In some parts of the U.S. — notably northern New England — cellulose insulationThermal insulation made from recycled newspaper or other wastepaper; often treated with borates for fire and insect protection. has been widely used for more than 30 years. In other parts of the U.S., however, cellulose insulation is just beginning to gain traction.
Basics of installing cellulose insulation. Even if we don't DIY, lots of good info to specify in a contract with an insulation contractor.
The prefabricated panels are somewhat similar to SIPs, with OSB on the interior (presumably the air barrier), 16” TJIs with cellulose insulation and a fiberboard exterior. A rear ventilated OSB rain screen uses different stains to add a touch of frivolity to the hyper minimal facade. The roof is constructed of the same panels, and a suspended ceiling (thankfully, not ACT) allows for recessed lighting that doesn’t penetrate the air barrier. This is critical in achieving the passivhaus…