Tagged Questions

Insulation is any material used to slow the transmission of heat or reduce the transmission of sound. Typical materials include fiberglass, foam, blown cellulose, and reflective foil. This should not be confused with weather stripping.

learn more… | top users | synonyms

1
vote
2answers
51 views

Bunch of insulation questions

I have the following situation. I have a raised ranch and we're having drain tiles installed. I wanted to use this time to install some additional insulation while we've got wood paneling down. The ...
1
vote
2answers
78 views

Quick and cheap insulation for skylight

I just moved into a condo and on the top floor there is a skylight window. The room gets pretty hot during the day, I have friends coming in town this weekend and I would like a cheap and quick fix to ...
0
votes
2answers
60 views

What type of insulation should be used to deter subterranean termites?

My house's structure is made of wood and there are subterranean termites (non-formosan) in my yard and area. I am planning to excavate and insulate the slab perimeter in the interests of saving on ...
0
votes
1answer
74 views

How can I add insulation above my finished ceiling?

What is the cheapest option for adding insulation above a finished ceiling? There has never been any in the spot that I need it. Should I take the roof off or have it sprayed in? The space is 20 feet ...
0
votes
0answers
16 views

How do you replace the insulation in a stove after mice have ruined it? [duplicate]

How do you replace the insulation in a stove after mice have nested in it ? I had to do it this way because the other thread wouldn't let me answer. The way I found is this: Wet all the old ...
2
votes
2answers
218 views

Can I re-fluff blown-in fiberglass insulation with a cellulose blower?

I am planning to add blown-in cellulose (GreenFiber) to my 15' x 40' attic, which currently has blown-in pink (circa 1971) which has really settled/compacted. A lot of it, I can actually pick up in ...
0
votes
1answer
38 views

insulation below fireplace

I was removing wood paneling in the basement to fix some seepage cracks and I noticed a huge space that was un-insulated. This spot had some pipes running through it and it runs right underneath the ...
1
vote
1answer
45 views

Insulated radiator foil

I'm concerned that the insulation/ cardboard foil that's behind my recessed radiator is asbestos. My house was built in 1960. Does anyone know if they made that stuff with asbestos? Before purchasing ...
0
votes
1answer
86 views

How do I stop the second floor of my house from being so hot in the summer and so cold in the winter

I have a window AC upstairs in the summer but it is not enough I can fell the heat coming off of the ceiling in the summer and in the winter it is way to cold that my kids have to sleep downstairs ...
2
votes
2answers
113 views

How can I insulate behind pipes that are close to a foundation wall?

Reading around, it seems like most people suggest to put up XPS insulation when finishing a basement. That's great and all, but how do you put 2" of rigid foam behind pipes that already exist in the ...
1
vote
1answer
345 views

What kind of insulation should we put under new tin roof?

We live in an old long leaf pine farmhouse that has no insulation in it. We are going to be putting a new metal roof on the house. The attic of the house was made into living space and so there is ...
0
votes
0answers
51 views

What is the minimum thickness of an insulated bathroom wall

I am trying to build a basement bathroom in the corner of the house. Where I am, basement insulation codes are R10/13. What is the minimum that I can do to frame and insulate a wall. The two ...
1
vote
1answer
70 views

How to keep an attic over the garage cool?

The space over my garage is dominated by a large dormer, which I use as my office. On either side of this dormer, the remainder of the over-garage area is attic space. We have access panels into ...
1
vote
3answers
173 views

Gutted a basement and found a window, what should I do?

I recently gutted my basement in an early 1900s home that was finished in the mid-80s, and discovered a window! This window is directly under my front door, hidden by a deck that I've never really ...
2
votes
3answers
133 views

Insulation options for narrow ceiling space

I've got a flat roof ( wooden, sealed with tar and then roofing iron on top of that ) with a 30 cm gap between the ceiling. Not really enough for someone to crawl in unless skinny. There's no ...
0
votes
1answer
49 views

Old cellulose insulation holding heat during summer

We have a house in Seattle that is 60 years old with 6-8" of blown in cellulose insulation in the attic with an inch of rock wool under that. There is basic ventilation in the attic. The trouble we ...
2
votes
1answer
85 views

What's the best way to insulate an outdoor sauna?

