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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48 views

Blowing in Wool Insulation

We bought a house in Northern Arctic Minnesota last summer. After outrageous propane consumption this last winter I decided to check out the insulation in the attic. This summer a leak developed and ...
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Insulating a vehicle ceiling, exterior vs interior application with cork

I have a truck with a large doka (9 seater crew) cabin. This is uninsulated at the moment. I am considering options for summer and winter insulation but do not want to sacrifice head space. I ...
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Crawlspace encapsulation

This past weekend I recently had to fix the flooring of my family cottage. In a heavy-traffic side entryway, the plyboard floor was bending when you walked over it. We opened up the floor to see ...
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51 views

Do I need a moisture barrier outside my garage wall insulation?

I want to insulate my garage and drywall it , The outside walls are bare brick with 2by 4 studded walls on the inside do I have to put a plastic barrier up before I use batted insulation to keep ...
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45 views

Difference between various Radiant Barrier types

Can someone explain me the difference between radiant barrier types and which one is the best option? I am seeing products like foil, Double Insulated Metalized Mylar Double Foil Bubble Wrap. I do ...
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Restoring steel casement windows

I’m dealing with some 1930’s era steel casement windows, Tudor revival style, that are in reasonably good shape for the most part. They need some maintenance and would like some suggestions for how ...
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Easy/Cheap fix to insulating 2x4 exterior wall in Maryland

I am living in an rowhouse with exterior walls built of 2x4's. When it gets really cold in the winter - I can feel the cold coming through the wall of my bedroom when I put my hand on it. The wall ...
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Could this be asbestos? The boards are left a few meters away from my door

The landlord said that "it's plastic stock, left from renovation on windows" from another apartment. It doesn't look like plastic to me, but then again I don't know much (very little actually) about ...
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343 views

What's the best way to insulate an attic with 2x4 joists?

My 1938 home currently has zero insulation (aside from a few fiberglass batts haphazardly tossed about). The ceiling joists are 2x4 (spaced 16 inch OC), rather than the more modern standard of 2x6 or ...
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Great Stuff Foam sealed gas pipe, fire safety

So I have a pipe penetration problem at the gas pipe. I hired a contractor and he decided to use great stuff to seal the gap. Would it be a fire safety problem? Thanks,
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how to insulate attic that contains high-efficiency furnace?

We have an older home with a separate high efficiency furnace for the second floor. It sits on a floored area of the attic. We have virtually no insulation and I've gotten various recommendations ...
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106 views

What type and rating of insulation should be used in a basement bathroom?

I need to replace the insulation on the back and side of the bathtub. The walls face the exterior of the house (poured foundation). What type and rating should I use? I can't tell what the ...
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47 views

Insulating built-in air conditioners

My apartment has Frigidaire built-in air conditioner holders. I did not buy a Frigidaire AC unit because the size needed to perfectly fit the holder was unnecessarily large (and expensive). I have a ...
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57 views

Attic Temperature Affected by Insulation

I recently moved into the attic and converted it into my bedroom, There was insulation on the floor but none on the walls which made it uncomfortable to live in considering its the summer. I got a ...
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32 views

Keep and patch, or replace white rigid foam during basement remodel?

I'm removing old wood paneling and drywall which is glued to (what appears to be regular Styrofoam) foam board, which is glued to a cinder block basement wall. The goal is to add more insulation (2x4 ...
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53 views

What’s best for attic insulation

I want to improve my attic insulation. What is the best option to use - Fiberglass batts or blowin insulation? The code says R-30, but will R-38 or higher be better option (New York area and also plan ...
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302 views

Insulating a Detached Garage Ceiling

Currently the detached garage walls are insulated with batts of insulation, however the ceiling is not, so here in Illinois, the garage is pretty much unusable most days in the winter. I use this ...
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66 views

How should I insulate a cement exterior wall

I've recently had to remove existing drywall and insulation in my condo in Ontario. Notwithstanding the place being built 86, what was put in place was creative at best. Removing the wall revealed ...
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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 ...
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27 views

Insulating Cathedral Ceiling

I have a 1989 house with a cathedral ceiling built 2x10 rafters 24" oc. I am about to redo the roof, which would give me a chance to pull up the decking and improve the insulation. I am guessing the ...
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Which is the better first step: rebuilding a basement closet, or insulating the basement walls?

Recently closed on a split-level. The majority of it is well done, but neither my wife or I were content with the basement. It was partially finished, with a closed off utility room, some hideous ...
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Air sealing vent baffles in cathedral ceiling

I am reroofing my house. I am taking the opportunity to pull up the decking above the cathedral ceiling and adding air baffles to help cool the roof and reduce ice dams. In order to accomplish this, ...
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54 views

Can I add insulation over the original layer in my new home's basement?

I am looking to finish the basement in my new house that has insulation wrap installed in the basement. The insulation wrap is an R12. After studding the basement can I add additional installation ...
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RUST! are items more rust prone in an free standing shed than in my garage?

my garage is not heated or cooled but it seems tools dont rust there as much as in my free standing shed. why is that. can i simply cover outdoor metal items with a tarp to inhibit large % of rust ...
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481 views

How should I go about insulating a 1920's stucco house in LA?

I own a two story, 3200 Sq ft house in Los Angeles. The exterior is stucco and the walls are lathe and plaster. A year ago we had some water damage after a rain storm. When the contractor demo'd ...
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Is insulating suspended floor void with spray foam effective in reducing noise?

