Perko and Perkomatic concealed door closer fire test BS476

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Fire resistance test in accordance with BS 476 Perko (R1, R2 & R21) and Perkomatic (R85) concealed door closers Independent fire assessments for all products are effective for a five year period. Where products have not been subject to changes in specification and there have been no changes in the performance standard against which the original assessment was made, it is common practice for the assessment to be reviewed by the independent authority, rather than a completely new assessment being conducted. In such cases, the authority issues a report which extends the assessments validity, normally for a further five years. This document contains both the original assessment and appropriate review report.

Exova Warringtonfire Holmesfield Road Warrington WA1 2DS United Kingdom

T : +44 (0) 1925 655 116 F : +44 (0) 1925 655 419 E : [email protected] W: www.exova.com

WF Report No. 338544 Page 1 of 2 5th March 2014 Mr M. Stonelake Samuel Heath & Sons PLC Leopold Street Birmingham B12 OUJ Review of Fire Test Report Referenced WARRES No. 63269 1

Introduction The report referenced WARRES No. 63269 relates to a fire resistance test performed in accordance with BS 476: Part 22: 1987, clause 6 on two specimens of fully insulated singleacting, single-leaf timber based doorsets. The doorsets were referenced Doorset A and Doorset B for the purpose of the test. Each doorset had overall nominal dimensions of height 2034 mm and width 850 mm and incorporated a leaf of size 1981 mm high by 762 mm wide by 44 mm thick. The leaf of Doorset A included a tubular chipboard core whilst the core of Doorset B was of a solid flaxboard construction. Each doorset was fitted with a ‘Perko’ concealed door closer and a ‘Perkomatic’ concealed door closer. The doorsets were mounted within apertures in a masonry wall assembly such that their door leaves opened toward the heating conditions of the test. Each door leaf was secured in the closed position with a surface mounted shoot bolt. Each specimen satisfied the performance requirements specified in clause 6 of BS 476: Part 22: 1987 for fully insulated doorsets for the following periods: Doorset A

Doorset B

Integrity

28 minutes*

29 minutes*

Insulation

28 minutes*

29 minutes*

The test was discontinued after a period of 32 minutes. * Integrity failure of both doorsets occurred remotely from the door closers. The integrity of the doors in the immediate vicinity of the door closers was maintained for the full duration of the test with respect to BS 476: Part 20: 1987.

Registered Office: Exova (UK) Ltd, Lochend Industrial Estate, Newbridge, Midlothian EH28 8PL United Kingdom. Reg No.SC 70429

WF No. 338544 Page 2 of 2 2

Confirmation of Specification It has been confirmed by Samuel Heath & Sons PLC that there have been no changes to the specification of the ‘Perko’ and ‘Perkomatic’ concealed door closers or their methods of installation since the test was conducted.

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Conclusions The procedures adopted for the original test have been re-examined and are similar to those currently in use. Therefore, with respect to the fire resistance test report referenced WARRES No. 63269 the contents should remain valid until the 1st April 2019.

4

Validity This review is based on information used to formulate the original test report. No other information or data has been provided by Samuel Heath & Sons PLC which could affect this review. Performed by:

Reviewed By:

D Forshaw Principal Certification Engineer

A Kearns Technical Manager Exova Warringtonfire

This copy has been produced from a .pdf format electronic file that has been provided by Exova Warringtonfire to the sponsor of the report and must only be reproduced in full. Extracts or abridgements of reports must not be published without permission of Exova Warringtonfire. The pdf copy supplied is the sole authentic version of this document. All pdf versions of this report bear authentic signatures of the responsible Exova Warringtonfire staff.

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WARRES No. 63269 Page 2 of 35

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SUMMARY:

Two different specimens of fully insulated single-acting, single-leaf doorsets, have been subjected to a test in accordance with BS 476: Part 22: 1987, Clause 6 to determine their fire resistance performance.

Each door was fitted with 'Perko' and

'Perkomatic' concealed door closers as manufactured by Samuel Heath & Sons Plc.



The specimens were mounted within a masonry wall such that the door leaves opened towards the heating conditions of the test. Each doorset had overall dimensions of height 2034 mm and width 850 mm and



incorporated a leaf of size 1981 mm high by 762 mm wide by 44 mm thick.

The

doorsets were referenced Specimen A and Specimen B for the purposes of the test. The doorsets differed in that the leaf of Doorset A incorporated a tubular chipboard

• • • I I

core and the leaf of Doorset B incorporated a flaxboard core.

Each door leaf was

secured in the closed position by a shoot bolt. Each specimen satisfied the performance requirements specified in Clause 6 of BS 476: Part 22: 1987, for fully insulated doorsets, for the following periods:

DOORSET A

Integrity Insulation

DOORSETB

28 minutes*

29 minutes*

28 minutes*

29 minutes*

The test was discontinued after a period of 32 minutes. * Integrity failure of both doorsets occurred remote from the door closers.

The

integrity of the doorsets in the immediate vicinity of the door closers was maintained for the full duration of the test with respect to the performance requirements given in BS 476: Part 20: 1987.

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SAMUEL HEATH & SONS PLC, Cobden Works, Leopold Street, Birmingham, B12 OUJ.

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DATE OF TEST :

3rd January 1995

REPORT ISSUED :

23rd May 1995

This report may on ly be reproduced in full.

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r ANNEX C

OBSERVATIONS MADE DURING THE TEST

The following observations were made during the test by Warrington Fire Research Centre

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Observations from exposed side

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Observations from unexposed side

Time mins

sees

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10

Test commences.

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Slight smoke/steam release begins from around the top edge of both door leaves.

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Smoke release increases from around the upper leaf edges.

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The Perkomatic closer is visible as the surrounding flaxboard falls.

20

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The tubes within the core of door leaf A are visible.

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temperature is measured using the roving thermocouple, the temperature is found to be 66°C.

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A darker area below thermocouple no. 11 is forming on the door leaf coincident with the end of the Perkomatic closer. The unexposed surface

28

30

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A slight glow is forming in the top leading edge corner of the doorset. Sustained flames occur in the top leading edge corner of Doorset A.

Integrity and insulation failure of Doorset A is deemed to occur. ,.--

29

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Sustained flames occur in the top leading edge corner of Doorset B.

Inte�ritx and insulation failure of Doorset B is deemed to occur.

further areas of integrity failure are observed. 32

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The test is discontinued.

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Page 29 of 35

ANNEX D

PHOTOGRAPHS

Plate 1

The exposed face prior to testing.

Plate 2

Edge detail of door leaf A showing door closers prior to testing.

Plate 3

The unexposed face of Doorset A prior to testing.

Plate 4

The unexposed face of Doorset B prior to testing.

Plate 5

The unexposed face of Doorsets A and B after 5 minutes of testing.

Plate 6

The unexposed face of Doorsets A and B after 28 minutes of testing.

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