Abstract: A shield includes a sheet (1) of material and a plurality of spaced apart webbing portion (2) attached to the sheet. The webbing portions substantially extend from one end edge of the sheet to an opposite end edge. The shield also includes attaching devices (5, 7) located at or near to both ends of the webbing portions for attaching the shield to a structural member. A fastener device (18) connects a said webbing portion to one end of a strap (16), another end of the strap in use being connected to a webbing portion of another shield or to the structural member.