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Questions tagged [attic]

Attics (also called "lofts") are the space immediately below a house's roof.

21
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4answers
79k views

I added insulation to my attic rafters, but should I have left room for airflow?

I added insulation to my attic rafters and plugged the space between the outdoors and my attic with insulation. It lowered my heating bill by $150/month, but I've seen some information that I may ...
14
votes
3answers
59k views

Is it possible to convert a truss attic into living space?

What are some options for converting a trussed roof into living space? My understanding (please correct me if I am wrong) is that the following needs to be taken into consideration: proper floor ...
12
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6answers
36k views

How can I insulate my attic on a tight budget?

My attic is running 135Fahrenheit (55 Celsius) and more right now. And that's before it even gets to the hottest part of the day! The A/C guy said the A/C's are working perfectly. But he tested the ...
12
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6answers
53k views

Why don't people use rigid or spray foam insulation in attics?

I'm looking to upgrade the insulation in my attic bumping it from an R-6 to R-30 or better, and while looking into things I realized I've never seen anyone use rigid or spray foam insulation in an ...
11
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3answers
34k views

How bad is it to have wet insulation?

With this recent blizzard we recently saw our ceiling lighting fixture leaking water (slow, about 1 drop every 5 minutes) I got up in the attic and saw that some snow had been apparently blown into ...
10
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11answers
24k views

How can I remove mice from my house?

I live in a townhome which is a 2nd and 3rd floor unit. On the 3rd floor is a closet with a crawlspace entrance which is the attic. There are definitely mice running around in there. I tried to ...
10
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6answers
1k views

How should I deal with an animal in the attic?

My tenants tell me that they hear an animal (possibly a raccoon) in the attic. This is an old (1880s) three story row house with a flat roof and a pretty low (2 ft average, maybe) attic. The house ...
9
votes
1answer
11k views

How much vent fan throughput do I need for my bathroom?

What minimum size (CFM) vent fan do I need per cubic foot of bathroom? Consider a bathroom that is 10ft. X 4ft. X 6ft(height). What is the minimum throughput rating for a vent fan? I want a vent fan ...
9
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1answer
3k views

Can I use Romex in an unfinished basement or attic?

I am asking in reference to articles 382.2 & 382.12 in the 2008 edition of NFPA-70. The following definition appears to me to be describing Romex (NM-type) cabling: **382.2 Definitions** **...
9
votes
1answer
565 views

Should I relocate the HVAC unit in my attic?

I have had a couple of estimates to replace our HVAC system and one contractor says he would relocate the system to a more central location in the attic. One says there is no need to relocate. There ...
9
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3answers
1k views

How do I add an exhaust fan to an old attic?

Our house's attic retains a great deal of heat during summer. While we now have a good layer of insulation between the attic and the rest of the house I wonder if it would be worth it to add some ...
8
votes
5answers
2k views

How can I lower an attic ladder by remote control?

We have just put in an attic ladder in a shop. The problem is that we have a 10 ft ceiling and I can't reach it. What can I put on it to make it come down automatically with a remote control or switch?...
8
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2answers
61k views

How can I build a custom stair case in a small space?

In my continuing pursuit of gutting this house and trying to better it; the snow has finally broken and its time to get back to work. We really, REALLY, want to use the attic space as storage / den / ...
8
votes
1answer
3k views

What is this amber substance on the wood in my attic?

I was examining my attic with a head lamp and the light illuminated the wood just right and these amber drops started to glow. They are on the surface of a lot of the wood in the attic. What is it ...
8
votes
3answers
15k views

How do I reinforce the attic floor?

We have an attic I'd like to use as an extra room. The frame of the house is solid 2x8" beams and i'm told that the weight is not a problem there. The attic framing is just a typical framing though. ...
8
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5answers
14k views

What is the best way to secure a set of folding attic stairs?

My company is opening a new office in an existing office building. While inspecting the office prior to move-in, I noticed that the attics between all suites in the building are open to each other. ...
8
votes
9answers
19k views

Where should my furnace filter go in a Lennox G40UHX series furnace?

I have a Lennox G40UH(X) series furnace, which is installed in our attic (We have a single-story house on a slab). Because the furnace is installed in the attic, it is "laying down" on its side, and ...
7
votes
3answers
27k views

Is styrofoam good for attic insulation?

A neighbour is trying to sell me some of his leftover styrofoam insulation. I need to insulate my attic. Is styrofoam a good insulator, or should I use another type of insulation?
7
votes
2answers
266 views

Is it a good idea to chisel out the edge of rafters for wires?

I am wondering if it is a good idea to chisel out the edge of rafters for wires? We want to floor our garage attic, and there are wires criss-crossing on top of the rafters. Update: These are regular ...
7
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2answers
5k views

Bathroom vent terminates to attic not outside.

Bathroom vents terminates to attic. The Inspector recommended that it terminates to the outside. What is the best way to do this. Should I just place the bathroom vent next to the roof vent opening.
7
votes
3answers
3k views

Can I extend my loft hatch opening?

I am hoping to extend the opening for my loft hatch using the following method. I want to move the cross piece from position Q to position P. I intend to screw a temporary support across the top of ...
7
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5answers
5k views

Can too much ridge ventilation be detrimental?

At my house in central Texas, where temperatures can persist at 86 - 110 degrees Fahrenheit, one side is always hot, no matter how long the A/C runs. That attic space is considerably hotter than other ...
7
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3answers
4k views

How do I add insulation to my attic?

I'm pretty sure my attic needs some additional insulation (it looks pretty sparse and my house is freezing!). Here are some images of my attic: http://imgur.com/a/pdsXF Two questions: There is ...
7
votes
2answers
4k views

What are these beams for in my loft?

