| 摘要 |
A wall or roof system (1) comprising a structural element (2) having a first (21) and a second side (22); an insulation element (3) having first (31) and second (32) major surfaces, the insulation element (3) arranged with its first major surface (31) proximal to the second side (22) of the structural element (2), the insulation element (3) comprising an internal layer (4) proximal to the structural element (2), and an external layer (5) distal from the structural element (2), both layers being distinct and both layers extending in the length and width direction of the insulation element (3); a spacer fastening device (6) for fixation of the insulation element (3) to the structural element (2), spacer fastening device (6) adapted to hold the second major surface (32) of the insulation element (3) spaced at a defined distance from the second side (22) of the structural element (22), this distance being adjustable by acting on the spacer fastening device (6); wherein the external layer (5) comprises fibrous insulating material with a density lower than 140 kg/m 3 ; and the fibrous insulating material in the external layer (5) has a laminar configuration of the fibers. |
