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Manthorpe tile ventilators help specifiers control moisture in buildings
- Specify & Build
- Jul 17
- 2 min read
The latest government initiatives aimed at reducing carbon emissions in buildings can have a direct and significant impact on the risk of condensation. For example, tighter building envelopes with enhanced insulation and airtightness are effective in reducing heat loss and energy consumption, but they can also trap moisture inside buildings.
The adoption of high-efficiency heating, ventilation, and air conditioning (HVAC) systems, while contributing to energy savings, may alter the temperature and humidity dynamics within buildings, especially if the system is poorly balanced or incorrectly maintained. This all means that good quality ventilation of the structure – as well as the living space – is more important than ever to ensure effective moisture control.
Manthorpe’s roof tile ventilators are a practical and efficient solution to addressing the ventilation needs in roof structures. The Manthorpe In-line ventilator range includes:
Non-profiled tile ventilators to suit most large format flat interlocking tiles.
Mid and large-format profile ventilators to suit common tile shapes, including 15x9 castellated tiles and single concrete pantiles.
An interlocking plain tile ventilator for use with small-format twin plain tiles. This ventilator features a sliding mechanism that can adjust its width to suit all three styles of interlocking plain tiles: Redland DuoPlain, Marley Ashmore and Forticrete Gemini.
A plain tile ventilator to suit traditional double lapped plain tiles.
A large format 600x300mm slate ventilator, which can also be used for 500x250mm slates by trimming the adjacent slates. There is also a small format 500x250mm slate ventilator, which can be used with slates down to 400 x 200mm.
Manthorpe’s in-line ventilators are available in a wide range of colours, including textures to suit sand-faced tiles. They provide a quick and simple solution to roof space ventilation, mechanical extraction, and soil stack ventilation.
The entire range of roof tile and slate ventilators has been tested and certified by the British Research Establishment (BRE) for resistance to rain penetration in accordance with CEN Standard FprEN 15601. The test conditions represent typical worst-case conditions expected in northern Europe during a 50-year return period. The testing showed the weathertightness performance of the ventilators to be better than that of the surrounding tiles.
BRE has also measured the ventilators’ aerodynamic characteristics under various air flow conditions, which means Manthorpe can provide accurate data to designers of mechanical extraction systems.
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