The Modular Building System has achieved the highest A rating of European environmental conservation standards in terms of energy-saving, sound insulation and so on. It keeps warm, insulates heat and sound, enhances living comfortability. Its effective usable area is larger than that of conventional buildings by 5-8%.

Sound insulation of wall ---- EN 140 & EN 717		As for this building system, sound insulation of wall is 61 dB. To compare, the British Regulation requires 52 dB or above.
Sound insulation of floor slab ---- EN 140 & EN 717		As for this building system, sound insulation of floor slab is 659 dB. To compare, the British Regulation requires 51 dB or above.
Fireproofing ---- EN 1364 & EN 1365		As for this building system, fieproofing duration is 3 hours.
Impact sound insulation of floor board ---- EN 14 0 & EN 717		As for this building system, impact sound insulation of floor board is 56dB. To compare, the British Regulation requires 62dB or less.
Air tightness ---- EN 6946，BS5250 & DEAP		Less than 3 times of air exchanges within one hour.