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.

207 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
0
votes
0answers
34 views

Installing Roof - What else should be done?

When installing a new roof, what other work would be convenient to do? Since I'm having a new roof installed, I'm curious if there is something I would regret not doing in a few years. Potentially ...
0
votes
0answers
25 views

Can drywall be attached directly to foam insulation or do furring strips need to be between them?

I have a basement wall that was recently finished with drywall and insulation. Instead of attaching the drywall directly to furring strips with foam under the furring strips, the drywall was attached ...
0
votes
1answer
25 views

Insulating shower exterior wall

Redoing a bathroom where one of the shower walls is an exterior wall. Framing is done with 2x6 and I would like to replace the current insulation pictured with XPS foam board. Due to my location, the ...
0
votes
0answers
23 views

Vapor Barrier Under Insulation on Attic Floor

My brother tore out the mdf tile ceiling of his cottage and nailed down ~1x6 pallet wood on top of the ceiling joists in the attic. There are large gaps in the boards. On top of the boards, he rolled ...
0
votes
0answers
30 views

Possible moisture issue with partial insulation of unheated garage

I live in a zone 5 area in Ohio in a house build in the 60s. The garage is 20x20, attached to the house on two sides and shares a roof with the house. Current garage isn't insulated - the attic has ...
0
votes
1answer
33 views

Insulating and framing a basement after drain system and plastic vapor barrier installed

We had a moisture problem in our basement located in Minnesota. Recently some foundation water came up and ruined our carpet, when we tore out the drywall there was moisture build up and some mold on ...
0
votes
0answers
46 views

Will reflective aluminum on windows reduce solar heat transmission?

My room get overheated by the evening sun. I have some blinds but its not really helping. I was wondering if putting some reflective insulation would help. Not removing the blinds but between the ...
0
votes
0answers
21 views

Can rigid insulation be added to attic space over a plastic vapor barrier in a 100 yr old home

This is a century home and we are trying to restore as much as possible.The attic has a plastic vapor stapled to the rafters and some spots it jus hangs exposing the wood. would it be wise to staple ...
0
votes
1answer
72 views

Damp proofing a single-skin outbuilding for batten & insulation

I have a small outbuilding (~2m x 4.5m) which I currently use for storing tools and my bicycle. It's a semi-detached single-skin construction with a concrete roof, concrete floor and single-skin brick ...
0
votes
2answers
48 views

Is it possible to seal an interior barn door to provide an acceptable level of insulation between a conditioned and an unconditioned space?

I'm finishing a storage room in my house. General layout, room is 12' x 12', door on one wall, window on opposite wall, roof peak ~12' above the axis between the door and the window. Roof slopes ...
0
votes
0answers
15 views

Which is more preferred, PU SIP core panels or EPS SIP core panels?

I am looking at something that can last a long time, has good structural component and provide good insulation. Which would be the preferred option in this case? I am from the Caribbean. Thanks!
0
votes
0answers
25 views

Should I use rafter baffles between every rafter . I have 2 roof vents now on a 20'x22' roof with 2x8 trusses. I was planning on using R19

I have a 20'x22' vaulted roof 24 inch on center with 2 roof vents. I was planning on using 23"x 6" R19 single face insulation between the 2x8 rafters. Do I need to use rafter baffles between each ...
0
votes
0answers
48 views

Insulating under floor boards with foil insulation

I am looking to insulate underneath the floorboards in a ground floor suspended timber floor with no access from below. The joists are 4" (10cm) deep. I have some concerns regarding airflow under the ...
0
votes
0answers
17 views

Should I install acoustic insulation in ceiling in basement with switchback staircase and no door?

I'm finishing my basement. Is it worth it to install basic insulation or sound barrier insulation like Rockwool since there won't be a door at the bottom of the staircase? Above the basement living ...
0
votes
0answers
124 views

How to knock a hole through wall in crawl space

I need to gett access to the crawl space under the floors in every room in my house so that I can fit underfloor insulation. I'd like to fit insulation board as it seems to be the easiest to work ...
0
votes
0answers
21 views

Outside Sauna Build Moisture control any suggestions?

I am currently building an Octagon sauna that will double as a mobile bug out shelter that will be mounted on a trailer. I'm putting the octagon on edge if you can imagine so that when viewed from ...
0
votes
0answers
27 views

White mold in the attic?

I've got an 1890s house in London. We started getting some penetrative damp through some of the upstairs walls so I've had a look in the attic to check if there's anything going on up there. It looks ...
0
votes
3answers
66 views

Is there a measuring method for determining of the real thermal conductivity of a building component?

We would like to determine which elements of building are to be renewed or changed. Among other things, we want know which elements are subject to a specific heat transfer. Does exist a measuring ...
0
votes
0answers
66 views

Adding new electrical outlet; ceiling insulation is sandwiched between drywall and plywood (attic)

I'm looking for a good technique to add an outlet to a wall that currently has no electrical. My initial thought until my discovery was to: 1) Identify the stud I want to anchor the outlet to 2) ...
0
votes
0answers
548 views

Another Question on How to Cover Up Exposed Insulation in A Basement Ceiling

I have read through many questions with a similar problem, but different circumstances than I have regarding this issue. The home is in Ohio so cold winters and hot summers built in 1997. I have a ...
0
votes
0answers
43 views

Fibreglass batt vs rigid foam insulation replacement in attic

Cleaning out attic in older 1954 rancher, original batt insulation badly damaged due to moisture (no leaks, but previous owners replaced roof in the winter) and rodents. Attic is vented via soffit ...
0
votes
0answers
145 views

Does this loose insulation look like it might contain asbestos?

