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Business Details
18 Years
experience
Trusted Roofing Contractors in Truro
Established in 2008, Marnick Roofing has built a reputation as one of Cornwall's leading roofing contractors, serving commercial, construction, and domestic markets. Our team of 34 professionals, supported by over 40 years of combined industry experience from our directors, delivers high-quality pitched and flat roofing solutions. We specialise in natural slate, reclaimed Delabole slate, single ply membranes, and green sedum roofs, adhering to rigorous standards through our membership of the National Federation of Roofing Contractors.

Our commitment to excellence is reinforced by comprehensive guarantees of up to 25 years, backed by insurance for material, labour, and insolvency cover. Working with major construction firms across Cornwall, we combine technical expertise with a client-focused approach, ensuring projects are completed efficiently and to exacting specifications. With showrooms and a proven track record of successful installations, we remain Cornwall's premier choice for reliable, long-lasting roofing solutions.
Services
Natural Slate Roofing Reclaimed Delabole Slate Single Ply Roofing Green Sedum Roofs Concrete Interlocking Tiles Leadwork Installation Liquid Roofing Systems Metal Sheet Roofing Shingle Installation Grass Roof Solutions
Details
  • Year established: 2008
Highlights and features
  • We have 14 years of local experience with directors holding 40+ years of combined industry expertise
  • Our team of 34 professionals delivers projects for major construction firms across Cornwall
  • We offer 25-year insurance-backed guarantees on selected roof systems
  • Specialist Natural Slate solutions installed by certified experts
  • Comprehensive service portfolio covering heritage and modern roofing requirements
Associations and certifications
  • National Federation of Roofing Contractors
What people say
Professional team High-quality work Reliable service Expertise demonstrated Successful project completions
Services
Natural Slate Roofing
We specialise in durable natural slate roofing using premium materials from global sources. Our expert installers ensure watertight, long-lasting roofs that complement traditional architecture. With 14 years of local experience, we deliver solutions that combine heritage aesthetics with modern performance standards for both residential and commercial properties.
Green Sedum Roofs
Our eco-friendly green sedum roofs provide insulation, biodiversity, and aesthetic benefits. Designed to meet modern sustainability requirements, these systems create wildlife habitats while enhancing property value. As Cornwall's leading provider, we ensure each installation meets specific structural and environmental considerations with precision.
Single Ply Membranes
We install lightweight, flexible single ply roofing systems ideal for commercial and domestic flat roofs. These durable membranes offer excellent weather resistance with minimal disruption during installation. Our certified technicians ensure seamless application, providing long-term protection against Cornwall's variable climate conditions.
Reclaimed Delabole Slate
Specialising in reclaimed Delabole slate, we restore historical authenticity to period properties. This locally-sourced material offers centuries-old durability with unique aesthetic character. Our team carefully selects and installs each slate to preserve architectural integrity while meeting contemporary performance expectations for longevity and weatherproofing.
Concrete Interlocking Tiles
We provide cost-effective concrete interlocking tile solutions combining durability with practicality. As the UK's most common roofing material, these tiles offer versatile design options with guaranteed performance. Our installations ensure optimal weather resistance and structural integrity for new builds and roof replacements across Cornwall.
People
Paul
Natural Slate Expert
Paul leads our natural slate operations with specialist knowledge gained over 14 years. He oversees material selection, technical specifications, and quality control for heritage and modern slate installations across Cornwall's diverse architectural landscape.
Questions
What roofing services do you offer in Cornwall?
We provide natural slate, single ply, green sedum roofs, concrete tiles, leadwork, and liquid roofing solutions for commercial, construction, and domestic clients across Cornwall and the South West.
Do you offer guarantees on roofing installations?
Yes, we provide 10-25 year guarantees depending on roof system, with insurance-backed options covering materials, labour, and insolvency protection for complete peace of mind.
How experienced is your team?
Our 34-strong team includes directors with 40+ years combined industry experience. We've specialised in Cornwall's roofing market since 2008, working with major construction firms on complex projects.
Can I visit your showroom?
Yes, our Truro showroom displays full roofing systems including natural slate, single ply membranes, and green roof solutions. Book an appointment through our website for personalised consultations.
Do you work with commercial clients?
We partner with leading construction firms across Cornwall, delivering pitched and flat roofing solutions for new developments and refurbishment projects with guaranteed deadlines and quality assurance.