Thompson's Water Seal - 1L 
The rafter tray is designed to maintain a clear path of air into the roof void in the eaves to prevent the build-up of condensation. Specified by many builders. It offers a ventilation air path into the roof, which critical to prevent roof-space condensation is maintained to ensure that space is not blocked by roof insulation. Suitable for new build and refurbishment work. Roll Out Rafter trays are a simple but effective way of preventing loft insulation from being pushed up to the underside of the roofing underlay and will maintain a clear ventilation path into the roof void from the eaves.
Accommodates 400mm to 600mm rafter centres
25,000mm2/m airflow
Flexible to suit uneven refurbishment details