Was remodeling my bathroom, and after ripping open the ceiling a bunch of this loose insulation fell down out of my attic. Does this loose insulation from my attic look like it might contain asbestos?
0
votes
0answers
25 views

How to remove and reinstall wood panel walls?

I am looking at upgrading the insulation of a house from the 1950s that has vertical wood panel walls throughout. I think regular walls with drywall and paint are difficult to upgrade, as the walls ...
0
votes
0answers
17 views

Condensation on air con causing leak, best way to insulate

In the roof there is a large metallic air con box, the drip is coming from one of the corners, see photos. An engineer has said we need an external drip tray, and/or additional insulation. WHats the ...
0
votes
1answer
31 views

Which side up on installation of Fesco Foam Insulation?

I’ve got a stack of Manville Fesco Foam insulation boards salvaged from a commercial installation that I’m repurposing for the inside of my garage roof. I’m planning on machining them to fit around ...
0
votes
0answers
32 views

Need guidance in selecting a storm door

In relation to my previous question, Does a storm door help prevent heat loss?, where I learned that a storm door helps prevent energy loss, because of the air pocket between the two doors, now I am ...
0
votes
0answers
21 views

Should I fill the void created by a magnetic strip used to insulate the door on the outside?

I installed this manetic strip for my mother in law, her door is in pretty bad shape but this works fine. She says there is sometimes water condensation on the metal part of it, do I need to do ...
0
votes
0answers
35 views

Long clout nails though rigid insulation boards

We are building a cabin with a solid wooden roof (18mm) on which shingles are nailed. An advised method of insulation is to put rigid insulation board on top, then nail the shingles using long clout ...
0
votes
0answers
46 views

Cleaning the lint or is it insulation from my gas dryer

I'm wanting to clean the lint out of my clothes dryer, I bought an attachment for the main area and hose but I see what I think must be lint inside the back panel as well, if I remove the panel what ...
0
votes
0answers
30 views

Polyiso foam board

I recently obtained several 4”x4x8 sheets of polyiso foam board that is paper kraft faced on both side that was leftover on a job site. Will I have any issues if I insulate the rim joist of my house. ...
0
votes
0answers
33 views

Insulating or air sealing around pipes in brick

I recently moved into a single story double masonry house and discovered a rather noticeable amount of cold air coming from around the dishwasher in the kitchen. I pulled out the machine and found ...
0
votes
0answers
18 views

Does rigid foam in siding provide meet the requirement to provide continuous insulation (CI) (R-Value) for walls made with 2x4s

I have a new home where the walls are framed with 2x4s and are insulated with batt. This provides at most R-13 in theory, while current code requires either R-20 or R-13+5 (R-5 from continuous ...
0
votes
0answers
30 views

Gas Fireplace how to insulate for constant draft

We have a gas fireplace that the contractor did not insulate and causes a constant breeze through the bottom vent. Would it be safe to line the bottom walls with mineral wool? The air is ...
0
votes
0answers
48 views

Spray foam vs injection in garage ceiling with bedrooms above?

My new home has 2 bedrooms and a bathroom over the garage. Per the builder, there is a R30 insulation (so I guess about 9" batt, but haven't drilled in yet to check). This is clearly not working as ...
0
votes
0answers
27 views

Another Crawl Space Encapsulation Question

I recently encapsulated the crawl space under a 12'x14' "sun room" addition to our home. We are in SE Ohio. The room was initially built as a 3 season room, not heated or cooled and had jalousie ...
0
votes
0answers
35 views

how to use 2 inch foam insulation

Cabin has EDPM roof, real 2x4 rafters in the one room. I have slabbed on 2x2 to the rafters in the room, inside, to make a 6 inch cavity. This is an accommodation for poor contractor work shoving 6 ...
0
votes
1answer
116 views

alternate or no Insulation over heat tape

Can I operate a well pump with no pressure tank by using the breaker as a switch? I have about 10 feet of well PE black pipe from the ground in the crawl space to the utility closet (inside heated ...
0
votes
0answers
9 views

Is it OK to install insulation, with a vapor barrier, before a moisture barrier is applied to a home's OSB sheathing?

Is it acceptable to install insulation, with a vapor barrier, before a moisture barrier is applied to a house's OSB sheathing?
0
votes
2answers
130 views

Insulating a Wall Against Unconditioned Attic Space

I'm looking for help in insulating my 1950s San Diego house. A second story was added in the 70s and a gas furnace + A/C was added about 10 years ago in the unconditioned space above the downstairs ...
0
votes
0answers
34 views

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 ...
0
votes
1answer
72 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 ...
0
votes
0answers
34 views

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 ...
0
votes
0answers
37 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 ...
0
votes
0answers
69 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 ...
0
votes
0answers
45 views

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 ...
0
votes
0answers
36 views

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 ...
0
votes
2answers
75 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 ...
0
votes
0answers
38 views

When finishing a basement, how do I transition from walls to doors/windows?

I am planning to finish my basement, which is currently naked poured concrete foundation throughout. I have a new door and new windows (only one shown in the Figure below because they are identical). ...
0
votes
0answers
53 views

How to insulate / finish a row house basement?

I am planning to insulate the basement of my row house. Given that I'm in Region 5, I will need proper insulation on the exterior-facing basement walls. But what about the walls facing the neighbors? ...
0
votes
3answers
682 views

Can I install insulation behind a shower stall that is already in place?

I am in the process of renovating my kitchen. I removed everything down to the studs. One of my bathrooms backs up to my kitchen. Once I opened up the wall behind my bathroom shower stall (a ...