The Forticrete SL8® Air Vent Tile Kit provides a discreet, aesthetically pleasing solution to roof space ventilation, offering a free vent area of 12275mm2. The SL8® Air Vent Tile Kit from Forticrete has been specifically designed for use with the Forticrete SL8® concrete tile range. The vent terminal is available in red, brown, grey and rustic, allowing you to choose the perfect colour match for your roof tiles. When installing the Forticrete SL8® Air Vent a minimum spacing of 600mm should be kept between vent tiles in any direction. The Vent tile should be nailed into place and secured using one tile clip in accordance with BS 5534. The Forticrete SL8® roof tile manages to combine all of the visual characteristics of natural slate, whilst also ensuring superior features compared to other interlocking tiles on the market. Components SL8® Vent Terminal Felt Weir Product Specification Free Vent Area: 12275mm2Minimum Spacing: 600mmPitch Limits: 25° - 55°Colour: Grey