Business Details
50+ Years
experience
Trusted Roofing Products Manufacturer in Castleford
Established in 1970, Celstone Concrete Roofing Products has built a reputation as a trusted manufacturer of high-quality concrete and glass fibre reinforced cement (GRC) roofing solutions. As an extension of a long-standing family roofing business, we transitioned to our current identity in 2000, consolidating expertise from our sister company to specialise in innovative roofing products. Our directors bring decades of industry experience, with affiliations to professional bodies like the National Federation of Roofing Contractors. We produce a comprehensive range of ridges, slates, ventilation tiles, and ornamental features using advanced manufacturing techniques combined with traditional craftsmanship. Our concrete ridges are available in multiple finishes and angles, while our handmade GRC slates replicate the aesthetic of natural quarried materials at a fraction of the cost.Technical specifications meet British Standards, including fire resistance, durability, and compliance with ventilation regulations. We cater to architects, builders, and specifiers seeking reliable, cost-effective alternatives to traditional roofing materials amid global supply challenges. Our products are engineered for longevity, with a predicted lifespan exceeding 50 years, and are available in custom colours and designs. With manufacturing facilities in Castleford, we serve clients across the UK, offering technical support and tailored solutions for residential and commercial projects.
Services
Concrete ridges
GRC slates
Ventilation tiles
Custom finials
Lintels
Details
- Year established: 1970
Highlights and features
- We offer 50+ years of combined manufacturing expertise
- Our products meet British Standards BS473/550 and BS5250
- Custom colour and design options available
- Technical support from industry-qualified professionals
- Sustainable alternatives to scarce natural materials
Services
Concrete ridges
Our concrete ridge tiles combine modern manufacturing with traditional craftsmanship. Available in 3' and 18' lengths with various angles and finishes including acrylic coating or granular textures. These durable ridges meet BS5534 standards and provide weatherproof solutions for pitched roofs.
GRC slates
Handmade glass fibre reinforced cement slates replicate natural quarried materials. Available in Welsh Grey, Lakeland Green, and custom colours, these lightweight slates offer 50+ year durability while maintaining traditional aesthetics at reduced costs.
Ventilation systems
Compliant ventilation solutions including air vent ridges and gas terminals. Our systems provide 7,200-14,000mm free air flow per unit, meeting BS5250 standards with aluminium mesh grills and 110mm spigot connections for mechanical adaptation.
Custom finials
Tailored decorative ridge solutions crafted to client specifications. Our bespoke manufacturing process creates unique cresting and finial designs that maintain architectural heritage while using modern materials.
Lintels
Precast GRC lintels that replicate traditional brick textures. Using advanced moulding techniques and colour-fast pigments, these lintels offer cost-effective structural support with authentic aesthetic finishes for modern construction projects.
Questions
What materials do you use for your roofing products?
We use concrete and glass fibre reinforced cement (GRC) with alkali-resistant fibres and colourfast pigments for long-lasting durability and aesthetic appeal.
Can you match specific colour requirements?
Yes, we offer standard colours including Welsh Grey and Lakeland Green, with bespoke options available to match specific project requirements.
Are your products compliant with building regulations?
All products meet relevant British Standards including BS473/550, BS5250, and Class O fire resistance requirements for UK construction.
Do you supply to both trade and private customers?
We primarily supply to architects, builders, and roofing contractors but also work directly with private clients on bespoke projects.
What is the expected lifespan of your products?
Our GRC products have a predicted lifespan of 50 years or more, with UV resistance and weathering performance validated through extensive real-world testing.
How are products delivered and stored?
Products are delivered in crates and should be stored covered and dry on site prior to installation to maintain optimal condition.
