5'' of XPS bewteen a 2x4 rafter Area that will also serve as air flow cavity within a cathedral/slant wall of a one and 50 % story dwelling. What ought to the inner most board be XPS or the ISO.
Is it possible to blow insulation over existing insulation? The amount of is adequate? We response these questions and much more.
That isn't what I examine in your hottest weblogs. I expect hoopla from hucksters and salespeople. I hold you and another editors and authors in this article to some much bigger typical.
It's also disingenuous to use inflated installed charges to "establish" that it is much more Price-effective to add bulk insulation than to setup a radiant barrier underneath the rafters within an present attic. In case the attic features a flooring and it is useful for storage (as is commonly the case in more mature households), then there isn't a simple method to add bulk insulation.
In case you have a four part 8ft tall garage door, then you need to be good with a person package. 1 package will deal with 8 and 9 foot wide garage doors, although two kits is going to be required for sixteen and eighteen foot broad garage doors.
Fantastic post - have already been arguing this issue with my insulation guy for years. Within the lighter side, anybody else catch the radiant foil/barrier adverts everywhere? Humorous is sweet.
You happen to be exactly proper that Texas homeowners with attic ductwork Will not will need preaching -- they want alternatives. And also you're proper that a properly set up radiant barrier can be Portion of the solution.
Afterwards during the period, in March and April, sun can shine on your roof shingles and warm your attic. That's helpful up north. A radiant barrier will somewhat raise your heating costs -- not more than enough to help make a big offer about, particularly when you've sufficient insulation on your attic floor -- however it's Secure to express that your included heating charges will probably exceed any discounts in the course of the air conditioning season.
Oct 06, 2010 03:01pm
In my situation, I expended $350 in materials to take care of 1200 sq ft by stapling to the rafter undersides. I intentionally Will never deal with the northern/shaded attic Room as the return on that expense (fewer of a temp differential) will be inadequate.
I is likely to be not shiny guiding the air Place after mortar dropping, but appears to be a lot better than practically nothing In this instance and fairly successful. Feelings everyone?
I have really tailored a motorized duct damper that closes heat distribution to most of the upstairs when the system requires heat, because I would like to work with as an alternative to from convection and also have the warmth pushed downstairs and let it filter up. I also ignored all four HVAC contractors who stated it was unachievable to add an upstairs air return to our steep roofline victorian. I would not acquire no for an answer, and found a way Air conditioning to incorporate a 12"x12" return by harvesting the upper shelf of the wall cabinet to get the duct with the upper attic on the facet attic the place the air handler is locating. This all currently being accomplished right after I'd a type of utility-subsidized blower door and duct pressure checks, which uncovered that my air return was unsealed and wide open up for the joist cavities between my two floors (I needed to Military crawl within my partitions with precut plywood and Excellent Things to rectify this situation).
Steel back garage doors are expensive and any time you are able to prevent from needing to puncture them, the higher off you are Over time. For a long time, the only decorative hardware set up on garage doors was made from steel, and it demanded the installer to drill holes in the outside experience to connect it with screws. Many homeowners don’t like The reality that their brand-new insulated door is getting punctured.
It is teams like yours that assistance get the actual word out about what measures people really should be taking if they really need to further improve their houses functionality and realize Power efficiency gains.