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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Is insulation around a dryer vent hose safe?

I live in an old apartment which does not have laundry, or even laundry hookups. Since I despise laundromats, I took it upon myself to get a portable washer which connects to a sink, and a portable ...
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23 views

Mounting exterior shutters on deeply recessed windows

I want to mount shutters on my 1930's house, but since we've had it insulated with polystyrene, the recess is 7 inches. That would need a huge offset hinge!! The windows are metal-cased woodframed ...
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17 views

Is silica gel used for insulation in walls/floors/ceilings?

Silica gel has great insulating properties (video). Is it used for home insulation? If yes, which products are available?
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2k views

Wind from kitchen sink drainage pipe

We live on a windy coast of North Sea. High wind is a norm here. One of the problems I face with the wind: it comes out from kitchen sink drainage pipe. If it is blowy outside, you can feel a draft ...
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14 views

Installing moisture/weather barriers around home/ doors and windows

What is the proper way to installed moisture/weather barrier around doors and windows in southern Louisiana?
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50 views

Asbestos? What do you think?

I originally thought so, but now I'm not so sure. Thoughts? It was located around HVAC vents.
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1answer
28 views

Vented soffit under bay window

Background: A bay window has been having ice dam issues for the past couple of years. I think the water is coming in through the space between the gutter and the fascia. That space is just on the ...
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1answer
23 views

Should I use faced or unfaced insulation in a utility room area?

I'm trying to keep my unconditioned utility room from being so darn cold and hot during the year, and to keep the condensation line from freezing during the winter. I figured insulating the area ...
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2answers
52 views

Can one pane of a double pane window be safely removed?

Recently I asked Is there a way to remove condensation and clean inside a double pane window? The answer appears to be "no", at least not without resorting to very dangerous chemicals. Two of the ...
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1answer
25 views

Mending plastic sheeting behind sheetrock

My house was built around 2000, and seems to have plastic sheeting behind the sheetrock (I'm unsure what thickness plastic was used and what type of plastic; is there some sort of standard?) My house ...
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3answers
41 views

How to block airflow under an interior door over carpet

I have an air conditioned bedroom. I'd like to prevent heat from entering thru the door. I got door seals for the sides the top of the door, but I can't figure out a good solution for the bottom of ...
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34 views

Opening in dropped ceiling causes room to get warm

I've moved into a new home last year. One attached room is a workshop with a drop ceiling and it was comfortable at around 70 degrees last summer with the air conditioning. This year, I moved a piece ...
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38 views

How to insulate already-existing stud walls along block foundation

My new (to me) house has a 60-year-old block foundation. The previous owners did little to no insulating in the basement. However, they started to finish a bedroom down there, and got as far as ...
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113 views

What is the proper way to perform work in an attic? (UPDATED)

For an attic with rolled fiberglass insulation, what is the proper way to perform work in the attic? Is it okay to just walk on top of the insulation, stepping where there are beams underneath it? ...
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18 views

Under-floor Insulation in crawl space?

We just bought a single story house, pier and beam at grade level over 36" vented crawl space. The house is located in the Portland, OR area, was built in 1972, and never had vapor barrier or floor ...
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2answers
37 views

Adding insulation in a finished ceiling with no access

I live in a condo that the builder decided not to put insulation between the different levels. I don't own the condo above me. With hardwood floors and no insulation it's very noisy. My goal is ...
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3answers
70 views

What can fiberglass insulation NOT touch?

I have some rolls of 15" R-13 insulation that I am planning on installing in my floor joists to help sound proof my basement ceiling. Is there anything that the insulation can't touch? I know that the ...
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2answers
32 views

Does the thickness of insulation on the cooling pipe of an air contioner make a difference to preventing mould and condensation

We have an apartment in Port Hedland WA.( Extreme humidity and heat) It's relatively new( 3 years old) but there was mold all over the ceiling and along the walls following the air con pipes to ...
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3answers
53 views

Water coming from the cistern is not capable of flushing the commode?

Its been months now that our water pressure is not enough to fully flush the commode, every time it must be filled manually or wait until it fills for the second time for a complete flush out.
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4answers
58 views

Best way(s) to soundproof interior wall between rooms?

I had a few ideas in mind to keep our newborn from waking up our light sleeping toddler sleeping in the adjacent room. I'm open to new suggestions. :-) 1) Blow cellulose from above (unfinished ...
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2answers
37 views

Mold and an insulated shed roof

Thanks in advance for any answers. I have just had a shed installed which is built onto the side of our house. It has a metal roof, with OSB board under it (there are wooden noggins to support it). ...
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3answers
67 views

Redoing my roof: how should I redo my insulation?

I live in Denver. My 60 year old house is 1.5 stories. The upstairs has a highly sloped roof and definitely has insulation in the relatively narrow attic and I believe has insulation at the angled ...
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2answers
53 views

How can I insulate a finished 1 1/2 story space

I have a 1 1/2 story portion on my house that has a finished office space and closet on one side. The room has no insulation as I've done a little work and had to take some drywall off the outer wall ...
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1answer
34 views

How to use thinner insulation than the steel studs?

Here in Brazil I can only find insulation that is about 35-40 mm thick. I intend to use it inside steel studs that are 70mm thick and I'm worried it might crumple or sag due to the extra space. What ...
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4answers
119 views

Is it crazy to put a hole on a fridge?

