SIPs?

As architects we have great control over what products and processes are used in the construction of our environment. It is our responsibility to keep up to date with the latest innovations of the building industry and be receptive to change. It shouldn’t take a disaster like the Chicago fires to realize that a process may not be the best way of doing things. One of these “newer” innovations are structurally insulated panels or “SIPs” which is a more environmentally sound process than that of the stick & batt construction.

What is a SIP? According to the Structural Insulated Panel Association, “SIPs are high-performance building panels for floors, walls and roofs in residential and commercial buildings. Each panel is typically made using expanded polystyrene (EPS), or polyisocyanurate rigid foam insulation sandwiched between two structural skins of oriented strand board (OSB), but other surfaces are also available to meet your needs. The result is a building system that is very strong, predictable, energy efficient, and cost effective.” Some advantages of the products used in this process are that EPS will not shrink, decompose, or disintegrate; in addition the R-value will not decrease with age. The result is a solid insulator that is dependable and sustainable over the life of the structure. The process creates a very air tight construction that will not rot, is highly resistant to mildew and allows much less air infiltration than stick & batt structures. The foam core of the system allows for less air leaks, less noise and results in lower energy bills. This is due in part to the fact that unlike fiberglass insulation, the rigid core does not allow air to easily flow through it.


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