DESCRIPTION/COMPOSITION

Sterling Crown Gypsum Ceiling panels consists of an aerated gypsum core encased in strong paper liners. The surface is smooth and even, ideal for various decorative finishes.

DIMENSION/THICKNESS

Our standard sizes are:
Metric:	600x600mm (Imperial: 2'x2')
	600x1200mm (Imperial: 2'x 4')
Standard thickness:	9.5mm (3/8" before lamination)
	12.5mm (1/2" before lamination)

APPLICATION

Sterling Crown gypsum panels are square-cut and installed in exposed T-grid metal systems or similar lay-in modular grid suspended ceiling systems.

FINISHES/RESISTANCE/HUMIDITY
The panels can be supplied with decorative vinyl designs, pre - painted or engraved finishes. The vinyl surfaces of Sterling Crown panels have a water vapour resistance of not less than 15MNs/g. If required the panels can be supplied with either aluminium foil or red pvc backing. The aluminium foil backing increases the tiles thermal insulation performance whereas the pvc backing is recommended in high humidity areas as a vapour barrier.

FIRE PROTECTION

Gypsum board are one of the best product for fire protection. The unique behavior of the gypsum core when subjected to high temperatures provides good resistant properties.

Test	Performance
BS 476 Part 6: 1981 Method of test for fire propagation for products	Index of performance (I) not exceeding 12. Sub-index (i1) not exceeding 6 (booth sides)
BS 476: Part 7: 1971 Surface spread of flame tests for materials	Class 1 (both sides)

STANDARDS

As a result of their performance when tested to BS 476:Part 6 and Part:7 the Sterling Crown base boards conforms to Class "O" in accordance to the Department of Fire Service.