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Adding more attic insulation What type should I use?

I live in MarylandMy home is a pretty standard colonial built in 1966When I moved in, the blown-in loose insulation had pretty well settled, so I purchased some rolls of plastic covered Owen Corning insulationThey come in 25ft rolls and were simple to installIt helped a bit, but the 2nd floor is still cold in the winter and warm in summer.I'm a do-it-yourself kind of guy, so should I:1) Install another layer of the owens corning attic insulation (perpendicular) on top of the existing (I've heard I need to be careful with moisture buildup with plastic lined insulation???)2) Should I remove the rolls and just blow in gobs of insulation using a rental from Home Depot3) Should I just blow in gobs of insulation on top of the rolls of insulation that are there.Many thanks

Answer:

An oxide is something that contains at least one oxygen moleculee.g., Carbon Dioxide 1 carbon molecule, 2 oxygen molecules Dihydrous Oxide (water) 2 hydrogen molecules, 1 oxygen molecule
Manganese Oxide + Hydrochloric acid - gas + ? Manganese Oxide + Hydrochloric acid - gaseous water + magnesium chloride MgO + 2HCl - H2O + MgCl2 Manganese Oxide + Hydrogen Peroxide - gas ? Manganese Oxide + Hydrogen Peroxide - magnesium oxide + gaseous water + oxygen gas 2H2O2 + MgO - MgO + 2H2O + O2
The suffix -ide is appended to the name of the negative component in a binary compound whether the substance is ionic or covalentAs the name binary implies, these compounds contain only two kinds of atomsThe name of the compound formed between aluminum and nitrogen (Al?N?) is aluminum nitrideThe compound formed between iron(III) and phosphorus (FeP) is iron(III) phosphideThe compound formed between hydrogen and selenium (H? Se) is hydrogen selenideAnions are elements that have ionically gained one or more electrons from a non-metal when reactingThese binary compounds also follow the rules for namingSodium and chlorine react to form the ionic substance (NaCl) named sodium chlorideSo, not all elements whose names end in -ide are anions but all are the negative component in their respective binary compounds.
You do need to worry about moisture buildup if we are talking about laying two layers of plastic wrapped insulationBut with just the one you should be fineIf you're sold on batts go with bare insulation laid perpendicular, I love batts because you know exactly how much you're insulating each areaHowever blown insulation works as well and it's cheaperThe only danger with blown insulation is if someone else is installing it they can fluff it up to make it look like you're getting more than you actually areIf you're doing it yourself that shouldn't be a problemIt's odd that the second story is cold in the winter, is your air duct system working wellThe upstairs and down stairs aren't on the same system are they? If they are you need to add more openings to the upstairs if it's just one room or something similarIf It's a pretty large area you may need seperate systemsI don't know if any of this helps and my tendency to throw in the duct work is just because thats what I do for a livingFoam insulation where the wiring goes through the top of the studs helps a little, and I'm sure you've already weatherproofed your doors and windows, beyond that I can't think of anything.
the suffix ide applies to any compound made up of only two different elementsNaCl for instance is sodium chlorIDE H2O is correctly named as dihydrogen MonoxIDEand so onSo you can have bromides, sulfides, oxides, fluorides etc, etc, etc.

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