abstract |
A flexible fire barrier (10) comprises two outer layers (12, 14), and at least two insulating layers (16, 18) positioned between the two outer layers. The outer layers (12, 14) comprise fabric made of glass fibre. Each of the insulating layers (16, 18) comprises a glass fibre insulating mat (16a, 18a) enclosed in an envelope made of metallic foil (16b, 16c, 16d, 18b, 18c). |