Verified by manufacturer 4 days ago
Facade mounted louvered vents
Louvred smoke vent.
mcr LAM smoke vents are an element of natural smoke exhaust systems. Their purpose is to remove smoke, hot combustion gases and heat energy outside the building.
Roof-mounted louvred vents and facade-mounted louvred vents are available. Lam Louvred Vents:
Color | Grey Other |
Finish | Galvanized Painted |
Material | Steel Aluminium Polycarbonate |
Shape | Rectangle Square |
Length | 500 mm 550 mm 600 mm 650 mm 700 mm |
Width | 800 mm 1000 mm 1200 mm 1400 mm 1600 mm |
Height | 150 mm 250 mm |
Uniclass | |
CAWS | L10/54 Louvres L10/650 Metal louvres L10/47 Roof ventilators L10/490 Roof ventilators |
Classification data | |
Standard | To EN 12101-2. |
Third-party certification | Certificate of constancy of performance in accordance with EN 12101-2. |
Mounting | Wall-mounted. |
Aerodynamic free area | Up to 6.18 m². |
Reliability classification | Re 300. Guidance for specification option: Vent with E1 electric control and C1, C2 pneumatic control. Re 1000. Guidance for specification option: Vent with C3 pneumatic control with gas spring. |
Snow load classification | SL 0. |
Low ambient temperature classification | T (-25). T (00). |
Wind load classification | WL 1500. Guidance for specification option: For all louvered vent types. WL 3000. Guidance for specification option: Vents (maximum 12 blades) of length 150 cm. WL 4000. Guidance for specification option: Vents (maximum 12 blades) of length 100 cm. |
Resistance to heat classification | B300. |
Arrangement | Louvred. |
Dimensions | |
Length | Manufacturer guidanceDimensional range of smoke vents:
Refer to the mcr LAM Technical catalogue for full list of available sizes. Insert requirements or refer to a drawing. |
Width | Manufacturer guidanceDimensional range of smoke vents:
Refer to the mcr LAM Technical catalogue for full list of available sizes. Insert requirements or refer to a drawing. |
Height | Manufacturer guidanceBase of height 150–250 mm; insert requirements. |
Controls | Electric 24 V. Pneumatic (C1). Guidance for specification option: Pneumatic opening system for smoke exhaust or aeration. Pneumatic (C2). Guidance for specification option: Pneumatic opening system for smoke exhaust or aeration and daytime ventilation. Pneumatic (C3). Guidance for specification option: Pneumatic opening system for smoke exhaust or daytime ventilation. |
Initiation | Automatic. Guidance for specification option: Through thermal release valve installed in the vent (pneumatic system) or by optical smoke sensors (electric system). Manual. Guidance for specification option: By a release of CO2 cartridges in alarm box (pneumatic system) or by operation of RPO-1 emergency pushbutton (electric system). Fire alarm system (FAS) signal. Guidance for specification option: By external impulse from fire alarm system (FAS) sent to an electromagnet installed in the alarm box (pneumatic system), or directly to smoke exhaust control unit (electric system). |
Materials | |
Ventilator | |
Louvres | Polycarbonate panel (PCA 16 mm). Polycarbonate panel (PCA 25 mm). Non-insulated aluminum profiles (SO). Guidance for specification option: Opaque glazing – two layers of aluminum sheet with air gap between. Insulated aluminum profiles (SO+IZO). Guidance for specification option: Opaque glazing – two layers of aluminum sheet with IZO panel (extruded polystyrene 20 mm) between. |
Colour | Manufacturer’s standard. RAL. Guidance for specification option: Wind deflectors and metals parts of the blades can be painted any RAL colour; insert requirements. |
Integral upstands | |
Material | Galvanized steel, insulated. Aluminium, insulated. Galvanized steel, non-insulated. Aluminium, non-insulated. Manufacturer guidanceThermal insulation of base made of mineral wool of thickness 20 mm; heat transfer coefficient U=1.41 W/m2K. |
Colour | Manufacturer’s standard. RAL. Guidance for specification option: The base can be painted any RAL colour; insert requirements. |
Accessories | Not required. Limit switch – open/close indication. Thermo switch. Guidance for specification option: Thermo switch with alcohol-ampule thermal fuse, installed in louvered vent base with E1 type electric control. Rain shield. |
Flanges | P3. P4. Manufacturer guidanceRefer to the mcr LAM Technical catalogue for details. |
Material | Steel Aluminium Polycarbonate |