<page_title> Dynamic insulation </page_title> <section_title> Air control layer </section_title> <table> <cell> Fibreboard <col_header> Material </col_header> </cell> <cell> 1.34x10-3 <col_header> Permeability (m2/hPa) </col_header> </cell> </table>
Fibreboard has an air permeability of 1.34x10−3 (m²/hPa).