I want to buy a mini fridge, not for food storage, but for storing stuff I don't want to evaporate (gets hot in my room during summers) or preserve. I'm thinking maybe once in a while I want to make ...
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3answers
19 views

Insulation in the attic with ridge vent and eaves

Do I need to leave space over top plate at eaves when adding insulation if I have a ridge vent
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3answers
65 views

Basement insulation w/ existing tar paper and studs

I recently pulled off old wood paneling in my basement, and would like to insulate it using rigid foam (silverboard or durofoam). Behind the panelling, there is tar paper, and 1x2" studs approximately ...
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58 views

open cinder block wall in basement

I am replacing some framing and sheet rock that has been contaminated by mice. The basement has cinder block walls that come up about half way for some reason. The house was built in the 1950s. In ...
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1answer
79 views

How should I insulate my garage roof if I want to use the garage as a workshop?

I have read a lot about proper insulation and ventilation, including some posts on this site, but none adequately answer my questions. My goal is to operate an electric heat source in the ...
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3answers
108 views

How to insulate register boot?

The county inspector dinged me on a couple of things for my bonus room renovation. One of these things is wrapping the register boots (endpoints) in insulation. I've seen registers with this ...
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1answer
104 views

Why isn't shed insulation working as I expected?

I insulated my 3x3.5 m metal shed with 55mm thick foil lined "space blanket". Foil inwards, of course, is, not facing the metal. The metal walls & roof was initially & thoroughly lined with ...
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2answers
40 views

Insulate ceiling, walls, or garage door?

I live in Ohio and have created a golf stimulator in my attached garage. The garage typically stays around 10 degrees warmer than the outside without wall insulation except the interior wall. I can ...
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4answers
219 views

Should I insulate the garage in the home I'm having built?

I am an amateur woodworker and am having a new home built. My part-time workshop will be in the garage. Where I live (central Maryland), the winters are often cold (below freezing) and occasionally ...
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3answers
96 views

Can I add more insulation to my attic?

I currently have pink fiberglass bats in the attic. I wanted to add blown in insulation. My attic space is a bit unique. I'm used to a moderate sized attic that you can access. This attic has no ...
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22 views

What type of insulation should I use for varying joist spans of 3-4ft?

I live in the #3 region in California, and am wondering what the most cost effective and functional DIY method for installing insulation under my floors. I have kneeling room crawl space under my ...
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127 views

Is there long-term off-gassing from polyurethane closed-cell spray foam insulation?

We already installed Quadfoam 2.0, a "two-component, 2 lb., closed cell, spray applied, rigid polyurethane foam system" under the roof of our house, between the rafters. We read the manufacturers ...
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3answers
92 views

2 layers of plastic film window insulation?

I am insulating a single-pane window with plastic film (http://www.amazon.com/gp/product/B002GKC2GW?keywords=plastic film insulation&qid=1453679450). This window can't be opened, so I will keep ...
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24 views

Attic insulation problem

I am wanting to insulate my roof rafters and finish over it with Sheetrock but it's just my rafters directly to my roof metal, what do I have to do to my roof metal do I can insulate and not worry ...
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3answers
83 views

Can I setup insulation without tearing down walls?

My situation is this: I moved into a new apartment last year and my office is the only room that isn't insulated, which is annoying. My daughter's room and her playroom are both insulated as expected. ...
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1answer
41 views

Improving insulation on windows and preventing heat loss

Here are the images of my window (currently it's 18F/-8C outside, 74F/23C inside): Now, this condensation / ice forming gets even worse - on some days whole bottom of the window from the first ...
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526 views

Is it required for effectiveness to stretch interior window film?

Thanks in advance! Please let me know if I should provide more specific information, or if this is covered somewhere else. Short version: I am using a Frost King window insulation kit on a window. ...
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1answer
41 views

What type of garage door seal is this?

Is this a type I cannot find, or is this just a normal flat rubber type that has been shoved into the kerf cut, folded over, and stapled? If the latter is the case, any idea why someone would do it ...
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2answers
78 views

Aerogel insulation viable?

I have read that new aerogel-type insulation offers potentially better efficiency than ordinary fiberglass, albeit with greater cost. Is this true at a practical level? Should I look at replacing some ...
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1answer
74 views

Best insulation to adhere to back of door leading to attic space?

In the closet of an upstairs bedroom, there is a door about 3/4 the size of a normal door that leads to an unheated attic space. It gets pretty chilly in that closet during the winter months, since ...
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1answer
73 views

How to seal the exposed top of glass block windows

My basement has some glass block windows, that seem to be improperly (or not-optimally) installed. See picture.... As I understand it, there should has been a perimeter channel attached to framing, ...
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32 views

Jenn Air SVE47600 electric slide in range hole in oven--fire hazard?

My Jenn Air SVE47600 16 year old electric slide-in downdraft range has a hole (approx. 1.5" to 2" x 1") in the oven liner (underneath the broiler element) near a steam vent! Seems like it rusted. ...
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2answers
449 views

What is the minimum thickness of foam board when insulating a basement

What is the minimum thickness of the foamboard insulation that can be used when insulating a concrete basement wall when it comes to moisture control and temperature control? Obviously thicker is ...
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4answers
119 views

Should I use spray foam to insulate a basement?

Home in CT cape w/ uninsulated basement. Its a cold, not drafty house, with new Marvin integrity windows. The basement is very cold, and it seems like the cold basement is making the rest of the house ...
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1answer
33 views

What is the best skim coating for polystyrene sheets?

My log hut is extremely hot, I have glued polystyrene sheets to the ceiling and would like to skim to create a clean finished off appearance. The sheets are the pressed pellets type (not isoboard) ...
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30 views

Insulate space above ceiling in 3 season room?

I have a three season room attached to the house, built on a concrete pad. There is no heat or a/c out to the room. The ceiling is currently open and I can see the underside of the planked roof. ...