Factory-made SIPs panels will be more accurate than on-site cut timber frames, and this helps to limit gaps in construction. This, along with the inherent airtightness of oriented strand boards (OSB) ...

Q: I want to add an efficient apartment to my house for my elderly mother. Can SIPS be used for large room additions or are they only for new construction? -- Betsy K. A: "SIPS" stands for structural ...