structural steelwork PROMATECT® -250 Staple Fix System for Fire Protection of Structural Steelwork GENERAL DESCRIPTION Table 1. General Technical Data combustible mineral bound light weight Material class board. It has a smooth matt upper Surface spread of flame surface and is off-white in appearance. Building regulations classification Mineral bound calcium silicate Non-combustible Nominal dry density (average) Kg/m3 PROMATECT®-250 provides a high degree of strength, dimensional stability and fire performance to structural Thermal conductivity (approximately) at 20°C W/mK Nominal moisture content, ambient % Thickness tolerance of standard boards mm A health and safety data sheet is Length x Width tolerance of standard boards mm available from the Promat Technical Surface condition Smooth, unsanded Services Department and, as with any other materials, should be read before Table 2. Board Format Data Thickness (mm) working with the board. The board is not classified as a dangerous substance and so no With approx. 2% moisture special provisions are required regarding the carriage and disposal of the product to landfill. They can be placed in an on-site skip with other general building waste which should be disposed of by a registered contractor. NOTE: - Other thicknesses available, please refer to the Promat Fire Protection Handbook. - All physical property values are averages based on standard production. The figures can change dependent on the test methods used. - If a particular value is of prime importance for a specification, please contact the Promat Technical Services Department. PROMATECT® -250 soldiers, 120mm wide positioned behind the side board joints and at 1250mm maximum centres or behind any board joints. Soldier thickness to be 15mm. No cover strips required behind board joint covering flanges. PROMATECT® -250. Define A/V requirement for beams supporting and connecting to a concrete slab within table 2B or all other beams within table 2A. Stagger joints on adjacent sides by a least 530mm. Full length boards up to 2500mm long can be used. Secure boards to each other at corners, and to soldiers, using staples (3). Chisel point staples, 50mm x 12.5mm x 1.6mm at maximum 150mm centres. Locate end staples 40mm from corner of board. 4. PROMATECT® -250, 15mm soffit board.

PROMATECT® -250 soldiers, 120mm x 12mm thick behind the horizontal joints in the casing. Cover strips are not required at other joints in the boards covering flanges. PROMATECT® -250. Define A/V requirement from Table 1. Stagger joints on adjacent sides by at least 530mm. Secure boards to each other at corners, and to soldiers, using steel chisel point staples, 50mm x 12.5mm x 1.6mm, at maximum 150mm centres. Full length boards up to Chisel point staples, 50mm x 12.5mm x 1.6mm at maximum 150mm centres. Locate end staples 40mm from corner of board. TECHNICAL INFORMATION For full details of applications,...