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Guardian Sun® Lami Acoustic 12mm
EN 14449:2005
Coated LamiGlass intended to be used in buildings and construction works values
as of March 2020
6.6.1 SR6.6.2 SR6.6.4 SR
Resistance to fire test NPDNPDNPD
Reaction to fire NPDNPDNPD
External fire performance NPDNPDNPD
Bullet resistance (EN 1063) NPDNPDNPD
Explosion resistance NPDNPDNPD
Burglar resistance (EN 356) P1AP2AP4A
Pendulum body impact resistance (EN 12600) 1(B)11(B)11(B)1
Resistance against sudden temperature changes and temperature differentialsK404040
Wind, snow, permanent and imposed load resistancemm121212
Direct airborne sound insulation (EN 12758)dB39 (0;-3)39 (0;-3)NPD
Thermal properties    
Normal emissivity of coated glass surface εn (EN 12898) 0.020.020.02
Radiation properties    
Light transmission τV (EN 410) 0.740.740.74
Light reflection (coated side / glass side) ρV (EN 410) 0.10 / 0.140.10 / 0.140.10 / 0.14
Solar energy transmission τE (EN 410) 0.410.410.40
Solar energy reflection (coated side / glass side) ρE (EN 410) 0.42 / 0.260.42 / 0.250.42 / 0.24
Solar factor (coated side / glass side) g (EN 410) 0.45 / 0.450.45 / 0.450.44 / 0.45
Durability (EN 1096) CCC
NPD = No Performance Determined