Interchar , Interchar , Interchar , Interchar and Interchar Interchar can be specified for structural beams, columns and. This approval relates to the use of Interchar for the fire protection of of Interchar (excluding primer and top sealer) required to provide. Interchar | Anti-corrosion solutions | Adress A. Kojelavičiaus g. 17, LT Vilnius.

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Constraints for fire resistance a Minimum thickness — 6mm b Maximum thickness — 15mm c Single layer protection Web and flange boards impaled on Cafclips and secured with non return washers.

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In order to avoid confusion to the user of this publication. Suitable adhesive should be used at the joint between subsequent web pieces. The format of the report should provide the following minimum details: C Issue 3 valid until 1 September valid until 1 August next review date: Constraints for fire resistance a Dry joint systems up to 2 hours fire resistance b mm maximum overall thickness — ply two boards to achieve Hence Hp is taken as the circumference of the tube and not 4D.

Interchaar for fire resistance a Minimum dry thickness. Web and flange boards overlap connected with spiral screws at mm centres. Application technique Mechanical fixing to framing of light gauge steel angles 6.

Application technique a Casings assembled by edge screw fix b Nogging and staple fix option available — contact Promat Technical Services for advise. Such variations must be evaluated by an independent authority or an appropriate testing laboratory or consultant. The Assessment Report will fully detail the scope and limits of approval. The following criteria shall be applied to the analysis to ensure the predictions are valid: Members with low section factors will heat intrechar more slowly. Durability Resistant to short term moisture exposure.

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Fire resistance range Up to 4 hours Association for Specialist Fire Protection 54 Fire protection for structural steel in buildings th www. Description imterchar member 0.

Interchae decks with the profile running parallel to beams no special recommendations are made for spray applied materials but. Noggins applied as in b above.

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Constraints for fire resistance Minimum thickness. In the case of the open trapezoidal deck the fire resistance of the composite beam may be reduced because of the effects of additional heat entering the steel beam through the top surface of the flange.

It is also available tissue faced. Calibration shall be carried out immediately prior to any series of measurements being taken. Beamclad Foil Faced Board butt joints glued. Association for Specialist Fire Protection 79 Fire protection for structural steel in buildings th www.

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The figures for section factors in the following Tables have been provided by Corus and include corner radii. A mm deep beam will fail at approximately the same temperature as a mm deep beam if they are both working at the same load ratio. Table 1 — Limiting temperatures for the design of protected and unprotected hot finished members Limiting temperature [degrees C] at a load ratio of Description of steel member 0.

Availability Contact manufacturer for information and names and address of applicators 4. Allow appropriate loss factors. Maximum imposed load to be 7.

There are a variety of ihterchar formed from cold rolled sections and normally each would require separate appraisal. A steel section with a large surface area A will receive more heat than one with a smaller surface area.


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The UK approach in earlier publications of this document considered the ability of the protection material to maintain the steel temperature below the temperature at which structural failure occurs under the maximum permissible design loading. Application technique The boards are secured to a galvanised steel framework lnterchar Gyproc Drywall Screws.

For further information see Section 2 The European approach given in the ENV allows for a wider range of steel design temperatures. A minimum surface profile of 75 microns 3 mils is required. On site use For internal and protected external applications Association for Specialist Fire Intercar Fire protection for structural steel in buildings th www. The performance of the structural member fitted with the steel encased protection system in the test shall be compared with the value s taken from the appropriate data sheet s at the required critical steel temperature s interchad from tests of the structural member protected with the same material but without the steel encasement.

The maximum value of any correction factor should not exceed 1. Hong Kong Name of Report No. The material should remain intact during this over-run period for the extrapolation to be considered. Prior innterchar paint application, all steel surfaces should be assessed and treated in accordance with ISO