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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Adding insulation to exterior walls in wood frame house

My house is a wood frame, pier and beam, and built in 1885. It uses balloon framing (that is, bigger boards at wider spaces, mostly 4x4s at 24" spacing). Inside walls are drywall over 1/2 inch tongue ...
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56 views

What is the Source of the Approximate “R Value” Chart?

There is a Chart labeled Approximate "R Value" of Walls, Windows, Ceiling & Floor in one of the responses to the question How can I measure the r-value of a wall? What is the source of this table? ...
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78 views

Kitchen remodel to studs, infilling a window, no insulation, no building wrap!

looking for some urgent feedback. My Husband and I are remodeling our kitchen. We're down to the studs, and two of the walls are exterior. The house is a 1920's bungalow. We're actually making our ...
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46 views

Insulating the concrete columns

we are building a house with bricks and it has columns every 3 meters. Wall is going to be insulated with foam blocks and I am trying to figure out how to insulate the columns. Will putting a 2 - 3 mm ...
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66 views

Considerations for spray foam insulation with roof replacement possible in about 10 years

We have an old house in the Philadelphia area which we bought last year. This has a slate roof and we were told by our home inspector that we'd need to consider replacing it in 10 years. It is the ...
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82 views

Best practice to install corrugated iron/colorbond wall claddings

I am building a smallish house at the moment. The wall frames are erected & the roof trusses & sheetings installed: The house is at a stage where the wall claddings are to be installed. I ...
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40 views

How can I locate the roof vent off my septic system?

I am working on insulating my attic. While up there, I was looking for the septic vent line coming through, but couldn't spot it. I went back outside....spotted the vent on the roof, made mental notes ...
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51 views

Is it possible to install soffits from inside of the attic?

Is it possible to install soffits on the inside? I requested a quote from someone to unblock or install more soffit vents and on the quote he wrote " more vents install by soffit". He made no ...
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52 views

Can i replace the existing screed on concrete slab with floor insulation and electric underfloor heating?

Can i replace the existing screed on concrete slab with floor insulation and electric underfloor heating ? Standard screed thichness is something like 50 mm to 80 mm or so. My idea is to replace the ...
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22 views

Basement insulation under cantilever [duplicate]

I have a currently unfinished basement in a rather new home. There are a few places that have bay windows, or cantilevers that currently have only a bit of pink insulation thrown in fro the basement. ...
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42 views

what is air permeability of silicone caulk?

What is the air permeability rating of silicone caulk? (say, GE Silicone II). I see that at building science there is a listing of various building materials and their permeability ratings, but it ...
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110 views

which layer of rigid foam should i caulk when insulating rim joist?

I am insulating my rim joists with rigid foam board in a manner similar to that described on the familyhandyman's website. I am considering adding a second layer of foam board to get closer to the ...
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107 views

How can I stop an in-the-wall air conditioner from leaking air into the home?

As far as I can tell, the air conditioner fits nearly perfectly in the hole, but there is considerable air leaking into the home through the bottom. I think it may be because of metal strips that line ...
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60 views

how to fix the dry wall inside of the outer wall ? and what is brown glossy paper in between drywall and insulation? ?

I just found a mold in the bottom corner of my house inside of outer wall. I cleaned mold with bleach and cut the corner. is there any specific way to fix the dry wall of outer wall. Also plz what ...
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32 views

basement wall insulation

just bought a house the basement is below grade and the walls are all most finished needing one more sheet of drywall all the way around. im worried about the way they finished the insulation they put ...
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101 views

Should I add an air return in my basement and seal old vents?

My question is basically a variation of two prior questions: "How do I close and seal an old external vent" and "Should I add an air return in a finished basement." My house has a bottom level that ...
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167 views

What are my options for my chimney? (Ventless fireplace, insulation)

When we moved into our house it had an original chimney (now about 40 years old) but the original owners had converted the once-wood-burning brick fireplace into a ventless gas insert. I immediately ...
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107 views

How should I insulate a 12x24 metal shed?

I am having a 12X24 metal shed delivered today. Wood floor of course with studs to the ceiling. Am adding an air conditioner to use when in this work shop for furniture making. Was wondering how to ...
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47 views

soundprofing edm studio room [duplicate]

if i hang mass loaded vinyl like curtains around the room,will it soundproof the room do other neighbours will not complain when im doing music in strange hours? what other options do i have for a ...
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2answers
196 views

Gap between 6“ dia wall thimble & 6” hvac pipe

I bought a 6" dia aluminum wall thimble to vent my 6" dia hvac steel exhaust pipe through to the outside. However, the diameter of the 6" thimble is actually 6 3/4". How do I effectively insulate the ...
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173 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 ...
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1answer
218 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 ...
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128 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 ...
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515 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 ...
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404 views

Is it safe to fill in or insulate the space in my walls around my fireplace flum?

Moved into a new home and I noticed something about my fireplace. I have a large brick enclosure that surrounds my wood burning fireplace and when I was up in the attic I noticed that the space ...
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56 views

Minimum covering of brick wall for insulation purposes

There is a brick wall in our condo that is part of the exterior building that was never meant to be used as an interior wall. We were hoping to insulate it and we saw recommendations for using XPS ...
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125 views

How can I prevent my garage soffit vents from pulling in sewer vent smells?

My garage has a ceiling with fiberglass insulation over plastic air spacers leading to vents under the roof shingles. There is no plywood or drywall over the insulation. The walls are insulated and ...
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288 views

What thickness Styrofoam should be used to insulate a toilet tank?

So, based on my question here, I like the idea of insulating the inside of the toilet using Styrofoam because it seems more interesting/fun than installing a mixing valve. I plan to use silicone caulk ...
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114 views

Can a false ceiling improve insulation?

My new house has a very small kitchen which is actually an extension of the house with its own roof. I suspect its roof insulation is old and not effective, because this kitchen is quite cold (12 ...
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237 views

Is it possible to insulate existing ducts without removing drywall?

My second story is always warmer in the summer and cooler in the winter than the ground floor. I've had the ducts cleaned and sealed and I've also adjusted the blower motor speed. It occurs to me that ...
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286 views

What should I do about the insulation in my basement?

So in my basement I have insulation that was put up by the builder. My first question is what is this type of insulation called? The second question I have pertains to finishing the basement. I ...
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303 views

Do I need a vapor barrier between the insulation and finish wall in a new garage?

Can I put plastic between the insulation and finish wall in a new garage? Or would we gain anything by doing this? We have some who told us to do this and others who say definitely do not. There is ...
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259 views

Can i replace the insulation in my stove/oven with any kind?

I need to replace the insulation in our oven/stove. Do i have to buy specific insulation?
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626 views

How can I insulate an area without an attic above it?

My laundry room and a walk-in closet are freezing cold. They're on the ground floor in part of the house that is single-story. So, there is no attic above them. How do I insulate these areas when ...
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97 views

What can I use as a temporary noise insulation on a door that connects bedroom and bathroom?

our bathroom has 2 doors and we only use one. The other one remains shut and it connects to a bedroom. We do not intend on ever opening it (but we are renting the place so we need something that ...
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will anyone stop laughing n thinking im crazy long enough to see theres a major problem(s) in my house? [closed]

As the title suggests, i have many issues in the home i purchased two years ago. And although, couuuntless hours attempting to unravel the mystery, and thhhhousands of dollars to fix the problems i ...