I am designing a 4'x4' sauna. Most information online is for indoor saunas. From what I've gleaned, the layers should be (for example): Outside ––> cedar exterior ––> tyvex ––> strand board --> 2x4 ...
1
vote
1answer
64 views

It is safe to insulate my uninsulated oven?

I have a Hotpoint gas range. I got it because it has no electronics and will probably last until the bombs fall and the ants and cockroaches take over. It is awesome, and cooks my food as well as any ...
1
vote
0answers
74 views

How can I insulate a combo basement/crawspace?

I live in Louisville, Kentucky, so we have relatively cold winters (nighttime lows consistently below freezing) and relatively hot, humid summers (daytime highs consistently in the muggy 90s). My ...
1
vote
1answer
65 views

Vapor barrier for room next to garage?

I'm finishing a room that was built between the house and detached garage. I know I need to put 5/8" drywall for fire protection after insulating the wall. Do I also need vapor barrier? If so, how do ...
0
votes
0answers
56 views

Bathroom remodel - Insulation/vapor barrier behind tub surround question

I am renovating my bath and my tub surround says it should be fastened to the studs. With this in mind my 1923 building has serious insulation problems and I would like to add R value as well as some ...
0
votes
1answer
155 views

How would you repair this exterior foundation insulation/wrap?

A home I purchased, which was built in 2005 located in the upper Minnesota/US (frigid winters, balmy summers) has the larger faces of the above-grade poured foundation covered in a strange insulation ...
0
votes
1answer
64 views

Adding ventilation and insulation with limited soffits

I’m hoping to add some insulation and ventilation to our attic. It’s a 1954 with a 1991 addition. The second floor is warmer in the summer, the original part much warmer than the addition. Current ...
1
vote
0answers
49 views

Does this count as a material alteration or repair for code purposes

Ontario Building Code, 2012 Except as provided in Section 3.17. of Division B, Section 9.40. of Division B and Part 11 of Division B, if an existing building is extended or is subject to ...
0
votes
0answers
73 views

How to insulate this portion of split AC Pipe?

I bought a new Hitachi split AC lately which isn't cooling as much I was expecting. I checked for leaks/bad installation and found this. (This is connection point of external pipe and pipe which ...
1
vote
1answer
59 views

Type of insulation between exhaust flue and chimney flue?

We converted a wood stove to a propane fireplace. It's a direct vent but we're only using the exhaust insert. The intake air will come from the interior. Anyways, as such, we have a gap around the ...
1
vote
2answers
115 views

How can I secure a metal frame to polyurethane foam?

I have used polyurethane foam to cover a 5 cm (2 inch) horizontal gap between a metal door and the ground. Polyurethane foam , as I know , needs to be covered with cement in order to withstand the ...
1
vote
2answers
137 views

Can insulation batts run on top of wall studs?

Our house has vaulted ceilings, and the attic space contains three walls that are shared with living space (bedroom and living room). The attic sides of these walls have batts of insulation on them, ...
1
vote
1answer
115 views

How should I install underfloor heating over OSB subfloor?

I need some help on my DIY project for underfloor heating system in an apartment. The question is on the screed requirements provided that I have the following (non traditional) setup. There is ...
1
vote
1answer
73 views

How can I add more insulation to this roof?

We've recently leased an office in a tropical climate and I am trying to figure out the best way to increase the insulation in the building. So far I've researched: spray insulation (options are ...
0
votes
0answers
73 views

Insulation of Basement Block Wall and Framing

In finishing part of my basement, we've gone ahead and installed 3/4" rigid insulation (R-3.8 IIRC), and then 2x4 framing against the rigid insulation. Then, the small gaps with between the 2x4 ...
2
votes
1answer
129 views

Can I insulate between a brick chimney and drywall?

Can I insulate the space between a brick chimney and the drywall inside my home? I am getting heat transfer from the brick to the drywall in the summer from the sun heating the brick. My thermostat ...
0
votes
0answers
113 views

Can I run heat tape on my water pipe behind drywall without hardwiring?

In removing the ceiling tiles in renovating our basement, it came to my attention that the first 5 feet or so on water supply line has heat tape on it. While we've had no problems with it freezing ...
1
vote
1answer
136 views

How does water supply enter into a pedestal house in cold climates?

