LVV40 Intumescent Air Transfer Grille
A high performance, standard vision intumescent air transfer grille for doors, walls and ducts. Provides excellent airflow characteristics, which result in silent efficient operation in normal use.ApplicationSuitable for doors, walls and ducts. Note: in applications where high levels of humidity or wetness are anticipated, it is recommended that an LVH44 product should be employed.Thickness 40mmAirflow Approx 60% free areaMaterial PVC slats with an intumescent coreFinish Silver as standardUse With Metal cover grille (optional)OrientationSuitable for use in vertical applicationsStandard Sizes Available (MM)Width 100 150 200 250 300 350 400 450 500 600Height 100 150 200 250 300 350 400 450 500 600Other non-standard sizes may be available - please ask for details.
Test Evidence Fire: BS 476-20/22: 1987, BS EN 1634-1: 2014 & BS EN 1364-5: 2017Performance Can be used to provide up to 60 minutes resistance to fire. EI rating of 120 minutes when used in conjunction with a cover grille. Please speak to our Technical Department for detailsCertificationCERTIFIRE CF564Data Sheets
Product Data Sheet
Fitting InstructionsLVV40 Fitted into masonry, brick or block walls
LVV40 Air transfer grille with cover grilles into timber fire door
LVV40 fitted into Fire rated flexible walls (wall 15)
LVV40 Into rigid wall construction (wall 14)
LVV40 Into rigid wall construction (wall 12)
Please note:These products are made to order. For further information and lead times, please call us on 02476 422200.
The above information is based on current test data, health and safety information and application instructions supplied by our suppliers and manufacturers of the products. It is supplied for guidance and to the best of our knowledge is true and accurate. Customers should satisfy themselves to the suitability of the products in its intended use and no guarantee is given or implied as the conditions of actual use are beyond our control. If in doubt the customer should consult the designer of the project or the local building control.
Fire Stopping Shop, disclaim any liability for loss, damage or other expense which may arise from the use of this information, data or products refereed to and reserve the right to amend or change any details without notice. This statement does not affect your statuary rights.