| 摘要 |
<p>A cladding board comprises a side with a tongue and a side with a groove or cut-out portion to facilitate the attachment of the cladding board to another such cladding board; wherein said board incorporates a backing layer of primarily rigid foamed plastics material; and a further layer located over said backing layer being primarily of an elastomer; said groove being of exposed rigid foamed plastics material without any elastomer covering being provided in said groove or cut-out portion; wherein said further layer has greater inherent flexibility than said backing layer.</p> |
