Sealed-attic-insulation, insulation gets blown, placed, or stuffed between the ceiling joists at the base of the attic, but the space above those joists is left unconditioned and intentionally vented to the outside. the only time most people bring the attic inside the envelope is when they want to convert it to a living space.. Air sealing in the attic is generally a challenging diy project, but the benefits can be substantial. if you are doing a major home renovation project, now may be a great time to tackle this project too., adding attic insulation. now that you've air-sealed your attic and basement, check your attic insulation levels and add more if necessary. the attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home..

If you are going to invest in a sealed attic, make sure that you are applying the new insulation to clean, durable surfaces, that will allow the product to perform really well for life. neither type of foam repairs roof leaks, and covering the problems with foam only makes things worse. blocking and backing is needed before foaming begins., for diy attic insulation, you've got two choices: loose fill or batt (the common term for blanket insulation). both can be added to uninsulated attics or layered over existing material..

Creative conservation is the industry leader for residential and commercial foam insulation and sprayed systems in the charlottesville, richmond, roanoke and central virginia areas., doesn’t sealing & insulating my attic with spray foam insulation increase the area my ac & heat has to serve? recently we had a homeowner struggling with the concept of sealing and insulating his attic with spray foam, because he thought we were adding more area that his ac and furnace had to heat and cool..

The air barrier, used to isolate the living space from the attic, is usually the taped drywall, while the thermal barrier is the insulation placed on top of the drywall. typically, the ceiling is not a single horizontal plane but a series of horizontal planes, vertical planes (knee walls), and sloped planes, all intersecting to create the ceiling., the quest for greater energy efficiency in buildings has led to increasing interest and need for insulation, improvements in hvac equipment, more airtight construction, new materials and assemblies. senior engineer manager at icynene, john broniek makes the case for the unvented attic assembly and why insulating the underside of the roof makes sense..

It takes air-impermeable insulation to create a sealed attic; which is typically more expensive than air-permeable insulation.** the bottom line is that both of these techniques are still totally legitimate, they both have pros and cons, you just need to choose the on that serves you best for the particular application.