Verified by manufacturer 5 months ago
Certifire Certificate
Certificate type
Vision style air transfer grille.
Suitable for doors, walls and ducts. Note: in applications where high levels of humidity or wetness are anticipated, it is recommended that a circular LVH44 product should be employed.
A high performance, standard vision intumescent air transfer grille for doors, walls and ducts. To be used where air movement/ flow via fan is stopped in the event of a fire. Provides excellent airflow characteristics, which result in low sound power level and efficient operation in normal use. Can be used to provide resistance to fire and hot smoke of up to 60 minutes in doors and walls.
Features and benefits:
Color | Silver |
Finish | Smooth |
Material | Polyvinyl chloride (PVC) Intumescent |
Shape | Square |
Length | Manufacturer guidanceWidth: 100mm - 600mm (in 25mm increments). Height: 100mm - 600mm (in 25mm increments). |
Width | Manufacturer guidanceThickness: 40mm. |
Height | Manufacturer guidanceWidth: 100mm - 600mm (in 25mm increments). |
Uniclass | |
CAWS | U90/360 Air transfer grilles U90/360 Air transfer grilles |
Standard | To BS 476-20 and 22:1987; To BS EN 1634-1:2014; BS EN 1364-5:2017. |
Category | Intumescent. |
Size | 100 x 100 mm.125 x 125 mm.150 x 150 mm.175 x 175 mm.200 x 200 mm.225 x 225 mm.250 x 250 mm.275 x 275 mm.300 x 300 mm.325 x 325 mm.350 x 350 mm.375 x 375 mm.400 x 400 mm.425 x 425 mm.450 x 450 mm.475 x 475 mm.500 x 500 mm.525 x 525 mm.550 x 550 mm.575 x 575 mm.600 x 600 mm.Manufacturer guidance100-600 mm (in 25 mm increments). |
Fire resistance (minimum) | 60 minutes.Guidance for specification option: EI rating of 120 minutes when used in conjunction with a cover grille. Consult the manufacturer's Technical Department for details. |
Material and finish | Polyvinyl chloride (PVC) slats with an intumescent core. |
Colour | Silver. |
Thickness | 40 mm. |
Country of product manufacture | United Kingdom |