Roofspace Ventilation

In today’s energy conscious society, one of the major problems faced by builders is the build up of high levels of condensation in the roof space. Widespread use of central heating, double glazing and insulation can cause a temperature differential between living space and the cold air outside.

Warm air, carrying high levels of water vapour, is drawn by a process of convection to cold areas of the building including the roof void. If there is insufficient ventilation the water vapour condenses, leading to rotting timbers, the rusting of metal fixtures, felt damage and mould growth. To solve this costly problem, Manthorpe manufactures a range of quality roof ventilation products which are suitable for new build and refurbishment situations.

Roofspace Ventilation: 19 Results

Manthorpe’s slim line over fascia ventilator ensures a flow of air into the roof space between the felt and the fascia board. 10,000mm² and 25,000mm² versions available. The product is designed with clear fixing points and a smooth leading edge allowing it to sit discreetly on top of the...

Manthorpe’s slim line over fascia ventilator ensures a flow of air into the roof space between the felt and the fascia board. 10,000mm² and 25,000mm² versions available. The product is designed with clear fixing points and a smooth leading edge allowing it to sit discreetly on top of the...

Manthorpe Felt Support Trays are designed to bridge the rafters and provide support for the roofing felt. It eliminates the problem of rotting felt caused by the sagging and retaining of water by the felt at low-level eaves. The 1.5m long trays can be used in both new build and refurbishment...

The Manthorpe Continuous Soffit Ventilator is designed for use with a traditional fascia board to provide roof ventilation. The UPVC strip is screwed on to the fascia and securely supports the soffit board which slots into the self-retaining mouth. Airflow is guaranteed through a series of...

The G821 Sloping Soffit Ventilator is designed to provide the solution to ventilation for sloping eaves. The angled section ensures a positive fixing to the soffit board and prevents blocking of the ventilation. Airflow is guaranteed through a series of evenly spaced slots, narrow enough to...

The Manthorpe Continuous Soffit Ventilator is designed for use with a traditional fascia board to provide roof ventilation. The UPVC strip is screwed on to the fascia and securely supports the soffit board which slots into the self-retaining mouth. Airflow is guaranteed through a series of...

The Manthorpe Continuous Soffit Ventilators are designed for use with a traditional fascia board to provide roof ventilation. Ventilation solutions available for various soffit details. The G826 Flat Roof Soffit Ventilator is designed for flat roof applications where an upright fixing is...

The Manthorpe Continuous Soffit Ventilators are designed for use with a traditional fascia board to provide roof ventilation. Ventilation solutions available for various soffit details. The G827 Flat Roof Soffit Ventilator is designed for a wide range of applications where the thick section...

Manthorpe’s Circular Soffit Vent can be slotted into the soffit board prior to installation for new build situations or just as easily retro-fitted into existing soffits. Standard fixing for this product is a simple push twist action into a 70mm hole drilled in the soffit board. The vent...

The Eaves Comb Filler provides a physical barrier to stop birds and large insects from entering the void between the felt and tiles. The product runs continuously along the top of the fascia board above the felt and is nailed into position with the fixing holes provided.

The Manthorpe Felt Lap Vent is a refurbishment product designed to increase the amount of ventilation into existing roof spaces. Usually fitted retrospectively to properties with additional loft insulation recently installed, however the Felt Lap Vent will help to combat the problem of...

The Manthorpe Flash Vent is a simple one piece roll-out, easy fit sheet that provides ventilation for abutment roof details, providing a weather-tight solution to the need for a continuous 5mm² of airflow. As it is made from just one component it is economical and easy to install. The roll-...

The Roll Panel Vents are designed to maintain a flow of air to the roof space from the eaves, thereby allowing the escape of built-up moisture. Made from a continuous single profile, the panel can be rolled out over several rafters to create a ventilated gap beneath the felt running the span...

The Roll Panel Vents are designed to maintain a flow of air to the roof space from the eaves, thereby allowing the escape of built-up moisture. Made from a continuous single profile, the panel can be rolled out over several rafters to create a ventilated gap beneath the felt running the span...

The Roll Panel Vents are designed to maintain a flow of air to the roof space from the eaves, thereby allowing the escape of built-up moisture. Made from a continuous single profile, the panel can be rolled out over several rafters to create a ventilated gap beneath the felt running the span...

The range of Cross Flow Eaves Panels are designed to provide a clear air gap between the roof felt and loft insulation in order to maintain an open airflow path into the roof space. The panels are available in a range of sizes to suit varying rafter widths and can be stacked to cover deeper...

The Flyscreen Cross Flow Eaves Panel Vents are designed for open eaves or cottage style situations and to provide a clear air passage between the roof felt and loft insulation whilst incorporating an integral flyscreen. The fly screen section consists of evenly punched openings specifically...

The Refurbishment Eaves Panel Vents are designed to maintain a flow of air to the roof space from the eaves. Designed to be used in refurbishment situations and is fitted from inside the roof space to create a clear air gap between the loft insulation and felt, its flexible hinge enables it...

The G1290 Roof Ventilation Pack provides a quick and practical solution to roof ventilation requirements at the eaves, providing all three main components for a standard eaves detail. Consisting of an Over Fascia Vent, Felt Support Tray and a Roll Panel Vent, the system is suitable for either...

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 more

Quality

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 more

Innovation

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 more