Assertion: insulation | /r/HasProperty | air permeable
Facets:
Source sentences:
text: Element Description 1 brick cladding 2 ventilated cavity 3 sheathing board (air permeable) 4 insulation (air permeable) 5 air control layer 6 ventilated cavity 7 plasterboard
text: Insulations such as rock wool, glass wool, sheep's wool, cellulose are all air permeable and so can be used in a dynamically insulated envelope.