Designed for plain tiled roofs, this low-profile roof tile vent provides effective ventilation directly into the roof space or can connect to a ducted ventilation system within the building. It replaces two plain tiles to maintain a continuous roofline and uses three drainage channels to direct rainwater safely away from the opening. Lightweight, uv-stabilised polypropylene construction and broad tile compatibility make it practical to handle and install. Features & benefits: suitable for plain tiled roofs with a minimum pitch of 35 . Provides a free ventilation area of 6,100mm . Replaces two plain tiles to maintain a continuous visual appearance across the roof. Three drainage channels guide rainwater back onto the roof and away from the vent opening. An internal grille helps prevent entry by large insects, vermin and debris. Uv-stabilised construction supports continuous exposure to sunlight. Lightweight design makes the vent easy to handle during installation. Compatible with redland rosemary, marley plain, russell traditional plain and sandtoft humber plain tiles. The optional 110mm flexi-pipe rtv-kit1 can assist connection to a ventilation duct or soil vent pipe. The optional rtv-adp plain adaptor connects the vent to 110mm ductwork and works with rtv-admulti for 100mm, 110mm, 125mm or 150mm ducts. The top is made from uv-stabilised coloured injection-moulded polypropylene, with a black injection-moulded polypropylene base. Colour: grey