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

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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 ...
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2answers
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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 ...
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3answers
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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 ...
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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 ...
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5answers
668 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 ...
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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 ...
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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 ...
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4k 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. ...
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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. ...
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703 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** ...
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1answer
276 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 ...
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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 ...
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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 / ...
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5answers
463 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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1answer
2k 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 ...
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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 ...
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3answers
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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 ...
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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 ...
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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 ...
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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
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3answers
684 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 ...
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782 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 ...
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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, ...
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3answers
545 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 ...
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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?
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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 ...
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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 ...
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2answers
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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 ...
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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 ...
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1answer
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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 ...
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440 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 ...
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602 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 ...
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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 ...
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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. ...
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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. ...
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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 ...
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1answer
473 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 ...
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1answer
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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
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407 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 ...
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2answers
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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. ...
5
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2answers
295 views

Insulation in the attic

I have moisture and a moldy smell in my attic. I had someone come out and open up the eaves and soffets more. It did seem to help but I still have some smell and some moisture. I have insulation on ...
5
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2answers
562 views

How do I fix incorrect attic insulation?

I have loose fill attic insulation. It seems to have been moved around and become compact. Is it just as easy as getting in there with a broom and 'fluffing' it up and moving it around, or do I need ...
5
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2answers
163 views

How to protect against shock from exposed romex?

In my attic, the truss upright in the picture below is really the only hand-hold available when pulling oneself up the last few steps on the attic access stairs. It has always bothered me that I have ...
5
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1answer
612 views

What kind of contractor would I need to service or replace pull down attic stairs?

I have attic loft with pull down stairs access to it and I need it either serviced or replaced with a new rope system. Can you advice what kind of contractor I'd need for this? As you can see on the ...
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2answers
304 views

Can I add rolls of unfaced insulation to increase the R value of my attic insulation?

I live in a two story home that is approximately 150 years old. The attic floor is constructed with large beams and old wood planks laid across the complete surface area, rendering the attic useful ...
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How do I know my current R-Value for my attic?

I am a first-time homeowner. One thing that was noted on the house inspection was that we needed more insulation for our attic. In my area, the recommended R-Value is 38 according to the ornl.gov ...
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1answer
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“Attic stairs” equivelent in an attic “hatch” size hole?

The new place I'm moving into has a hatch size hole for the attic. It is roughly square and has no stairs or anything, its just a hatch that can be accessed by ladder. I'd really like to make more ...
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Air sealing a whole house fan

I have a whole house fan installed in my house from the previous owners. I love the fan, as it lets me cool down the house quickly in the evening -- or after I fill the house with smoke from ...
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1answer
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Is a sealed attic appropriate for Southern California?

I have a two-story house. Half the house has a cathedral ceiling (which will be left as is) and the other half has a traditional attic with no soffits. The only ventilation in the attic comes from two ...
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1answer
693 views

Can I install carpet in the attic?

I'm planning on adding a plywood floor to part of my attic. I have some old carpet that I'm thinking about laying on top of the plywood. Is this a bad idea?