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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How do I mount an AC wall unit onto a wall insulated with EPS foam insulation
I'm looking to insulate my house using blocks of expanded polystyrene (EPS) insulation that are to be glued on the wall. However my issue is that I have a couple of AC wall units, that are currently ...
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Proper wall assembly for finishing basement with half-concrete foundation
I am thinking of finishing my Ontario basement and have a question about proper wall assembly.
The grade of the lawn slopes down from the front of the house to the back, so that a concrete foundation ...
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Should I insulate a garage with a Mr cool Ac unit in it? [closed]
I have a Mr cool Ac unit in my attached garage.
I’ve insulated the main garage door with garage door insulated foam boards from a big box hardware store.
I only kick the Mr cool unit on when I plan to ...
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Is a sealed/unvented or vented crawlspace better?
I have read articles that a sealed crawlspace is usually drier than an insulated vented crawlspace. I have a vented crawlspace that is vented but is dry. Problem is some of the insulation is falling. ...
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What Type of Contractor Do I Need?
Recently we had water damage in our downstairs ceiling. Thought it was from a leak in the upstairs bathroom (since it is roughly below there), but when remediation team came out and cut out the ...
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Install old work electrical box on ceiling with blown cellulose insulation
We’re working on replacing a light fixture in our kitchen that turned out to not have an electrical box. This isn’t up to current code, so I’m looking to install an old work electrical box in the ...
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Are Metal Roofs Not Cool Roofs?
We have recently moved into a 1920s Dutch Colonial (curvy roofline) with an older asphalt roof. We are pretty sure we want to replace it with metal, but we're still trying to decide between aluminum ...
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Would I regret removing ragged fiberglass batting from ceiling of old house basement?
We live in 130-yr-old house in MA. Some previous owner installed fiberglass insulation between the joists over the basement. The basement's walls are uninsulated stone and the floor is a mix of badly ...
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Safe to install foil faced insulation over insulated HVAC line?
I have an exterior overhang on the side of my home with exposed/empty voids.
These voids are the spaces between floor joists in a crawl space.
I'm trying to seal off these voids to keep the drafty air ...
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Insulating a pre-existing suspended bathroom ceiling
The previous owner of my house has redone the bathrooms and toilets pretty well, with nicely finished suspended ceilings and downlights.
What he didn’t take care of properly was insulation. The space ...
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How to fix batten for insulation
How to fix batt for under rafter insulation?
Hey, so the plan for my pitched roof insulation is 15 cm of rock wool between lower part of the rafters. Then I need to instal perpendicular batten to fit ...
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Advice for keeping a Crawlspace functional and in good to fair condition (due to limited funds)
Hey first off thanks for helping with advice l've never owned a home with a crawlspace before this July. Little background, home is worth $110,000 paid market value. It's not a forever home so l'm ...
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Basement framing over dimple mat and french drain
I bought a home with an unfinished basement with the intent to finish it. I live in the Pacific Northwest of the US where we get lots of rain, and there was some water intrusion. We re-graded the land ...
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Advantages of lime plaster over battens with conventional insulation?
My head is spinning from all the different opinions I've received from local builders and other sources.
We have an old stone farmhouse, and all the eco-people are saying the walls need to breathe ...
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Can I run electrical PVC conduit through rigid foam wall insulation?
I am running PVC conduit for a 60 amp car charger through an exterior wall containing rigid foam insulation under the vinyl siding. I read the electrical PVC conduit cannot be surrounded by thermal ...
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Fixing a finished attic with poor/partial insulation
I just moved into a house with a finished attic. The second floor of the house (below the attic) is regularly 10 degrees warmer than the first floor with the AC running nearly constantly. I decided to ...
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What layer should lime plaster be applied to internally on stone house?
I had a plasterer with 47 years of experience come to see our old stone farmhouse. In one room, the electrician has cut through the wall. Underneath the gypsum plaster is a layer of what the ...
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Can I repair this sliding window to make it close flush?
Recently bought this 1982 apartment. The walls are reasonably insulated but this window is giving me grief. I believe it is the original aluminium window and simply will not close flush leaving an air ...
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Blown in Attic Insulation
I recently purchase a 1957 ranch style home with blown in insulation within the scuttled attic.
Attached are picture I collected of the blown in insulation and it looks like cellulose. However, I ...
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rigid insulation with vapour barrier out
Is there an issue with having rigid foam board with vapour barrier (isofoil) installed on outside wall?
drywall
vapour barrier ( plastic )
batts between studs
-> rigid foam board with vapour ...
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Can I furr out the exterior side of house wall studs?
I have a house built around 1910 with dimensional 2x4's spaced 16" apart. There are enough different issues going on that it makes sense to strip the exterior down to the studs and rebuild the ...
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Improving insulation of finished attic
I just moved into a 1930s house with a finished attic with knee walls which is not original to the house, though I don’t know when it was finished. I’m having an issue where the AC seems to be working ...
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Covering an open garage vent and painting the garage
First time home buyer trying to learn and be handy here. We just moved into a 2 storey TH with a single car garage. It is pretty spacious for being listed as a single car garage but the previous ...
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What's the hard layer behind my drywall?
In a 4 year old apartment building with steel studs, I’m using a stud finder on a wall opposite to a hallway to find stud locations. The results of the stud finder are confusing and not consistent ...