I do a fair amount of traveling through West Virginia and other Appalachian destinations and I have noticed a number of pedestal houses (that stand on concrete piers, wooden posts or a combination of ...
2
votes
1answer
198 views

Can I properly install Roxul mineral wool batts in a mostly-drywalled stud bay by pushing them up from below?

Using my nifty thermal camera, I discovered that my furnace closet's combustion air duct (visible in this question) is getting really hot when the attic heats up, and then (being sheet metal) it ...
2
votes
1answer
116 views

Is rigid foam on rim board in basement worth doing if walls aren't insulated?

We bought an older home that we use more as an office. The basement is totally uninsulated including the rim joists. Last winter, it got really cold down there to the point that the floors upstairs ...
0
votes
2answers
115 views

How do I insulate a strip foundation from below?

While building a strip foundation (a concrete wall starting several feet below ground) I have to insulate it from moisture because otherwise moisture will get into the foundation and into the ...
5
votes
4answers
376 views

Air sealing a whole house fan

I have a whole house fan installed in my house from the previous owners. I love the fan, as it lets me cool down the house quickly in the evening -- or after I fill the house with smoke from ...
1
vote
2answers
229 views

How well does masonry blocks used in European home construction insulate compared to a well insulated American (wood) wall?

Are there any equivalents to the Building Science insulation reports done for the US/Canada done in Europe? I spent the last few weeks going over some properties that I will be rehabbing in France ...
1
vote
2answers
117 views

mesh net to help keep crawlspace insulation from sagging

Is it practical to install netting for crawlspace insulation to help keep loose insulation in place? If so how is it fastened to the floor joist and where can I find the netting?
0
votes
1answer
141 views

Insulate garage ceiling

I want to insulate the ceiling of my garage, to make the family room above it warmer. The problem is that the garage has a finished ceiling (no exposed beams), so how to I affix the insulation to the ...
2
votes
1answer
48 views

crawlspace insulation

I have crawlspace with an earth floor. it is approx. 24" from the ground to the floor joist. I have 6 mil poly on the ground. I have vents that will be opened in the summer and closed during the ...
2
votes
2answers
195 views

What can I fill a trench around my house with to avoid creating a drainage issue?

I am planning out my footing insulation job. Right now it's a pretty standard floating slab-on-grade with footings extending down a few feet, and the footings are uninsulated. A ring of concrete was, ...
2
votes
2answers
654 views

Adding insulation to exterior wall; remove stucco cladding, or add on top of it?

I have an exterior stucco wall that's not in super great condition. The outermost-layer was applied very badly and is flaking off, so doing a patch job or yet another layer seems like a bad idea ...
0
votes
1answer
74 views

Proper order of operations for re-doing windows, stucco, and footing insulation

I have three big projects coming up: Replacing all the windows and a sliding glass door Adding 2 inches of rigid foam insulation to the exterior and re-stucco-ing Adding rigid foam insulation ...
1
vote
1answer
185 views

Should I install insulation between the rim joist and the top of foam insulation?

I am in the beginning phases of finishing my basement, newer house with poured cement foundation and engineered I-beam floor joists. No moisture issues in the basement. Rim joist currently has a batt ...
4
votes
3answers
172 views

What happens if XPS is an inch away from basement walls?

I live in Maine and am planning to insulate my basement. It has fairly smooth poured concrete walls. I've read online that spray foam is one option, and 2" of XPS directly against the wall is ...
1
vote
2answers
112 views

What are my insulation options around a shower?

I'm remodeling my bathroom and shower and I'll be replacing the insulation on the external wall. This wall is the "back" of the shower (opposite from where the water supply lines are). With this in ...
0
votes
1answer
37 views

Worth it to add footing insulation if there's already a thermal break?

I've been considering insulating the outside perimeter footings of my 1972 ranch house in northern New Mexico. The slab-on-grade it's built on (that constitutes the subfloor) reaches a temperature ...
0
votes
1answer
62 views

Is insulation blockinng airflow of my vented soffit?

I have insulation shoved in front of my vented soffit's should the insulation Be there It was already there when we moved I didn't think much of an till I started doing some research after I blew in ...