1 Sided Column Protection up to 600 mm Wide. Direct fix to Blockwork or Structural Concrete - ST P250-035S
Verified by manufacturer 23 days ago
UL-EU Certified
Certificate type
Encasement system using non-combustible mineral bound light weight boards. One-sided column protection up to 600 mm wide; direct fix to blockwork or structural concrete.
Application
Steelwork protection.
Description
PROMAT PROMATECT®-250 is a non-combustible mineral bound light weight board and provides a high degree of strength and dimensional stability and fire protection to structural steel and is suitable for areas where the relative humidity is up to 85%.
It is classified A1 non-combustible according to BS EN 13501-1.
Features and benefits:
- One-sided column protection up to 600 mm wide.
- Direct fix to blockwork or structural concrete.
- PROMATECT®-250 comprises autoclaved calcium silicate spheres (PROMAXON® is a synthetic hydrated calcium silicate in spherical form) bound in a mineral matrix.
- Off-white in colour.
- One face is smooth and ready to form a finished surface, able to receive almost any form of architectural/finish treatment.
- The reverse face is sanded.
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 guidanceEtex Building Performance Limited warrants that our passive fire protection products and component parts, when installed in the building originally designed, built and unaltered in accordance with the conditions and procedures as detailed in UL-EU Certificate No. UL-EU-01220-CPR, 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 by a 3rd party accredited fire protection contractor, and where included in the specification, solely with proprietary products and components as supplied by Etex Building Performance Limited. The scope of this warranty will be dependent on the application and the environment in which the products are being installed. |
Uniclass | |
CAWS | K11/54 Fire protection board K11/885 Fire protection board |
Specification data - Rigid sheet casing systems
Support | N/A. |
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 and outer layers: PROMATECT®-250 board thickness determined by section factor (A/V), fire resistance period and limiting steel temperature.Guidance for specification option: Minimum PROMAT PROMATECT®-250 thickness for compartmentation on both sides of steel (when one-sided fixing detail is applied to both sides of the steel): 60 minutes: 15 mm; 90 minutes: 20 mm; 120 minutes: 25 mm. Where protection to the structural steel and compartmentation are required, thicker of the two boards should be used. Manufacturer guidance
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Fasteners | Direct fix to concrete or blockwork: One-sided column encasements can be installed by directly fixing the boards to the substrate (concrete/blockwork). M4 screws into metal plugs, non-combustible concrete anchors or concrete screws (by others).Guidance for specification option: Maximum 300 mm centres. Fixing length to provide minimum penetration of 30 mm into the substrate. |
System accessories | FSi Promat Pyrocoustic® Fire Resistant Sealant. |
Fire resistance | Guidance for specification option: Fire resistance (minutes) to EN 13501-2. Insert requirements. |
Colour/ Finish | Guidance for specification option: Insert requirements. Manufacturer guidanceDecorative finishes should be applied in accordance with Promat Technical Data Sheet TDS 056 (https://www.promat.com/en-gb/construction/documentation/). |
Section factor | Maximum 350 m-1. |
Steel sections | Up to 600 mm wide. |
Strips | N/A. |
Third-party certification | As detailed in UL-EU Certificate No. UL-EU-01220a-CPR. Guidance for specification option: Note: Depending on site conditions, alternative fixing methods may be required for beams and columns, one- or two-sided exposure or interface with other building elements. These fixing methods are outside the scope of current EN test methods. These recommendations are based on the principles of EN 13381-4 and given in good faith. They should be approved by the responsible designer or through independent third party assessment. |
Installation | Encasement boards must overlap the structure either side of the steel by a minimum of 75 mm. |
Sustainability data
Country of material origin | Belgium |
Country of product manufacture | Belgium Manufacturer guidanceApplies 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. |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | Manufacturer guidanceLatest EPD information available at: https://www.promat.com/en-gb/document-request/pi369182/PROMATECT-250 EPD_pdf/ |
Recyclability | Gypsum, calcium silicate and metal components can be recycled depending on the segregation of all materials. |
Third party certifications
UL-EU Certified
UL-EU-01220 Promatect-250 Steel Protection
Literature
Promat Passive Fire Protection for Structural Steel
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