Fire safety of wooden walls filled with wood shaving insulation panels-Its heat shielding effect and structural safety compared to fiberglass-filled walls-

• TANIUCHI Hironori

  Iwate Prefectural Forestry Technology Center

• SEKINO Noboru

  Faculty of Agriculture, Iwate University

• YAMAUCHI Go

  Yamauchi Co. Ltd.

Bibliographic Information

Other Title

• 木質小片断熱材を充填した木造外壁の耐火性能―遮熱性および構造安全性：グラスウール充填壁との比較―
• モクシツ ショウヘン ダンネツザイ オ ジュウテンシタ モクゾウ ガイヘキ ノ タイカ セイノウ シャネツセイ オヨビ コウゾウ アンゼンセイ グラスウール ジュウテンヘキ トノ ヒカク

Abstract

The insulation panels developed in this study are composed of wood shavings compressed into a mat with a density of 110 kg/m³ without any binder. This mat is lapped with plastic film that works as a damp proof course. This paper describes fire tests conducted with a full-scale-thick wooden frame wall that was sandwiched with wood-fiber cement board and plasterboard. The test wall was filled with 100-mm-thick wood shaving insulation panels or fiberglass insulators, or a hollow. These three types of wall were examined for heat shielding effect and cross section loss of wood column (105mm by105mm). The results revealed that the test wall filled with our insulation panels had a higher heat shielding performance than other walls. This is because charring of wood shavings generates water and some of it remains near the rear surface of the panels due to an existence of plastic film, and consequently, the water consumes vaporization energy and resulted in keeping a temperature lower than of around 100°C. The heat shielding performance was found to have a quality equivalent to the 60-minute quasi-fireproof performance stipulated in the Building Standard Law of Japan. Furthermore, our insulation panel was found to provide a wall less cross section loss of wood column than a wall filling with fiberglass. This suggests that wood shaving insulation panels are superior to fiberglass in terms of structural safety by fire as well as heat shielding performance.

Journal

• MOKUZAI HOZON (Wood Protection)

  MOKUZAI HOZON (Wood Protection) 34 (2), 60-68, 2008

  JAPAN WOOD PRESERVING ASSOCIATION

Keywords

• wood shaving insulation
• fiberglass
• heat shielding

Details

• CRID: 1390001204294153728
• NII Article ID: 10021213525
• NII Book ID: AN00240373
• DOI: 10.5990/jwpa.34.60
• ISSN: 18840116
• ISSN: 02879255
• NDL BIB ID: 9439779
• Web Site: https://agriknowledge.affrc.go.jp/RN/2030752166
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I9439779
• Text Lang: ja
• Data Source:
  • JaLC
  • IRDB
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed