Metal ventilation grill LTA

rectangularinteriordoor

Light screening transfer grille for wall or door mounting LTA is a rectangular grille for installation in walls or doors. It is used as a supply or transfer air diffuser between rooms where light transmission is not desirable Light-blocking The LTA is supplied made of anodized aluminium as standard. Two ventilation grilles with black paint finish are enough for dark room walls Telescopic counter flange Technical description Design The LTA is a light-blocking grille produced in two different variants. The LTA 1 consists of a package with angled louvres mounted in an outer framework. The outer frame has countersunk screw holes. The LTA 2 consists of a louvre package. Materials and surface treatment The entire grille is made of extruded aluminium profiled sections with an anodized finish. • Alternative standard colours: - Silver gloss, lustre 80, RAL 9006 - White semi-gloss, lustre 40, RAL 9010 - White semi-gloss, lustre 40, RAL 9003/NCS S 0500-N - Grey aluminium gloss, lustre 80, RAL 9007 - Black semi-gloss, lustre 35, RAL 9005 - Grey semi-gloss, lustre 30, RAL 7037 • Other colours available on request. Accessories Counterflange: LTAT 1. Telescopic counterflange: Serves as a wall sleeve. Project planning Primarily used as transfer diffusers in walls through which it is desirable to prevent the passage of light. By installing two grilles with black paint finish in a series, they can be used in a so-called dark room wall. See Figure 1.