soundproofing material

Sandwich Panel is composed by three layers.

The upper and bottom sheets of this panel are zinc-plated steel sheets , color-coated steel sheets or stainless steel sheets with specific core material. The panels are formed by laminating and pressing with 2 components PU glue through forming machinery. The sandwich panel has been a new type of multi-purpose construction material. It is featured with temperature keeping, heat& sound insulation, water-proof and fire-resistant functions as well, as light and decorative application. It is widely used as the wall or roof for industrial or residential buildings, such as cold storages, industrial workshops, refabricated houses etc.

Effective width	Wall panel: 950mm 1150mm Roof panel: 950mm
Length	According to customer's request
Materials	Rock wool, Color steel sheet
Structure	Upper and lower layer: Color steel sheet
	Middle: Rock wool
Thickness	Color steel sheet: 0.3-0.6mm Polystyrene foam board: 50mm 75mm 100mm 150mm 200mm
The Density of Rock Wool	100kg/m3 -120kg/m3
Conventional color	Ocean blue, whitegrey, etc
Character	Fireproof, heat insulation, green and environmental
Use	various roofs and walls referring to the large size factory buildings, storages, exhibition halls, gymnasiums etc.

Advantages

Light weight: enough to reduce building expenses.Time can be saved on a building project to the simple insulation.Good durability: With special coating, the warranty of the color steel sheet is 5-10years. Lifespan of the panels can be up to 35years with spray-painting antirust on the steel sheet every 10 years.The panels are fireproof and meet the relevant standards completely.Good sound insulation for up to 40-50 decibels.