I am having my cinder block party wall insulated with stick-on panels. The property is a two story terraced house, and it has been recommended to insulate the void from floorboard to ceiling between ...
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Building an exterior wall within an exterior wall for insulation

I just purchased a 1925 beautiful home that is stucco on the outside and old plaster on the inside. I have some carpentry experience and am realizing the incredible loss f heat to the exterior walls. ...
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261 views

Basement insulation in front of vapor barrier

I am getting ready to finish my basement. We have lived in the house for 7 years, never any moisture or water issues in the basement. It currently has pink insulation from ceiling to 12" above floor ...
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214 views

Replace insulation in a Trane HVAC? (TWE030C140B0)

I found a little mold on the foil covering the insulation in my TWE030C140B0 air handler/ AC/Heater. I am 95% sure I have the moisture problem resolved and now I need to replace the insulation. Does ...
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Should I use reflective insulation over other kinds of attic insulation?

I just moved into a house made in 1969, it gets really hot during the sunny days and cold during the winter. I'm living close to the rocky mountains just so you have an idea how cold and hot it gets. ...
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615 views

Plywood over rigid foam over concrete: will I have moisture issues?

Short version: If I install 3" of rigid foam over a poured concrete foundation wall that has been sealed with Xypex, will I have any moisture issues if I install plywood directly over the rigid? ...
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1k views

How can install rafter baffle venting without removing drywall?

I have a finished attic, that needs to be updated. The pitched sides of the roof are sheetrocked & insulated, the ceiling is a suspended ceiling (will be sheetrocked) and the low knee walls are ...
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was in attic for an hour without mask. could this cause issue?

my bathroom fan was dropping water so i went up to the attic and applied fiberglass insulation to the bare metal vent pipt from the fan out to the roof. i was up in the attic for an hour wearing ...
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How important is the weather stripping on the inside of a Velux skylight?

I just had the inside of the wooden frames around my Velux skylights painted. The painter did a good job, but I think when he was removing the masking tape from the skylight's frame, he pulled off a ...
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733 views

Insulating a 3 season room with no crawlspace access

I have a small room off of my kitchen that appears to have previously been a back porch with cement blocks as its foundation. I already re-insulated the walls and ceiling, but there's still obvious ...
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78 views

Insulating basement concrete walls - anything missing?

Live in Zone 5b, going to shoot for 2" of XPS DOW foam board. Planning on gluing it to the concrete wall with foam board glue and bracing it while it cures. It will run to either the top edge of ...
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58 views

Should I worry about this pipe insulation? (fiberglass vs asbestos)

I have found those pipes in my basement. I hope its fiberglass, but not sure if its asbestos, because it got placed in the 60's or 70's (in my country the use of asbestos got banned in 2005). These ...
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31 views

Foam insulation around edge of bath. What is its purpose?

While doing some bathroom renovation, I noted foam insulation around the edge of the recessed bath when examining underneath it. The foam would extrude in places above and below the edge of the bath ...
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57 views

Finishing garage for year-round woodworking workshop

In Toronto, ON and I'm finishing my attached double garage (20x20) in hopes of setting up a woodworking shop. It's not currently heated or cooled but I plan on using it year-round so heating is ...
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139 views

Storing comsumable dry goods in your car in the summer? [closed]

I live in South Florida where the summer sun has no mercy. I drive a new van and I've taken steps to keep the inside cooler during the day. I live in the van for weeks at a time and need to store ...
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36 views

Improve existing roof insulation from the inside

We have a pitched roof (1971 house, The Netherlands) which consists of (outside to inside): Tiles 2cm PUR insulation 2cm wood We asked a few companies for quotations to improve the insulation (...
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insulating a sauna

I bought an indoor cedar infrared sauna but have little space inside for it so have it on my covered deck. I do realize it should not be outside over the winter but it is difficult to move it on my ...
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454 views

Polystyrene or other foam instead of mineral wool in low pitch loft

Have a 1970's 3-bed detached house with quite a low pitch roof - thus making loft space and accessibility less than easy. We are UK based. We've got bare minimum insulation at present (seems to be ...
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79 views

Redoing insulation in the basement of the home I recently purchased

I recently purchased a home and have begun to do renovations on the basement. I am starting to look at insulation and so I have been researching what the best way would be to do that. The problem I am ...
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Room easy to warm with heater. But difficult to cool with A/C. Is this not insulation related?

I live in an apt building in the 60's. I always notice that the room is always warmer than the outside in the winter time(even with no heating). This stays true in the summer time where it would be 65 ...
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4answers
3k views

Will adding a cool air return in the basement help with summer AC power usage?

Pretty much the title. I have a full basement. Part of it is unfinished and has the water heater, furnace, and washer / dryer. The other part (roughly 1/2 of the total space) is partially finished. It ...
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36 views

Attic Insulation Questions

We live in an early 1970s ranch style house. Single story. Attic formed by the 2x4 trusses on 24 inch centers. The insulation is R13 batt layed on top of the ceiling dry wall but this has been removed ...
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1x8 roof sheathing VS plywood/osb

My 1955 home has a flat roof with 1x8 sheathing. It's time to replace the roof, and I am considering replacing blown-in attic insulation with batts, at the same time. The attic is only 20" between ...
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Concrete slab insulation is in the way - cut it back for flooring?

I have a converted garage built on a concrete slab. The slab is insulated with styrofoam panels which extend into the room about three inches, so the flooring does not go all the way to the interior ...
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152 views

insulate knee wall with faced or unface

Looking for more info on the insulation process of a knee wall. I was thinking of insulating the diagonals of the roof line. not what I'm unsure of is, was is the correct type of insulation faced or ...