With over 30 years experience in the plastics industry we manufacture virtually all our products in-house and in recent years we have invested extensively in technology and cutting edge machinery.
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Manthorpe Building Products is a leading designer, manufacturer and supplier of plastic injection moulded, vacuum formed and extruded products for the building industry, with extensive product ranges available throughout the UK.
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Roofing Underlay - breathable membrane
Breathable roofing underlays are designed to be used as part of a complete roof construction to help resist the passage of water and wind-...
GRP Valley Troughs – the ideal alternative to lead
GRP Valley Troughs provide an excellent alternative to traditional lead troughs. As well as being more cost-effective, they have a long life...
Dry ridge systems, dry verge and dry fix roofing
Manthorpe has developed a range of dry verge, dry fix roofing and dry ridge systems that provide more robust, cost-effective alternatives to...
Roof ventilation – solutions for a modern-day problem
Roof ventilation has always been critical in letting a house or building ’breathe’ and ensure that roof spaces don’t gather moisture and...
Roof tile vents and slate vents – let it flow
Roof tile vents and slate vents need to facilitate essential airflow in the roof space without spoiling the kerb appeal of properties....
Drop down loft hatches – innovation and insulation
Drop down loft hatches and doors may not appear to be an area where there’s much room for innovation, but Manthorpe’s drop down loft hatches...
Fire rated loft hatches – 1 Hour Resistance
A fire rated loft hatch provides an extra level of reassurance in situations where fire security is paramount. Manthorpe’s fire rated loft...
Push-up loft hatches – modern secure designs
Our push-up loft hatches are manufactured in cost-effective modern plastic moulding, making them a contemporary replacement for traditional...
Loft Ladders
The multi section loft ladders are a cost-effective solution to domestic loft access when combined with a drop-down loft access door. The...
Plastic access panels – for commercial and domestic use
Manthorpe’s plastic access panels are available in a range of sizes, both square and rectangular, from 100 x 150mm up to 450 x 450mm....
Fire rated access panels – 1 hour rating
Fire rated access panels provide additional protection in scenarios where standard panels may not meet the required specification. Manthorpe...
Tile access panels – Discreet solution to an obvious problem
Tile access panels allow quick and easy access to hidden utilities within the bathroom space. Modern bathroom design often calls for...
Non-Combustible Underfloor Ventilation
Manthorpe Building Products offers a range of non-combustible underfloor vents designed to provide a clear, unobstructed airflow passage to a...
Thru...air® build in, telescopic airbrick system
Designed to provide a ventilation outlet/inlet using a 4, 5 or 6 inch diameter telescopic pipe to a Manthorpe double or...
Underfloor Ventilation
Underfloor ventilation is a vital component in ensuring airflow for voids under suspended concrete and timber floors and ongoing changes to the...
Air brick vents – better airflow
Air bricks are a key component in many ventilation systems; a lot of time and effort can be compromised if this element of the installation isn...
Weep vents – drainage and airflow
Weep vents provide essential ventilation for the internal wall cavity and drainage of water that may have entered the cavity through...
5" Core Drill Vents
The 5" core drill vents are designed for use when ventilating a gas appliance or supplying general through wall ventilation. Using a standard 5...
Wall Mounted Grilles
Designed to act as internal grill covers for a range of different ventilation solutions. Available in an array of different colour and material...
Cavity barriers – award-winning products
Manthorpe’s REDSHIELD® cavity barriers do away with the traditional need for multiple elements to be brought together to form a single cavity...
Rigid Frame Formers
The Manthorpe rigid frame formers are a faster, more efficient, more cost effective alternative to made-on-site timber equivalents. The units...
Cavity trays for moisture drainage
A cavity tray provides a barrier within a cavity wall, to prevent the ingress of moisture into the inside of the building, resulting in damp...
Cavity closers to control moisture build-up
Thermal cavity closers prevent heat loss at key potential weak points in the cavity construct, at door and window reveals – heat loss that is...
TDI Cavity Closers
The TDI range of thermal and fire rated cavity closers are available for various details and help to reduce heat loss and condensation build up...
Channel drainage – modular, easy install and low maintenance
Efficient and effective channel drainage not only prevents potential damage from standing water but also maintains the aesthetic...
Flood Defence
Urban flooding over the past decade has caused millions of pounds of damage and insurmountable heartache to homeowners across the UK. Local...
Swift Nesting Brick
The Swift Brick has been developed to provide a safe, spacious and habitable area to allow swifts to nest within the well-built construction of...
Radiator pipe guides and seals – increased thermal efficiency
Manthorpe’s radiator pipe guides and seals create an impermeable barrier at the point where radiator pipes meet and pass through walls...
Joist seals in a wide range of sizes and permutations
Joist seals – another innovative product from Manthorpe designed in response to the evolving building regulations. Our joist seals are designed...
Service
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.
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