Business Details
41 Years
experience
Trusted PVCu Window & Door Manufacturer in Belfast
Established in 1985, Dessian Products has built a reputation for excellence in manufacturing high-quality PVCu windows, doors, and conservatories using REHAU profiles. With over four decades of experience, our Belfast-based operations combine cutting-edge technology with a skilled workforce to deliver products that meet rigorous standards, including ISO certification, Kitemark approval, and Secured by Design accreditation. Our commitment to innovation ensures energy-efficient solutions, such as A-rated Window Energy Ratings and triple-glazed units achieving U-values of 0.8W/mK. We serve a diverse clientele, from trade installers and house builders to municipal authorities and housing associations across the UK and Ireland. Our partnership with REHAU, spanning 30 years, underscores our role as one of their largest and most trusted fabricators. Backed by a state-of-the-art 70,000 sq. ft. facility, we provide comprehensive support, including technical expertise, marketing assistance, and nationwide delivery.Our Satellite business management software enhances operational efficiency for clients, while our dedicated customer service team ensures seamless order management and problem resolution. Recognised for reliability and precision, we prioritise value for money without compromising on quality or security. Our mission remains to exceed customer expectations through continuous improvement, fostering a culture where employee contributions drive excellence in every product and service we deliver.
Services
PVCu Windows
Security Doors
Conservatories
Online Ordering System
Technical Support
Details
- Year established: 1985
Highlights and features
- We offer 40 years of expertise in PVCu window and door manufacturing.
- Our products are ISO-certified and meet Kitemark and Secured by Design standards.
- We maintain a 30-year partnership with REHAU, a global leader in profile systems.
- Our state-of-the-art Belfast facility ensures precision and efficiency in production.
- We deliver nationwide across the UK and Ireland with a dedicated logistics team.
Associations and certifications
- ISO
- Kitemark
- Secured by Design
What people say
Excellent products
Professional service
Reliable delivery
Expert technical support
Long-term partnership
Services
PVCu Windows
Our REHAU TOTAL70 window systems combine thermal efficiency with modern design, offering Document L compliance, integral black gaskets for security, and a 10-year guarantee on white profiles. Available in chamfered or sculptured styles, they meet Window Energy Ratings of A-C and support triple-glazed units for enhanced insulation. Backed by BSI registration to BS 7412 and PAS 24 standards, these windows ensure durability and performance for residential and commercial properties.
Security Doors
Dessians PVCu doors feature multi-point locking systems and Secured by Design accreditation, providing robust security for homes and businesses. Available in contemporary and traditional designs, they include options like French doors, sliding doors, and stable doors with tilt-and-turn functionality. Manufactured to PAS 23/24 standards, these doors balance aesthetic appeal with compliance for safety and energy efficiency.
Conservatories
We supply glazed frames and conservatories in Edwardian, Victorian, Lean-To, and custom designs, tailored to complement both modern and traditional properties. Our systems integrate with REHAU profiles for thermal performance and structural integrity, ensuring year-round usability. Ideal for expanding living spaces while maintaining energy efficiency and aesthetic harmony with existing architecture.
Online Ordering System
Our Satellite business management tool streamlines operations for trade clients, enabling professional quotations, job cost analysis, and instant glass sizing calculations. The platform supports order management, invoice generation, and multiple quote options, enhancing efficiency for installers and builders. Designed to integrate seamlessly with our manufacturing processes, it reduces administrative overhead while ensuring accuracy in project delivery.
Technical Support
Our team provides expert guidance on product specifications, SBD compliance, thermal performance, and building regulations. With decades of combined experience, we offer tailored advice on REHAU profile applications, ensuring clients meet project requirements. Access to technical documentation and direct support from our Production & Technical Manager ensures clarity and confidence in every installation.
People
Stephen Sproule
Chairman
Stephen leads Dessian Products with strategic vision, leveraging decades of industry experience to drive growth and maintain high manufacturing standards. His leadership ensures alignment with long-term business goals and client satisfaction.
Stephen Thurley
Production & Technical Manager
Stephen oversees production and technical operations, ensuring compliance with ISO, Kitemark, and Secured by Design standards. His expertise in REHAU profile systems guarantees precision in manufacturing and client support.
Sarah Drysdale
Marketing Manager
Sarah drives marketing initiatives to support client growth, offering strategic insights and promotional resources. Her focus on market trends enhances Dessians visibility and competitive edge in the PVCu sector.
Lee Dempster
Customer Services Manager & Sales Manager, Ireland
Lee manages customer service and sales in Ireland, ensuring prompt resolution of queries and tailored support. His approach prioritises client relationships and operational efficiency across the region.
John McDermott
General Manager, Dessian Scotland
John leads Dessian Products Scotland, overseeing operations and client relations. With a focus on quality and reliability, he ensures seamless delivery of products and services to Scottish markets.
Questions
What types of windows does Dessian Products manufacture?
Dessian Products produces REHAU TOTAL70 PVCu windows in casement, tilt-and-turn, fully reversible, and flush-fit styles, all designed for energy efficiency and security.
Are Dessian Products's products certified for security?
Yes, our windows and doors meet Secured by Design standards and PAS 24 compliance, ensuring robust security for residential and commercial properties.
Do you supply conservatories?
Yes, we offer conservatory solutions in Edwardian, Victorian, Lean-To, and custom designs, compatible with REHAU profiles for thermal performance and durability.
What support tools are available for trade clients?
Our Satellite software assists with quotations, job costing, and order management, while our team provides technical and marketing support to enhance business operations.
Which regions do you deliver to?
Dessian Products delivers throughout the UK and Ireland, with a dedicated logistics team ensuring timely and reliable transportation of products.