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SAF Snapshot
SAF is an ideal wall construction for very energy efficient buildings also maximising solar energy use. Conventional facades attempt to de-couple the building interior from the exterior. The SAF facade offers another solution: the creation of a sun-warmed buffer. This buffer effect begins at sunrise and holds well past sunset. In this manner building heat losses are dramatically reduced. The annual energy balance of a highly insulated wall can be matched with only half the wall thickness.
The solar facade SAF was invented and patented by a Swiss architect in 1998. The core of the concept is a solid wood absorber with slanted, horizontal slits. A back-vented glass curtain wall that protects the wood from the elements and helps preserve the thermal buffering effect. Behind the absorber is an insulated, conventional wooden or masonry structural wall. The SAF wall is an exciting architectural element giving a building a special, individual identity.
The solar facade SAF was invented and patented by a Swiss architect in 1998. The core of the concept is a solid wood absorber with slanted, horizontal slits. A back-vented glass curtain wall that protects the wood from the elements and helps preserve the thermal buffering effect. Behind the absorber is an insulated, conventional wooden or masonry structural wall. The SAF wall is an exciting architectural element giving a building a special, individual identity.
