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PROMATECT®-250 3 Sided Beam Encasement ST P250-015S-20 - Structural Steel Encasement

Verified by manufacturer 6 days ago

Siniat

Three sided beam protection up to 600 mm deep and 325 mm wide. Board fix to angle.

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Application

  • For the protection of hot-rolled structural steel.
  • Warehouses, in conjunction with the mezzanine floor protection.
  • Dry environments only.

Description

PROMATECT®-250 is an A1 non-combustible mineral bound lightweight calcium silicate board, for internal use in structural steelwork protection and mezzanine floor systems. A third party EN certified solution which maintains the loadbearing capacity of structural steel for up to 120 minutes.

Features and benefits:

  • Fire resistant: A1 non-combustible board to EN 13501-1.
  • Board fixed to angle.
  • Third-party certified: EN tested and classified to achieve 120 minutes fire protection to EN 13501-2.
  • This system can provide protection to limiting steel temperatures between 350°C to 750°C.
  • Smooth mat upper surface, off-white in colour.
  • Provides a high degree of strength and dimensional stability.
  • Quick installation solution.

General information

Color

White

Finish

Smooth

Guidance for specification option:

One face, ready to form a finished surface.

Sanded

Guidance for specification option:

Reverse face.

Material

Calcium silicate

Guidance for specification option:

Autoclaved calcium silicate spheres bound in a mineral matrix.

Shape

Rectangle

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

-

Manufacturer guidance

Etex Building Performance Limited warrants that its passive fire protection products and component parts, when installed in the building originally designed, built and unaltered in accordance with the conditions and procedures set out in Promat Passive Fire Protection Handbook, this specification document and associated CAD drawings; and any specific technical recommendations made in relation to the above project, shall be durable and free from defects due to faulty manufacturing or factory workmanship. The system must be installed solely with proprietary products and components as supplied by Etex Building Performance Limited. The scope of this warranty is subject to and will be dependent on the application and the environment in which the products are being installed.

Uniclass

Ss_25_25_45_68 Rigid sheet casing systemsPrimary

CAWS

K11/885 Fire protection board

K11/54 Fire protection board

SKU Code

ST P250-015S-20

Specification data - Rigid sheet casing systems

Classification data

Support

Top Angle Framing: Metal Angle minimum 50 x 25 x 0.5 mm fixed as per associated drawing.

Guidance for specification option:

Siniat MFC2550 metal angle recommended.

Insulation

Low density (10–30 kg/m³) glass mineral wool.

Guidance for specification option:

If required for acoustic or thermal performance.

Not required.

Linings

Inner Layer: 20 mm Promat PROMATECT®-250.
Outer Layer: 20 mm Promat PROMATECT®-250.

Fasteners

Fixing to Top Angle: M4 Self Tapping Screws at maximum 200 mm centres.
Fixing to Board Edge: Chisel point staples minimum 50 x 12 x 1.6 mm at maximum 150 mm centres.

Guidance for specification option:

  • Fixing to Top Angle: Screw length to provide minimum penetration of 10 mm through the angle.
  • Fixing to Board Edge: End staples are located nominally 40 mm from the corner of the board.
  • Vertical Board Joint: Vertical board joints required at 1200 mm max centres, along the length of the beam. Joints between layers to be staggered by minimum 530 mm.

Finish

Decorative.

Guidance for specification option:

Decorative finishes should be applied in accordance with the guidance in the Promat Passive Fire Protection Handbook which can be found on the Promat website.

Non-decorative.

Guidance for specification option:

No finishing or sealing required to maintain system performance.

Fire resistance

To EN 13381-4, up to 120 minutes.

Fire classification

Classified to EN 13501-2.

Temperature

550℃.

Manufacturer guidance

Limiting steel temperature.

Section factor

235 m-1.

Manufacturer guidance

Maximum section factor.

Steel sections

Maximum depth: 600 mm.
Maximum width: 325 mm.

Manufacturer guidance

Maximum steel section dimensions.

System code

ST P250-015S-20.

Sustainability data

Country of material origin

Belgium

Country of product manufacture

Belgium

Guidance for specification option:

Applies to the bulk board material only. Other components are from other countries. Consult manufacturer for details.

Material

Calcium silicate

Guidance for specification option:

Autoclaved calcium silicate spheres bound in a mineral matrix.

Recyclability

Gypsum, calcium silicate and metal components can be recycled depending on the segregation of all materials

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