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Removable insulation for portable A/C in Florida
We live in a condo in Florida, where it is extremely humid and hot. We have central A/C, but I need the bedroom to be really cold at night, so we purchased a portable A/C for the bedroom (it is not ...
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What to do with duct in attic if I want to put in floor boards
We have big duct pipes running through the attic. We want to put flooring down but the ducts are long and thick and I don’t know if we can move than
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What's this pink stuff between bathroom walls
Doing a bathroom renovation and there is this really light pink stuff between the bathroom walls. It's light pink/white and feels like Styrofoam, and it crumbles into a bunch of pieces if I squeeze it....
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Faced or unfaced insulation for exterior wall bathroom
I am in Colorado and trying to figure out how to properly insulate the exterior wall behind the shower backer and tile. My understanding is that will be a vapor barrier. The exterior is wood siding ...
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Ideas for cooling a small office space with direct sunlight
As the title says, I'm looking for ways to cool a rather small room (approximately 4sqm) during summer. Its southern and western walls are windows, and during PM hours this room turns into a sauna ...
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Insulate cinder block wall
The exterior walls of the first floor of our house are cinder block with brick on the outside. The inside of the wall was painted black (not sure what that is) with furling strips then sheet rock. ...
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How to insulate main water pipe in vented crawlspace
I am insulating a floor above a vented crawlspace. This is an old house built on piers. I am adding insulation to the floor just above the crawlspace, and closing it with plywood from below to avoid ...
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Why is there a channel cut into the bottom of this door? How to seal the gap?
I have a fairly large gap between my door and the threshold (picture 1). Additionally, there's a gap between the door and the side frame (picture 2). Also there's this large channel in the bottom of ...
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How to blow insulation into a curved wall
I have been planning a project to improve the comfort in my condo by blowing insulation into the walls and ceiling crawl space. But some of my exterior walls have curved bay windows, and it occurred ...
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How to acquire clip and rail systems for exterior cladding
I’m interested in using adhered veneer stone cladding in conjunction with ComfortBoard 80 on my foundation wall. The attachment systems I’ve found appear to want you to be a contractor that they can “...
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What thickness foam is best under vinyl siding?
I would like to increase the energy efficiency of my home so am replacing all windows and siding. I'd like to add a layer of rigid foam board between the wood sheeting and new vinyl siding. The house ...
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Garage Insulation in Houston
I have a 25x25 foot detached garage in Houston, TX. It's very hot/humid here. I'm considering insulating and putting in a mini-split. Its a pyramid hip and has no venting. It has tar paper between the ...
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Can I squeeze rock wool insulation into a smaller cavity space?
I have a stud wall that's 45mm. Can I squeeze in rockwool batts that are 50mm thick?
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Alternatives to spray foam (or Gapotape) around foam board insulation?
I'm doing a cut and cobble insulation job in the roof of a 12'x16' Tuff Shed. The rafters are 2x4 and the spacing of each bay varies because of installation plus warping/twisting. I'm using 2.5" ...
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Should I replace fiberglass bats in my basement with rigid foam insulation?
I am doing some remodeling in my finished basement. I live in Zone 4a, and my basement walls are all filled with fiberglass bats against painted concrete block. The studs appear to be right against ...
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Where should I place mini-split heads in a converted building?
I've got a 600 sq. ft. metal building I'm turning into an ADU. The interior is insulated with 2" of closed cell spray foam all the way around, and finished with 1/2" drywall on 1x4 furring ...
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Is this fiberglass insulation and is it okay that it's sticking up a bit? Look like it's all over the underside of my stove door
Is this fiberglass insulation and is it okay that it's sticking up a bit? Looks like it's all over the underside of my stove door. As it's very sparkly. I've been having weird fibers around my house ...
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What size insulation should I buy for my AC lines?
There is zero tube insulation on the AC line on the roof of my condo. The line appears to be made of two different pipes welded together of different diameters.
Total pipe length outside is about ten ...
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What improvements can I make to help house cool down at night after a hot day?
I recently moved into an old craftsman house in southern California. The heat has really moved in in the last week, and I'm trying to get a handle on how to keep the house cool at night. The last week ...
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Insulation and A/C system selection in a metal shed
I've got a 20x30 metal shed that I'm trying to finish out as an ADU. I don't know enough about insulation and A/C to choose what to install. The construction will be as follows from exterior to ...
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How to insulate previosly enclosed front porch
My home is frome 1915, and the front and back porches were later enclosed, but they don't have full framing and insulation, just windows plus boards put up where the porch openings had been. What had ...
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Desperately need help with insulation/hanging drywall in metal shed
A little background- I own a quadplex but, due to the insane COL in Florida, I'm currently housing 4/5 of my siblings and I need another unit for myself to live in.
So I added this 20x30 steel shed to ...
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Sagging Attic Baffles? Need to Address?
So I recently bought a new home, and I was checking out the attic more closely for the first time. I noticed that the plastic baffles in my aren't vertical against the roofline, but rather are sagging ...
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Insulation pushing out underneath built-in shelving in garage
pushing out from underneath some built-in shelving in our garage. Today there is more of this material where I had removed it before - I'm convinced it's insulation from the wall. This home was built ...
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Basement subfloor - DMX + XPS (DuroSpan), no OSB?
Looking to put down LVP. Home built in 1980, located in Quebec, has a sump pump.
Having watched RenoVision subfloor video, and learned of the DIY DriCore+ of DuroSpan + OSB, but this doesn't have a ...
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