POAL
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CATEGORY APPLICATIONS MOUNTING PLATE FINISH CLEAR COATING FIRE RATING Broadband soundabsorption with non-woven aluminium fibers • Offices, musea, auditoria, schools, hotels, restaurants, bars, public buildings, nursing homes, hospitals, concert halls, .. • Swimming pools, outdoors applications, industry (sound walls, silencers, ...) 2 meshes with non-woven aluminium fibers pressed in between • Standard: aluminium grey • All colours available (absorption only guaranteed when painted by the supplier) When applied in swimming pools, humid environments, industry and outdoors applications, a clear coating is applied for protection. Depending on the type op Poal, adifferent mesh will be painted: DIMENSIONS MESH FRONT SIDE Poal B1 Poal C1 Poal B1 TH Poal C1 TH thickness thread width thread SONOGAMMA Ijzerenmolenstraat 8 | B - 3001 Leuven | +32 16 4 0 2 5 26 info@sonogamma.com | www.sonogamma.com B1 coated - front side: small mesh • B1 TH coated - front side: large mesh • C1 coated - front side: small mesh • C1 TH coated - front side: large mesh Incombustible A1 (according to Euroclass) • Max. 2.000 1 1.000 mm • From 360 m2: custom made rectangle shapes without surcharge

DIMENSIONS MESH BACKSIDE Poal B1 Poal C1 Poal B1 TH Poal C1 TH thickness thread width thread AIR FLOW RESISTANCE • Poal B1 : 138 rayls / mm FLOOD LIGHT WEATHERPROOFTEST WATERPROOFTEST BOILING TEST Floodlicht makes any irragularity visible. It is therefore strongly recommended not to combine floodlight with Poal panels 2000 hrs (equivalent to 10 years) >> No abnormality observed 500 hrs in running water >> No abnormality observed After boiling for 4 hrs, dried for 20 hrs at 100 centigrade. The process repeated twice (*JAS Classe 1) >> No abnormality observed COLD-HEAT TEST After maintaining...

WATER HOLDING PROPERTY Water permeability >> When water is poured on the material with a hose, almost all water flows down through pores of the panel and does not penetrate into the back of the panel. Almost no water remains in the panel Water drainage >> Water material dries by 80 % in 2 hrs at 20 centigrade With doublesided tape and screws or rivets (see the mounting instructions). When applied as wall cladding below 2 m, a perforated panel (wood, steal, gypsum) will be placed behind the Poal sheet to insure stability. With a perforation rate of min. 20 % (e.g. diameter 8 mm, grid 16 * 16...

ABSORPTION COEFFICIENTS Statistical absorptioin coefficients according to ISO 354 standard: (SEQUEL) • (C1) 0+50: only 50 mm air cavity • (C1) 50+0: only 50 mm mineral wool SONOGAMMA Ijzerenmolenstraat 8 | B - 3001 Leuven | +32 16 4 0 2 5 26 info@sonogamma.com | www.sonogamma.com