5 things you need to know about SIPs!
1 ENERGY CREDENTIALS: INSULATION
Insulation is a key benefit of SIPs; they provide good U values and airtightness. There are two types of SIPs panels. Both use two OSB boards, but one sandwiches polystyrene board between them while the other has urethane pumped inside. Both are wrapped in timber for strength, with depths of panels between 195mm and 250mm. The urethane method
