Manthorpe Building Products has received strong endorsement from Parker Plumbing & Heating Services, following the successful use of its GRS-DUO Radiator Pipe Guide & Seal range across multiple residential developments in the North of England.
With over 30 years’ experience in the plumbing and heating sector, Parker Plumbing & Heating Services has built a reputation for delivering high-quality installations across large-scale housing projects. Maintaining consistent standards across multiple sites is critical — particularly when it comes to meeting current building regulations and ensuring a professional finish.
The company selected Manthorpe’s GRS-DUO and GRS-DUO-15 systems for use throughout its first and second fix processes, where both compliance and installation efficiency are key.
“At Parker Plumbing & Heating Services, maintaining the highest standards across every aspect of our work is non-negotiable,” said Steve Parker, Managing Director.
“The twin plate system works perfectly with our first and second fix process, the air seal performance is exactly what's required under current building regulations, and the finish is clean and professional every time.”
The GRS-DUO range is designed to provide an effective air seal around radiator pipe penetrations, helping to support compliance with Approved Document L requirements while also delivering a neat, consistent finish.
For Parker Plumbing & Heating Services, the reliability of the product has been a key factor in its continued specification.Manthorpe’s GRS-DUO system continues to be specified across a wide range of residential developments, supporting contractors with practical installation benefits alongside regulatory performance.