Polyester fabric has the flexibility to be packed and unpacked, while fiberglass fabric does not. Polyethylene is a newer fabric and it is 100 percent recyclable. Layering or lining is used with fabrics to improve performance, such as R-values. Structural fabrics can be supported in three ways. Arches allow larger spans but require more structural engineering.
External trusses allow for a wide-open space but require costly engineering and materials.
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