 2K-PUR waterproofing systems
  • Over 40 years' local experience in Cornwall's unique conditions
Associations and certifications
  • Competent Roofer scheme
  • Kemper System
What people say
Easiest and most pleasing money I've spent Superb brand new roof Totally weatherproof Prompt and efficient service Sing your praises from the rooftops
Services
Single Ply Roofing
Single-ply membranes offer lightweight, durable flat roofing solutions with seamless installation. These synthetic polymer systems resist UV radiation and temperature extremes from -30C to +80C. Ideal for commercial and domestic properties, they provide thermal efficiency meeting NHS and school building standards. Installation uses hot-air welding for watertight seams, with options for mechanical fixing or adhesive bonding. Guarantees of 10-25 years ensure long-term protection against Cornwall's coastal weather conditions.
Cold Applied Liquid Waterproofing
Cold-applied polyurethane systems create seamless waterproof barriers suitable for complex structures. These fast-curing coatings adhere to asphalt, concrete, and steel substrates without requiring full replacement. Ideal for balcony renovations and roof repairs, they incorporate anti-slip additives and come with 10-20 year guarantees. The cold-application process eliminates fire risks while maintaining durability against Cornwall's maritime climate and temperature fluctuations.
Green Eco Roofs
Biodiverse and sedum roof systems combine environmental benefits with aesthetic appeal. Our installations feature multi-layered waterproofing membranes supporting vegetation that reduces stormwater runoff and improves building insulation. Available in extensive (low-maintenance) and intensive (gardenable) formats, these roofs comply with sustainability standards while enhancing biodiversity. The system includes drainage layers and root-resistant barriers to protect building integrity in both urban and rural settings.
Fibreglass Roofing
Glass-reinforced plastic (GRP) systems provide lightweight, seamless flat roofing with exceptional durability. The non-porous surface resists moss growth and withstands foot traffic, making it ideal for balconies and terraces. Available in multiple colours, fibreglass roofs offer thermal insulation benefits while maintaining structural integrity through Cornwall's temperature extremes. Anti-slip finishes and integrated drainage channels ensure safety and longevity with minimal maintenance requirements.
Roof Repairs
24/7 repair service addresses urgent leaks and storm damage to prevent structural deterioration. Our team conducts comprehensive inspections identifying cracks, pooling water, and failed seals. Repairs utilise compatible materials matching existing systems, with options for full replacement when decking integrity is compromised. Scheduled maintenance plans include debris removal and joint inspections to extend roof lifespan, particularly for properties exposed to Cornwall's coastal weather patterns.
Questions
How long does a flat roof last?
Lifespan varies by material: single-ply (25-40 years), fibreglass (20-30 years), felt (10-20 years), and liquid systems (15-25 years) with proper maintenance.
Is a flat roof suitable for Cornwall's weather?
Modern materials like fibreglass and EPDM withstand coastal rain, wind, and salt air. We specify corrosion-resistant systems designed for Cornwall's maritime climate.
Do flat roofs leak more than pitched roofs?
Properly installed flat roofs with correct drainage perform as well as pitched roofs. Leaks typically result from poor workmanship rather than design flaws.
Can I walk on my flat roof?
Yes, with appropriate reinforcement. We install non-slip finishes for terraces and strengthen decking for regular foot traffic during initial installations or retrofits.
Do I need planning permission for a flat roof?
Most replacements don't require permission, but listed buildings or conservation areas may need approval. We handle building control applications through the Competent Roofer scheme.
Can you repair existing flat roofs?
We often re-cover damaged roofs with liquid systems or new felt. Full replacement becomes cost-effective when decking shows extensive rot or structural damage.