The Timloc rafter roll 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. Dimensions: Depth - 25mm Width - 600mm Length - 6m Benefits Efficient secondary roof ventilation product Easy to install Durable, totally resistant to decay and easy to fit Supplied in convenient 6m rolls Applications For new build and refurbishment projects For pitched roof eaves ventilation On roofs with spacings of between 400mm and 600mm centres Single row of 600mm roll panel coverage suitable for: Insulation depth - 225mm with a minimum roof pitch of 20 degrees, an insulation depth of 250mm with a minimum roof pitch of 22.5 degrees, an insulation depth of 300mm with a minimum roof pitch of 27.5 degrees and an insulation depth of 400mm with a minimum roof pitch of 37.5 degrees.