2. Construction – Scope (article SG 5)

The "Wind" rules of the DTU "Snow and Wind" are applicable to inflatable structures.

Structures must comprise a single volume. The envelope must be made of category M 2 materials whose reaction to fire classification report has no durability limit.

Materials not on the established list (presented in Box 1) are subject to the accelerated aging tests defined in the Order of November 21, 2002 on the reaction to fire of construction and fitting-out products.

When portholes are provided, they must be made of category M 3 materials, their...