What type of insulation do Gablok insulated wood blocks use? Gablok uses expanded polystyrene with graphite additive (EPS) for its constructing process.have to personal the website; which helps to aid any financing necessary. It is just a course of action; not a dilemma.“Oiya, bismilahirohmanirohim!” Bless ambles lah kontol supri ke memek tante