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      Designed for 15mm pipework commonly used for central heating systems in modern buildings where Air and Ground Source Heat Pumps are installed.

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        Designed for 15mm pipework commonly used for central heating systems in modern buildings where Air and Ground Source Heat Pumps are installed.

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      • GRS-DUO-15 - You've asked, we've delivered!

        Designed for 15mm pipework commonly used for central heating systems in modern buildings where Air and Ground Source Heat Pumps are installed.

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        • GRS-DUO-15 - You've asked, we've delivered!

          Designed for 15mm pipework commonly used for central heating systems in modern buildings where Air and Ground Source Heat Pumps are installed.

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        • GRS-DUO-15 - You've asked, we've delivered!

          Designed for 15mm pipework commonly used for central heating systems in modern buildings where Air and Ground Source Heat Pumps are installed.

          Find out more >

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        • GRS-DUO-15 - You've asked, we've delivered!

          Designed for 15mm pipework commonly used for central heating systems in modern buildings where Air and Ground Source Heat Pumps are installed.

          Find out more >

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        • GRS-DUO-15 - You've asked, we've delivered!

          Designed for 15mm pipework commonly used for central heating systems in modern buildings where Air and Ground Source Heat Pumps are installed.

          Find out more >

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        • GRS-DUO-15 - You've asked, we've delivered!

          Designed for 15mm pipework commonly used for central heating systems in modern buildings where Air and Ground Source Heat Pumps are installed.

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      Products & Systems

      Floor and Wall ventilation – easy to install

      Wall ventilation and floor ventilation, as stipulated in Part C of the Building Regulations, are essential in preventing the build-up of stagnant...

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      Products & Systems

      Cavity Trays, Closers & Barriers

      Cavity Trays provide protection from water ingress below roof abutments with Cavity Closers acting as a thermal break for...

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      Products & Systems

      Loft access doors, ladders & access panels

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      Products & Systems

      Drainage

      Drainage channels to prevent surface water build up.

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      Products & Systems

      Environmental

      Flood defence products designed to prevent water ingress into homes and conservation products to help reduce the impact of...

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      Products & Systems

      Air Leakage

      Products designed to tackle heat and air leakage enabling house builders to achieve their targets for modern, energy efficient...

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      Mike Challinor, Manthorpe R&D Director being presented with award from Maggie Philbin
      News
      27/06/2019

      Housebuilder Product Award for Underfloor Vent

      We are delighted to have been successful at the 2019 Housebuilder Product Awards.

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      Gareth Wright, Sales Director and Mike Challinor, R&D Director on stage being presented with award by Dara O'Brien at black tie event
      News
      29/10/2019

      Highly Commended at Housebuilder Awards

      On 24th October leading companies in the house building sector headed to The O2 arena for the Housebuilder Awards 2019.  

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      Products & Systems

      Loft Access Door

      Product code GL250
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      Products & Systems

      Loft access door - 25mm EPS insulation

      Product code ABC-1
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      Products & Systems

      Loft access door - 50mm EPS insulation

      Product code ABC
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      Installed, Black Dual Extended Telescopic Underfloor Vent with Terracotta Air Brick
      News
      05/04/2019

      Manthorpe Underfloor Ventilation Wins Coveted Product Award

      We are delighted to have been successful at the 2019 Housebuilder Product Awards, winning the category for Best Building Fabric Product with our...

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