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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46 views

Tips for closing a gap between outside door and floor

The door to my new apartment has a large gap that allows cold air to flow in What is the best, simplest and most effective way to plug this gap?
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Is there any reason to not caulk/foam between the garage door jamb and rough opening?

There is a gap between the rough edge and the garage door jamb. From some research, it seems like it's common practice to caulk/spray-foam this area to prevent drafts/etc. However, before doing so, I ...
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Insulating solid walls, permeable membrane vs solid insulation

I've got an integral garage being converted to living space (bedroom). Around half the longest wall and rear wall is below ground which is insulated and well drained from the outside. Front wall ...
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Best material to protect concrete outdoor retaining wall from BBQ/pizza oven built onto it

Note - I've read Should I insulate my pizza oven between the firebrick base and concrete? and Will a slab poured with mortar stand up to service under a pizza oven? but they aren't rerally what I need....
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118 views

What to do if insulation is too thick?

I was careless with an insulation order (months ago, non returnable AFIAK). I bought faced batts of R-30, labeled as 10 inches thick for my garage. However, my garage framed with regular 2x4. How much ...
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How can I insulate this junction box?

I have a junction box in my unfinished attic that supports a light fixture in the room below. It doesn't fit exactly to the lath and plaster and I'd like to insulate for sound intrusion (the attic is ...
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insulate walk up attic stairs (not pull down)

I have a full set of stairs that walk up into an unfinished attic space. The full sized access door to these stairs is in a hallway as if its a closet. Unfortunately, the max distance I have under ...
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Vinyl siding on concrete walls

I have to install vinyl siding on an exterior wall built from concrete blocks. Anyone have any tips on correctly weatherproofing and insulating? I was thinking to lay 3/4 EPS rigid insulation then 1/4 ...
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Door weatherstripping gap after new door install

TLDR - Installed a new door but old door was non-standard size by about 1/4, about 80 by 36 1/4. Added 1/4 strip to hinge jamb but now there is a gap with the weather stripping and serious draft issue ...
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How can I insulate aluminum window frames?

I live in a rented apartment with aluminum window frames and double-pane windows. Now that it is heating season, I am noticing that my window frames are incredibly cold to the touch when it is cold ...
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Secondary window glazing in Texas

I have 11 square 31"x31" double-glazed windows (likely not low-e glass) that are aluminum framed without a thermal break, so the interior frame becomes almost too hot to touch in the summer ...
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What Rigid Foam Insulation Thickness is Comparable to 300mm Rock Wool Insulation?

I'm in the UK and in a house built pre-1900. In there I have rock wool on top of old rock wool and vermin are finding this very inviting (found out after I bought the house). Because of the smell and ...
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Is the water pipe / plumbing insulation similar to air conditioner line insulation?

I'm trying to change a worn out insulation on the air conditioner outside of the house. Is the plumbing insulation similar to the insulation on the cold AC line (refrigerant line?) on the unit outside ...
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How best to insulate against heat loss from house to garage?

I have a utility room with an internal door leading to the garage. The utility room is warm but loses heat through the door into the garage. The garage has a roller door made of pretty thin metal with ...
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Insulating and leveling sunroom floors

We have an old, 1911 house in Minnesota. Our front room is a converted porch which is drafty and quite sloped. Our plan is to rip up the old linoleum floors, get down to the joists, and essentially ...
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How should I insulate my old brick house?

My house was built in 1920 out of a single layer of 8-inch thick hollow brick. I am looking to insulate the walls in the upstairs entirely from scratch -- there's no insulation on them at all right ...
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Is there a feasible way to insulate one half of a single room?

I live with my partner in an apartment (I'd say our room is roughly 300~ sqft) and there's a bit of an issue with room temperature that we can't really put down. They love it cold and I prefer it more ...
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Buying a large shed to use for a climate controlled workshop, what insulation options do I have?

I'm going to get a prebuilt shed and I want to use it for a workshop so I want it climate controlled (I live in New England). Before I order I want to make sure I get anything I need added on (house ...
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Fiberglass fills attic rafters, planning another 3" of fiberglass perpendicular to rafters, but how should I navigate my attic after installation?

I have fiberglass filling my rafters, very nearly to the top. To meet my insulation target, I plan to install another 3" layer of fiberglass perpendicular to the existing fiberglass... but this ...
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vapor barrier insulated attic (floor over garage

I recently hired pros to spray foam my attic, essentially sealing the soffits, roofdeck, ridge vent, and the removed all cellulose insulation to allow air exchange and balance the conditioned space ...
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Does the sill gasket foam compress?

This is related to this question: How can I attach drywall directly to cinder blocks without using furring strips? I am replacing an older strip of drywall that is at the bottom of the wall The upper ...
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Should I use PIR or mineral wool (or both) to insulate an interior-ish brick wall?

TL;DR: exposed wall of a brick room in a shed-like roofed structure, what to insulate with? I live in a late 19th century log house in central Russia. It's got an uninsulated extension, as most of ...
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Insulating a shed roof for winter use

I’m building a small (10 x 12 ft) shed in my backyard that I plan to use occasionally as a workshop. I live in Vermont, and wouldn’t use it during the dead of winter, but want to be able to make it ...
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Insulation tape behind a baseboard heater

In the apartment I am in, there is baseboard heater located under the balcony door During the winter cold air come through the wall, and from gaps or crack between the wall and the floor Usually ...
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Insulating stuccoed terra cotta garage walls

We have a detached garage that's made of hollow clay bricks (structural terra cotta) covered in stucco, both inside and out. I'd like to insulate and heat it for use in the winter. The problem is that ...
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attic remodel - insulation, ventilation, and general questions

it's time to really get to work on my attic remodell. House is gable roof home with continuous soffit vents (of a kind - my home doesn't have eaves really, there is only a tiny amount of overhang, so ...
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Is this fiberglass insulation?