I have very good building experience but in a house we bought recently I have been wondering what the heck to do with my loft. Initially its converted to a mini workshop / storage The max height is 1....
7
votes
2answers
13k views

Do I need exterior grade cables or conduit to run wire in an enclosed soffit?

I'm looking to add some lights on motion detectors (un-switched) and security cameras under the eaves of our house. I know standard romex is often used in attics, but the soffits seem like they might ...
7
votes
2answers
3k views

How can I floor my loft without compressing the insulation?

I want to board over my loft for storage, but before I do I ought to improve the insulation which is very old and thin. My UK house is 105yrs old so the rafters are not as high as the recommended ...
7
votes
2answers
55k views

Can I lay down plywood in my attic to create a storage space?

I've got an older house, built in 1919 (stacked stone foundation, brick, lots of heavy lumber) and I got this crazy idea I could build out the 3rd floor into a FAR more useful space than it is now. I'...
7
votes
1answer
7k views

Does it do any good to use fiberglass insulation if you're not going to drywall?

My attached garage is not insulated. When I look up, I see the roof sheathing. I was thinking of adding insulation to the garage. The problem is there is no attic space, so I shouldn't drywall it ...
7
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3answers
3k views

Is there any legitimate reason to have a direct vent between utility room and attic?

I've been doing some sealing and insulating in my attic, and discovered a purpose built vent directly from the utility room into the attic space. See most of these photos The house is in a townhome/...
7
votes
2answers
4k 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, ...
7
votes
2answers
1k 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 ...
7
votes
1answer
20k views

Is my attic floor over my garage strong enough to use it for storage and maybe as a small work area?

I would like to use the attic space above my 2-car garage for storage of items around the house and garage, and if possible, utilize some of the space as a small work area. The previous owners left ...
6
votes
7answers
22k views

Should a smoke alarm be installed in the attic?

I installed hard-wired and interconnected smoke alarms through the house. I wondered, though, if a fire spread through my attic I might not know about it until the ceiling or roof collapsed. Should I ...
6
votes
2answers
10k views

How can I strengthen attic rafters for storage?

I have standard 2x4 rafters and want to use it just for storage and I am worried they are not strong enough. I was thinking I could buddy ( or sister) up the 2x4's with another 2x4 or 2x6. or stack ...
6
votes
5answers
39k views

What size of ceiling joists should I use

We started remodeling the 2nd floor this last fall, starting with a spare bedroom, but between our day jobs and the holidays, we ran out of time, stopping short of dry-walling - the room is sealed and ...
6
votes
4answers
4k views

Does this 2x4 support my gable ridge?

I'm installing a floor in my attic. To open up the space and simplify the flooring I'm removing temporary construction bracing. Most of the bracing is easy to identify, since it clearly does not ...
6
votes
2answers
2k views

How much ventilation do I need on a small roof?

This small building has a footprint of 10' x 12' with a gable roof (sideways, so the gables are 10' apart). Slope is 4:12, so the peak is only 2' above the walls. My ridge isn't vented, so I'll be ...
5
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3answers
809 views

Why not put a vent that pushes air from the attic into house?

I have this idea, and since it seems logical to me, but I don't see it anywhere I suspect I am missing something.. so here it is: Why not put a vent that pushes air from the attic into house? At ...
5
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7answers
156k views

was in attic for an hour without mask. could this cause issue?

my bathroom fan was dropping water so i went up to the attic and applied fiberglass insulation to the bare metal vent pipt from the fan out to the roof. i was up in the attic for an hour wearing ...
5
votes
3answers
4k views

Do I need an air space between insulation and flooring in the attic?

As part of a local council grant, I am getting my attic floor insulation (2 inch thick fibreglass) replaced with 4 inch thick insulation. It will lie between the joists, on top of the plasterboard ...
5
votes
3answers
3k views

If I blow insulation everywhere in my attic except the door trap, will heat escape through it?

I want to blow insulation into my attic. The door into my attic is on the floor and made up of a large board which doesn't have hinges. I have to push the door up and slide it over in order to gain ...
5
votes
3answers
11k views

How do you navigate an unfinished attic?

My attic only has plywood around our HVAC. The rest is just covered with cellulose insulation. How do people get around their unfinished attics? I've been up with a flashlight trying to judge where ...
5
votes
4answers
177 views

Did unfinished attics serve a functional purpose in old houses?

I do a lot of work with detached, wood-framed houses built in the United States between 1850 and 1920. Almost all of them have a walk-up attic that was not finished originally. In some cases the ...
5
votes
1answer
17k views

Should I be concerned about creaks when the wind blows?

Is it normal to hear creaks when the wind blows at about 20 mph speed? I heard the creaks in the upstairs when i was sleeping in the bedroom. I guess that was from the attic. I am little worried as ...
5
votes
3answers
6k views

Wood for boarding a loft?

I want to board out my loft - just for easy storage of things like tools, boxes, old clothes, suitcases, small unused furtniture etc (i.e. nothing too heavy). I am wondering what kind of boards to buy ...
5
votes
1answer
1k views

How do I close off attic vents?

First of all, I'm clueless when it comes to DIY so forgive my amateur lingo and general clueless attitude. I'm still learning, be patient with me. My wife and I bought a house on the sunny island of ...
5
votes
1answer
419 views

Can I spray foam up to roof sheathing when air sealing skylight tunnel?

I've been doing some air sealing in the attic with canned spray foam and I'm about to tackle my skylight tunnels. They are framed and covered with drywall. I have easy access to them in the attic and ...
5
votes
3answers
3k 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 ...
5
votes
2answers
2k views

Is the open grate in the ceiling between my garage and attic necessary?

I have a plastic grate in the ceiling of my garage that simply provides airflow between the garage and the attic. Due to the layout of my garage, my workbench is almost directly beneath this grate. ...