Questions tagged [insulation]

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.

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25 views

Heat shielding paper under radiator cover?

What am I looking at here with this paper-ish material on the underside of all my radiator covers? They are pretty old covers, but I don't believe they are as old as the house (1923). Is this... dare ...
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Should I install acoustic insulation in ceiling in basement with switchback staircase and no door?

I'm finishing my basement. Is it worth it to install basic insulation or sound barrier insulation like Rockwool since there won't be a door at the bottom of the staircase? Above the basement living ...
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How to insulate around an electrical panel?

I’m insulating and putting sheet rock on my garage walls. This is the outside wall and the back side of the electrical meter panel. The large wire bundle going out of it runs through my attic to my ...
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What is the insulation in this hot water jacket?

Taking apart an old water heater and found this jacket - ripped to shreds, probably by the cat. Is it likely this contains asbestos or is it fibreglass? Here is a video Thanks.
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I need the thinnest insulation for floor that will have underfloor heating? [closed]

I have only 100mm of room for floor insulation and screed and I need thinnest insulation I can get
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41 views

Renovating bathroom, do I need to add a moisture barrier over insulation

I'm renovating my bathroom, and I have to rip out the entire bathtub and surround, so I decided to add insulation to both the external wall and the internal long edge of the bathtub surround - see ...
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Insulating Basement

Our unfinished basement has hollow cinderblock walls and I am wanting to insulate it and drywall the basement. Our house sits on a slope so the font of the house, including the basement, is ground ...
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108 views

Can I lay an attic floor over electrical wires?

I've been told that the electrical wires in the roof can heat up and potentially start fires if you cover them up. How can I get around this to lay the floor for an attic? The type of floor is just ...
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Stop pipe from banging without removing floorboards

We have a pipe that bangs for a while right when we turn the heating on. I managed to isolate where the pipe is (under the floorboards on one room), the problem is that I can't lift the floorboards ...
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Should insulation batts in my attic be lifted off the ceiling, leaving a gap?

I have what appears to be R-30 unfaced fiberglass insulation batts between my ceiling joists. The installation looks like I would expect, except that the batts appear to have been pulled away from ...
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How to knock a hole through wall in crawl space

I need to gett access to the crawl space under the floors in every room in my house so that I can fit underfloor insulation. I'd like to fit insulation board as it seems to be the easiest to work ...
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Outside Sauna Build Moisture control any suggestions?

I am currently building an Octagon sauna that will double as a mobile bug out shelter that will be mounted on a trailer. I'm putting the octagon on edge if you can imagine so that when viewed from ...
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White mold in the attic?

I've got an 1890s house in London. We started getting some penetrative damp through some of the upstairs walls so I've had a look in the attic to check if there's anything going on up there. It looks ...
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Insulating against brick in rim joist bay

I was hoping to air seal and insulate the rim joist in my basement. This is a balloon-framed house in zone 5, so the bays are open to the floor above. At some point brick and mortar were put in the ...
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Is it okay to insulate some but not all steam pipes coming from boiler?

I have a Slant/Fin boiler with un-insulated pipes in the basement. The previous owners of the house finished part of the basement and covered some of the pipes behind drywall in the ceiling. Is it ...
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Crawl Space Insulation in Montreal

I have the ground floor apartment in a 100 year old triplex on the plateau in Montreal. It's an 800 sq foot apartment with baseboard electric heaters and I'm currently using over 110kwH per day to ...
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Exterior Wall - Stacking Fiberglass insulation and Mineral Wool insulation

I am in the process of finishing my unfinished basement and had a question about stacking insulation. When framing the basement we realized we have alot of areas which have about 6~ inches of extra ...
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Doors to uninsulated walk-in spaces

I have two 32" doors in my house that lead to uninsulated storage rooms. I'm concerned about my utility bills, and I'm wondering if these doors are appropriately insulated. What kind of door should ...
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Is there a measuring method for determining of the real thermal conductivity of a building component?

We would like to determine which elements of building are to be renewed or changed. Among other things, we want know which elements are subject to a specific heat transfer. Does exist a measuring ...
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Could this be asbestos?

I'm gonna get the material tested - already bought the kit. But I'm wonder what people think - I thought it might be old mineral wool since I've seen stuff that looks similar to it. I'd read that ...
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Mid project finishing basement: should I rip out new framing?

I am learning that the wood framing that has just been installed (glued) in my basement really should have come after putting in continuous foam board insulation against the wall, separating the wood ...
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Adding new electrical outlet; ceiling insulation is sandwiched between drywall and plywood (attic)

I'm looking for a good technique to add an outlet to a wall that currently has no electrical. My initial thought until my discovery was to: 1) Identify the stud I want to anchor the outlet to 2) ...
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Another Question on How to Cover Up Exposed Insulation in A Basement Ceiling

I have read through many questions with a similar problem, but different circumstances than I have regarding this issue. The home is in Ohio so cold winters and hot summers built in 1997. I have a ...
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What to put down under new carpet or “luxury vinyl tile” to prevent cold floors?

We have a hardwood living-dining room floor that was improperly installed (before we arrived), and squeaks and creaks something awful. We plan to rip out the old flooring and put in LVT (luxury vinyl ...
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Gap where two different roof lines meet - best way to close up?

