ThermaSteel's composite structural insulated panels provide a complete structural insulated building system that installs simply and easily, meeting all local, national and international building codes.

ThermaSteel's steel & EPA composite interlocking panels serve as structural framing, insulation, sheathing and vapor barrier.

With eight panel types, ThermaSteel's panel system has the ability to construct projects of all sizes.

Head to head burn comparison of standard EPS insulation vs. ThermaSteel modified self extinguishing insulation.

House Smart's presentation explains improved fire safety of ThermaSteel's structural insulated panels including an acetylene flame torch test.