2
votes
0answers
13 views

How best to add insulation under a rubber roof with an air gap?

I'm trying to find out if I can insulate my ceiling. Half the house has attic, half does not. Everywhere (from top down) I have rubber roof, 1" foam, wood planks, 2x8. Then, in the attic, that is ...
0
votes
1answer
64 views

How can I add insulation above my finished ceiling?

What is the cheapest option for adding insulation above a finished ceiling? There has never been any in the spot that I need it. Should I take the roof off or have it sprayed in? The space is 20 feet ...
2
votes
3answers
110 views

Insulation options for narrow ceiling space

I've got a flat roof ( wooden, sealed with tar and then roofing iron on top of that ) with a 30 cm gap between the ceiling. Not really enough for someone to crawl in unless skinny. There's no ...
1
vote
1answer
68 views

How can I add more insulation to this roof?

We've recently leased an office in a tropical climate and I am trying to figure out the best way to increase the insulation in the building. So far I've researched: spray insulation (options are ...
0
votes
1answer
72 views

Help translate terminology relating to flat roof construction

I just bought a house which had an extension done 12 years ago. I am about to do some work in this area and want to understand what has been done before. Below is a screen shot of the bits of the ...
1
vote
1answer
320 views

Can you remove a tin roof and install insulation and re-attach the tin roof?

Hello from Hobart Tasmania. I have purchased 1930's weatherboard cottage with a tin roof. The roof is insulated in the main part of the house (i.e., in the attic) but the additions on the house are ...
0
votes
0answers
71 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 ...
1
vote
2answers
226 views

How to create a conditioned attic?

My attic has reached the point of no return with storage. I must use it for that purpose. So now I have to find a way to insulate the attic's roof. For this DIY handyman dad, does anyone know of a ...
7
votes
2answers
935 views

Do I need to add roof vents if I close off a small attic space in the garage?

I have a small section of roof over the front of my garage, which I would like to insulate and drywall (making my garage fully insulated). It is 39" high, and 54" by 17', framed with 2x4 trusses, ...
2
votes
2answers
130 views

How can I reduce how much a flat roof heats my house?

My flat roof is insulated with wool, but still it's heating up my room considerably. The situation is much better in the rest of the house. Any ideas how to do a quick fix? The roof is currently ...
5
votes
2answers
830 views

Should I insulate my roof on the inside or outside?

I am renovating my house and am completely redoing my flat roof: ceilings, insulation and roof covering (I am planning to use EPDM rubber). In case it is relevant, I am living in the Netherlands. My ...
3
votes
1answer
2k views

How can I install soffit vents from the outside?

When we moved into the house we live in there was literally no insulation in the attic. We have a 4 1/2 pitch roof. We live in Texas and our first electric bill in a 1450sf house was almost $500. ...
5
votes
3answers
1k views

How can I add insulation to my roof?

I have an old 1930's house, the upstairs of which is in the pitched roof space. I've just checked and it has no insulation what-so-ever up there, so it is very much the same temperature as a loft at ...
5
votes
2answers
5k views

What are the differences between hot and cold roof systems?

Can someone explain the differences, pros and cons of a hot roof vs a cold roof? I would like to vault a ceiling in an addition off of our family room, taking the drywall all the way up to the roof ...
3
votes
1answer
184 views

Should I have my old ceiling vacuumed before installing insulation?

My house (built about 1890) has no insulation in the roof and so I plan to put in insulating batts. There is a lot of old dust and a few possum droppings up there, and I have heard that the dust can ...
2
votes
2answers
607 views

Is a thick, unvented hot roof a good candidate for spray foam?

Upon removing some drywall from an unvented hot roof I noticed two serious issues: 1) The roof sheathing is not a taped or sealed ply but a 2x8 T&G 2) There is no vapor barrier and the cavity ...
2
votes
3answers
635 views

How do you calculate if it's worth it to insulate?

We live just north of NYC, and the house was built in 1906. We're putting on a new roof and trying to figure out if it's worth it to insulate too. It's a cathedral ceiling on the inside, and we do ...
5
votes
3answers
428 views

How to plan for the future when installing a new roof?

We're hiring a contractor to take off the existing roof, repair/replace any rotted sheathing and rafters, and install a new roof. We've also asked that they add a new plumbing vent stack for a new ...
2
votes
1answer
358 views

How do I deciding whether to install an attic venting system?

I live in Colorado, and the weather is starting to warm up. In a couple months, the temperatures will rise pretty high. Thankfully, I have a well insulated house (there is over 20 inches of fiberglass ...
1
vote
1answer
2k views

How do I avoid condensation issues with an insulated garage roof?

Yesterday it was raining (slight overexaggeration of course) :-) inside my garage... Hood of the car was covered with nasty orange water spots. It's an attached garage. There's no garage "ceiling" ...
6
votes
1answer
609 views

Venting the attic space during summer to cool the house

The air in my attic gets superheated during summer, from the sun baking the (clay? terracotta?) roof tiles (I live in Sydney, Australia). I have good ceiling insulation, and even put in some sarking ...