In my attic today I noted that where two different roof lines meet and overlap there is a large visible gap where light was coming in. It looks like they shingled the lower roof and then built the ...
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Fibreglass batt vs rigid foam insulation replacement in attic

Cleaning out attic in older 1954 rancher, original batt insulation badly damaged due to moisture (no leaks, but previous owners replaced roof in the winter) and rodents. Attic is vented via soffit ...
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How to fix chimney hole in roof?

I've starting insulating the roof and that got me looking at the "old" hole where a (useless) chimney used to be. That chimney got removed for a solar panel setup. As I'm insulating, this needs to be ...
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Does this loose insulation look like it might contain asbestos?

Was remodeling my bathroom, and after ripping open the ceiling a bunch of this loose insulation fell down out of my attic. Does this loose insulation from my attic look like it might contain asbestos?
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How to remove and reinstall wood panel walls?

I am looking at upgrading the insulation of a house from the 1950s that has vertical wood panel walls throughout. I think regular walls with drywall and paint are difficult to upgrade, as the walls ...
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Do I need to insulate my basement?

I am currently finishing my basement and wondering if I need to insulate my basement. I have already framed all the walls. I have a below grade basement and the temp is pretty consistent. Local code ...
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How to cover area under vanity with PEX exposed?

I just installed IKEA vanity and it requires re-run new PEX. Since behind the wall is concrete at corner wall, only way is to run PEX outside the 2x4 like picture below. But now it opens a hole like ...
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should concrete block wall be sealed on top?

I have a 2 story + basement townhome with 8" concrete blocks walls between my neighbors. At the top of each shared wall is a sheet metal cap. Some of the cavities have concrete in them but many are ...
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32 views

How can i insulate exterior brick walls

How can I insulate a house that is brick outside with nothing between the brick and the inside wall without enough space to put insulation between the two walls.
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Condensation on air con causing leak, best way to insulate

In the roof there is a large metallic air con box, the drip is coming from one of the corners, see photos. An engineer has said we need an external drip tray, and/or additional insulation. WHats the ...
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Which side up on installation of Fesco Foam Insulation?

I’ve got a stack of Manville Fesco Foam insulation boards salvaged from a commercial installation that I’m repurposing for the inside of my garage roof. I’m planning on machining them to fit around ...
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Adding fiberglass batts on top of cellulose; should I remove some cellulose?

I am adding unfaced fiberglass batts atop existing cellulose insulation in my attic. Currently, the cellulose is about 7 inches thick between/atop my 2x6 joists. I am wondering if it is worth ...
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Draft from fireplace

So I've read many diy ways to prevent the draft of an used fireplace. Mine is not in a working condition and I don't know if the previous owner of my home had ever used it. It's very very cold. I've ...
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How to deal with the mess when working with Tuff-R

Recently we bought a piece of Tuff-R -- I guess you would call it a styrofoam insulation board -- and cut it to fit a small window exactly. It is a temporary measure, to get through the winter. The ...
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How to build sunken shed foundation with insulation

I'm planning to build a garden office shed about 2.5m wide by 3m long. Regulations in the UK mean I cannot exceed 2.5m high since it will be close to the boundary of my property. The picture below ...
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111 views

Can I install a service panel on an exterior wall?

Is it within code to mount the breaker box on an exterior wall (not exterior but on a cold wall within the apartment)? The building inspector says insulation needs to put behind the box but there is ...
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What steps should I take to prepare for using a thermal camera?

I plan on renting a thermal camera to detect heat loss (e.g., missing insulation, leaks in HVAC) and water damage. Outside temperatures are getting down to freezing at night but are mid-40s during the ...
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Air Leaks Where Floor Meets Baseboard

Wondering if anyone had any suggestions to stop air leaks where floor meets baseboard. Is caulking the best way to go? The room with the air leaks has a cold floor anyway as it sits over an non ...
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Best way to add low voltage outlet to wall that has blown in insulation on the other side?

I want to add a wireless AP and plop it on top of the cabinets in my kitchen; thing is the wall I want to add the low voltage outlet to had blown in insulation on the other side. (The ceiling is ...
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Big box Pella vs. Pella Pella

The Pella salesman claims that his replacement windows are better than the Pella replacement windows that are sold at the big box stores. Is that true? I've done my best to ask the windows people at ...
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Need guidance in selecting a storm door

In relation to my previous question, Does a storm door help prevent heat loss?, where I learned that a storm door helps prevent energy loss, because of the air pocket between the two doors, now I am ...
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Is it safe to stuff some insulation above my electric stove?

I have a coil-style electric stove with a "hood" above it. The hood has a nice light fixture built in. It also has an exhaust fan which I frankly never use. The problem is that there is a gap where ...
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Insulating basement rim joist cavities

I'm trying to figure out the best way to insulate the ceiling corners in my basement. The wood is flat against the foundation of my house, and I can feel cold air coming off of it. There are joists ...
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Windows the big heat loss?

I am planning an addition and trying to compute the insulation design, and it seems like windows are where all the heat is lost. For example, thermal triple paned glass only has an R-value of about 2....
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Condensation on Skylight

So this is my first winter in my new house and I noticed the skylight on the second floor has a lot of condensation on the inside now that the weather is getting colder. It's an old single pane and ...
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Should I fill the void created by a magnetic strip used to insulate the door on the outside?

I installed this manetic strip for my mother in law, her door is in pretty bad shape but this works fine. She says there is sometimes water condensation on the metal part of it, do I need to do ...

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