SIPs “Go Gray”: Graphite Polystyrene Insulating Cores in Walls & Ceilings Magazine

Originally posted in Walls & Ceilings Magazine 

Usually when someone says they’re “going gray,” it’s a gentle way to indicate they’re getting older.  But in the case of structural insulated panels, when you see gray insulating foam cores on the job site, it means a new advance in the panels.

Manufacturers have produced SIPs using a variety of foam insulation cores, including expanded polystyrene (EPS), extruded polystyrene (XPS), polyisocyanurate (Iso) and polyurethane (PUR) – with EPS being the most common.  Now, a new type of insulation enters the mix of options – graphite polystyrene (GPS).

Continue reading in Walls & Ceilings Magazine on why building professionals are choosing SIPs and reason SIPs are being produced with GPS insulation cores.