1. bookVolume 45 (2021): Issue 340 (August 2021)
Journal Details
License
Format
Journal
eISSN
2256-0939
First Published
30 Aug 2012
Publication timeframe
2 times per year
Languages
English
access type Open Access

Impact of High-pressure Impregnation and Fire Protective Coatings on the Reaction to Fire Performance of Birch Plywood

Published Online: 11 Aug 2021
Volume & Issue: Volume 45 (2021) - Issue 340 (August 2021)
Page range: 65 - 75
Received: 05 Oct 2020
Accepted: 05 May 2021
Journal Details
License
Format
Journal
eISSN
2256-0939
First Published
30 Aug 2012
Publication timeframe
2 times per year
Languages
English
Abstract

Birch plywood has a wide range of applications for interior and exterior use. The demand for plywood with improved fire protection properties and good visual appearance is increasing year by year. The impregnation at high pressure of the whole plywood panels is one of the options to achieve it. The aim of this study was to develop good visual looking birch plywood product for interior design purposes as well evaluate different influencing factors to reaction to fire properties of fire-retardant treated birch plywood. This study consists of three parts. At the first stage, high pressure industrially impregnated plywood properties were studied by two influencing factors – distribution of fire retardant in plywood panel plane and sanding process influence on reaction to fire performance of product. At the second stage, seven different industrial finishing systems were selected for covering high-pressure impregnated birch plywood and their effect on fire reaction performance was studied. In addition, two surface coating systems were studied on standard birch plywood substrate. At the third stage, intumescent coating consumption effect on reaction to fire performance was studied. The reaction to fire performance of birch plywood was evaluated by performing a flammability test using the Single Burning Item test according to EN 13823:2010. It was found that high pressure impregnation of plywood cannot ensure even saturation of fire retardant throughout the sheet, which significantly affects the fire performance of product. The impact of different finishing materials to reaction to fire performance has been described by the results of this research.

Keywords

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