lindab | we simplify construction Grille WLA Description WLA is an aluminum weather louvre fixed blades with pitch 25 mm, pitch 50 mm or pitch 100 mm suitable for outdoor air intake and air outlet discharge provided with protection net against birds or insects. Optionally available with visible screw holes fixing or mount- ing frame. Delivery as standard with bird net. Order code Product WLA a b Type WLA Frame 1 - 25 mm frame 2 - 40 mm frame 3 - 50 mm ramme Grid 1 - 25 mm pitch ONLY frame 1 2 - 50 mm pitch ONLY frame 2 3 - 100 mm pitch ONLY frame 3 Installation - Not prepared C Clips ONLY frame 1 CM Clips + mounting frame ONLY frame 1 V Visible screw holes VM Visible screw holes + mounting frame Accessories - No accessories N Bird net I Insect net NI Bird net + insect net Size L: Min. 200 - max. 2000 mm H: Min.100 - max. 2050 mm See min. - max. dimension table Grilles standard finish: - Anodized aluminium 9010 RAL 9010, gloss 30 9003 RAL 9003, gloss 30 xxxx On request, other RAL colour c d eee x fff ONLY frame 1 ONLY frame 1 gggg Example 1: WLA-11-CM-N-1000-200- 9003 Example 2: WLA-22-V-I-1200-1000 Min. - max. dimensions WLA-11 (Only frame 1). H L 200 100 1200 WLA-22 (Only frame 2). H L 400 250 1200 2000 2000 WLA-33 (Only frame 3). H L 400 250 2000 2050 Standard grilles are available in steps of 50 mm within the above min. and max. sizes. Customized sizes available on request. Multiple parts assembly ( For frame 2 ): L x B : 2001 - 4000 x 100 - 800 mm. Maintenance The grille should be removed to gain access to the plenum box or duct. The external parts should be wiped with a damp cloth. Accessories Bird net: Insect net: Mounting frame (For frame 1): Mounting frame (For frame 2 and 3): N I MFA M Materials and finish Grilles frame and blades: Bird net: Insect net: Mounting frame: Aluminium Galvanized steel Fiberglass Galvanized steel Grilles standard finish: - Anodized aluminium - RAL 9003, gloss 30 (Frame 1) - RAL 9010, gloss 30 (Frame 1) The grille is available in other colours. Please contact Lindab's sales department for further information. 2 Lindab reserves the right to make changes without prior notice 2022-06-17
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