Metallic upstands for continuous ventilation Metallic finned upstands are designed with the purpose of a continuous natural ventilation. Made of galvanized steel, prepainted steel or aluminium, they are resistant to stresses and suitable for outdoor installation. An anti-insect net is installed in the internal side to prevent possible intrusions. These upstands are custom made and can be paired with all monobloc domes, continuous skylights or tunnels. D A - Clear span B - External support wall D - Wall opening Every upstand can fit to our domes and opening device systems in order to get an excellent natural illumination, a great daily ventilation system and/or a smoke and heat exhaust ventilation system. See also: / Natural zenithal illumination / Smoke and fire exhausting systems / Accessories CAODURO® S.p.A. Via Chiuppese, 15, 36010, Cavazzale (VI), Italy Phone +39 0444 945959 - Fax +39 0444 945164 [email protected] - www.caoduro.it