I'm having a difficult identifying the type of insulation behind a section of drywall. The home was built in North America around the 1940s. It's undergone several rounds of renovation projects and ...
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CO2 from ductwork, HVAC and gas tank in attached garage

We live in older house in northern US with annual wildfire smoke and have exposed ductwork, water heater and HVAC unit in attached garage. No wall or room separating it from rest of garage. How do we ...
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54 views

Best insulation for water pipes in garage ceiling? [closed]

I have an unconditioned garage with a few water lines near the exterior wall and above a garage door. I live where the temp could drop to 0 one or two times a year, but in the winter is mostly about ...
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Proper Insulation or Casing for Running BNC Camera Cable Outdoors in the Cold

I am installing closed circuit surveillance cameras outdoors in a very cold climate (reaching as low as - 30 deg. Celsius). What would be a sufficient way to protect the wires in this climate? I plan ...
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Which damp foil / vapor barrier shall I use when insulating?

I'm insulating using rockwool between two floors and wondering which foil shall I use on the small section that faces the outer wall? Its a old poorly insulated house from 1930 with brick walls. Also, ...
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What is the right way to insulate a cinder block basement wall from inside when you only have room for furring strips and drywall?

The wall behind the toilet in the bathroom I am renovating is cinder blocks When this was finished the wall was first covered with some black paper (like tar paper but thinner) then they installed 1x4 ...
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Stove top too hot after replacing oven insulation

A mouse ruined the insulation in my stove, so I called a repair guy to replace it. I really have no idea whether he used a factory approved replacement, but the company said he would. Now the stove ...
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Recommendations for basement insulation where studs do not touch the concrete walls?

I'm working on our basement reno, and am looking for recommendations to insulate. We are in NE Kansas, Climate Zone 5. The basement is below ground. We currently have a reflective foil bubble ...
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Is it safe to use new work plastic device boxes with spray foam insulation?

Looking to use plastic outlet boxes (NuTek One Gang Plastic Device Box - 18 cu-inches) for a home renovation. I've taken the exterior walls down to the studs and will run new 12/2 20A circuits with ...
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Average R-Value for a house without knowing the materials?

I know enough to be dangerous, in that it makes me think there should be a way to do this. I was reading a paper This Thermal House. And one thing kind of stuck in my mind when I read about the ...
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Do I need to replace all of the insulation if the AC condensation causes a stain? [closed]

I recently noticed a stain on the living room ceiling of my second floor condo unit. Above this ceiling is the master bedroom. I had a contractor come by who informed me it was likely condensation ...
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How to seal the frayed fiberglass border of internal duct insulation in the middle of a duct

I had to remove the bottom foot of internal duct insulation touching the ground due to sewage backup. Now that there is a frayed edge of internal insulation inside the ductwork with the remaining ...
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Does Johns-Manville Super Felt rock wool insulation contain asbestos? [closed]

Bought a home that was built in the late 1920s. Was checking around the attic when I saw "Johns-Manville Super Felt" insulation. Upon some research there seems to be contradicting ...
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Can you use a Swiffer dry cloth to pickup fiberglass dust?

Had to rip out some internal duct insulation in the mechanical room and I want to clean up invisible and small leftover fiberglass fibers. I also mistakenly used a shop vac initially so I'm afraid ...
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Question: Condensation - Insulation and a 130 year old double boarded house

I own a house that was built around 1890 to 1910 located in central Pennsylvania. It is a double boarded house meaning that it has no framing at all, it is a unique type of construction that was used ...
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How to have skylight windows without turning the house into a cooker

My kitchen and dining room area has slanted sunward-facing skylight windows. It's great that it makes the space feel so huge, open, and bright, but during the summer it turns the whole house into an ...
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how should I handle this into-the-wall section of the refrigerant pipe insulation?

I had my first insulation replacement. The section that went into the wall was such a tight space; I didn't believe I could wrap my new insulation around it. How was the old insulation so much thinner?...
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What is this stuff in the wall behind my bathroom? (Is it asbestos?)

I'm planning to have some bathtub faucet stems replaced, and I'd like to do some due diligence before hand. The plumber will have to do some work in the area pictured. The picture shows the access ...
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Insulated window covers that can easily be opened and closed?

We have a room with old aluminum windows. I’ve included a picture of the windows. We have an A/C in this room, but these old windows never close tight, so most of the cool air escapes through those ...
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short refrigerant pipe sweating, need insulation ideas

I have noticed the refrigerant pipe that is inside the condenser, the one that connects to the compressor, was sweating the other day. I did read on here as far as energy efficiency goes it does not ...
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What type of insulation is this?

Planning to get this tested for asbestos, but on a cursory glance, is it apparent what variety of loose fill insulation this might be?
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Undestanding condensation differences between shipping container and conventional frame construction

I'm watching this video by Belinda Carr where she advocates for insulating the outside of the shipping container. She contrasts shipping containers with conventional framed houses. This seems counter-...
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How much garage ventilation is necessary?

The Background I have a 2-car, attached garage with additional shop space. The garage area is roughly 19x21 while the shop space is roughly 12x27 for a total of ~725 sq ft. See the very not to scale ...
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How does ceramic window insulation film work?

I understand that mirror/reflective film works by having metallic components that reflect infrared energy back outside. However for ceramic window film it is usually described as absorbing or "...

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