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Saving Energy: Blown Attic Insulation

learn how to insulate your attic yourself with blown-in cellulose insulation, and start saving money on your utility bills. this step-by-step article walks you through every detail of the job.


Henges installs blow in cellulose insulation in Kansas City

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…


R-VALUE: 40.0, SUITABLE FOR: new construction, retrofitTHERMAL PERFORMANCE: At R-3.5 per in., the cellulose in this system yields an overall value of R-40.PROS:• Familiar building process means lower labor costs with readily available materials.• If cellulose is used, the project has a lower environmental impact.• Large moisture-storage capacity allows wall cavities to dry gradually.CONS:• Fairly involved insulation process can add to labor costs.• Reduces interior space by 3%.


Basics of installing cellulose insulation. Even if we don't DIY, lots of good info to specify in a contract with an insulation contractor.


R-VALUE: 44.0, SUITABLE FOR: new construction.THERMAL PERFORMANCE: Insulated with cellulose: R-36.0. Insulated with high-performance fiberglass (R-4.5 per in.): R-44.0.PROS:• Optional 2x3 insulated wall and high-efficency fiberglass give potential for even higher R-values.• Large capacity for moisture storage allows the wall cavity to dry gradually.CONS:• Panels are often manufactured off site, trucked to site, and craned into place, which all add to cost.• Design may be subject to joist ...


Thermofloc - Loose Fill Recycled Cellulose Insulation, 12kg

Now available from Celtic Sustainables - Thermofloc Loose Fill Recycled Cellulose Insulation, 12kg