Surprised?me when fire officials said the buildings were basically made of petrochemicals. Said to self, "really?" "OK," vinyl siding, bituminous ro asphalt roofing, phenolic/wood fiber or foam sheathing, polypropylene (PP)?carpeting?on glued MDF flooring, furniture of urethane?foam?covered in PP, PVC plumbing and wire insulation, glulam framing. Didn't?learn much from the Three Little Pigs, did we?