You've asked, we've delivered!
The GRS-DUO-15 has been designed to prevent air leakage at pipework penetrations behind a radiator that is plumbed with 15mm flexible plastic barrier pipework.
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Interlocking Plain Tile Verge
Introducing the all-new Interlocking Plain Tile dry verge system, with its innovative split fixing plate and unique new eaves closure design.
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Proudly designed and manufactured in the UK
An extensive range of high quality products made at our Derbyshire manufacturing site using state of the art design, tooling and production skills.
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HAVE YOU MADE THE SWITCH YET?
The 10mm GRS-DUO radiator pipe guide and seal ensures a quick and easy fit every-time. Offering improved positioning and fixing versatility along with a more robust seal to further ensure that air leakage behind every radiator is drastically reduced.
Watch Video NowInnovative & Award-Winning Building Products from Manthorpe
Manthorpe has been developing innovative building products for the construction industry for over 35 years.
Our comprehensive range of quality building products is designed to meet your every need, from groundwork to roofline, from new build to refurb.
With extensive experience in the plastics industry, we have the expertise to manufacture virtually all our building products in-house and continue to invest heavily in new technology and cutting edge machinery and production processes.
This enables our team to be at the forefront of product development, driving industry progress through precision and innovation.
Discover Our Building Products
Manthorpe’s building product portfolio is comprehensive, multi-award-winning and ever-growing, with new product development ongoing within our in-house R&D Department.
Our product range covers roofing, floor and wall ventilation, cavity trays and barriers, loft access doors and a range of access panels, drainage and much more.
Browse the categories below to view our extensive range of building products:
British Made Building Products
Manthorpe is a well-respected designer, manufacturer and supplier of plastic injection moulded, vacuum formed and extruded products for the building industry.
The majority of our products are manufactured in the UK, providing our customers with full confidence in their high quality and robustness, and removing any supply chain concerns.
Manthorpe ensures that products are independently tested when required via independent testing organisations, such as Building Research Establishment (BRE) and Warringtonfire, to meet British standards and to achieve relevant accreditations.
Our close relationships with independent and national merchants ensure that our building products are available to purchase from a wide range of outlets throughout the UK.
Visit our contact us page to find details of your local Area Sales Manager, who can advise you of your nearest stockist.
Our Products
Manthorpe’s product portfolio is comprehensive and new product development is ongoing through our in-house R&D Department. Browse the categories below to view our extensive product range:
All Products
Comprehensive product portfolio & ongoing new product development through in-house R&D.
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Roofing
Quality roof ventilation products to increase airflow and combat the build-up of high levels of condensation.
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Wall & Floor Ventilation
Ventilation products to provide airflow into the underfloor void, a breeding ground for mould and stagnant air.
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Cavity Trays, Closers & Barriers
Provide protection from water ingress below roof abutments and restrict the spread of smoke and flames.
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Loft & Access
Products designed for quick & easy entry into the roof space whilst providing an insulated barrier & air tightness.
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Rainwater & Drainage
Direct rainfall captured by the roof away from the building and drainage channels to prevent surface water build up.
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Environmental
Prevent water ingress into homes & conservation products to reduce the impact of buildings within the natural environment.
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Air Leakage
Products designed to tackle heat & air leakage enabling house builders to achieve the targets for modern, energy efficient homes.
View ProductsLatest News
BIM Model Available for GRS-DUO-15 Radiator Pipe Guide & Seal
Manthorpe Building Products has completed a detailed BIM (Building Information Modelling) model of its GRS-DUO-15 Radiator Pipe Guide & Seal, now
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Grow a Mo and Raise Dough with Manthorpe this Movember
This November, Manthorpe Building Products is proudly joining forces with our parent company Genuit Group to raise vital funds and awareness for
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Supporting Polypipe Civils and Green Urbanisation
Maddie Rose - Quacky Races We had a quacking good time at the 'The Quacky Races' for the Maddie Rose Campaign hosted by Polypipe Civils and Green Urba
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Macmillan Coffee and Cake Morning
It's no secret that Manthorpe Building Products is committed to giving back to the community in meaningful ways. This Friday the 29th, we hosted our
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Manthorpe Building Products turns yellow for Maddie Rose Day
We will join others across the supplier and merchanting sector and broader construction industry to turn the industry’s social feeds yellow. The
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Anthony Wood joins Manthorpe as our New BDM
We are delighted to welcome Anthony Wood who joins Manthorpe Building Products as our New Business Development Manager. He joins us with a wealth
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Manthorpe - Support SIMIAN Warrington
Manthorpe Building Products are pleased to be working with the lead roofing lecturers, marketing team and students at SIMIAN located in Warrington.
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Building a Better Future for Swifts: BBC Radio Derby Visits Manthorpe Building Products
Today, we're excited to share the recent visit of BBC Radio Derby to Manthorpe Building Products, where they explored the fascinating world of swift n
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Manthorpe Embraces Pride Month: Colleagues Show Support with Rainbow Laces
June is LGBT+ Pride Month which is celebrated annually to honour the 1969 Stonewall riots and works to achieve equal justice and equal opportunity fo
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Introducing Manthorpe Building Products’ Latest Ventilation Solutions: 2-in-1 and 3-in-1 Ventilators
Image shown: G1296 3-in-1 Ventilator. Our new 2-in-1 and 3-in-1 Ventilators have been designed with some advantageous new features all of which c
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GRS-DUO-15 'Launched' at NMBS Exhibition
Manthorpe Building Products had a highly successful exhibition at the NMBS Show 2023, where we showcased our latest development in the GRS range, the
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GRS-DUO-15 – demand continues to grow.
GRS-DUO-15 – demand continues to grow. At Manthorpe Building Products, we prioritise building strong relationships with our local merchants. As the
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From our first foray into the building industry through to our latest product innovations, Manthorpe Building Products has grown year on year thanks to a philosophy of continuous investment and development.
Read moreQuality
At Manthorpe we pride ourselves on our high quality standards, not just for the products that we produce; but for our design, manufacture, sales and delivery processes as well.
Read moreInnovation
Innovation has always been at the core of the company. From new technology investment to in-house research and development, Manthorpe is constantly looking ahead to meet the needs of the industry.
Read moreAssociations
Manthorpe Building Products is an associate member of the following organisations:
