The SHEERFILL® brand consists of a line of materials that includes SHEERFILL Architectural Membranes, Fabrasorb Acoustical Membranes and SGM Shade Mesh.These membrane materials are lightweight, translucent, non-combustible composites made of fiberglass and Teflon (PTFE). The strength, fire performance, translucency and appeal of SHEERFILL® membranes have enabled the imagination and creation of the most stunning and energy-efficient structures that perform for generations.