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

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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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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?
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Line voltage thermostat to shut off attic fan when outside temp is close to inside?

I have an attic fan with a thermostat, but with the high heat these past weeks, the outdoor temperature is often above the thermostat setting. Thus, I'm just replacing all the air in the attic with ...
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What is correct vapour barrier method for bathroom ceiling in a bungalow in Canada

I am in the middle of a complete main floor bathroom gutting and re-finish job in my house in CANADA.. and WINTER IS COMING!!!! THE BACKGROUND (pics below): My bathroom is 5'x 13' in a bungalow with ...
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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 ...
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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 ...
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869 views

How do I insulate space in loft to create music studio

I have 3 DIY created rooms in my large live/work studio/artist loft. They are made with 2x4 and 2x6, framing with drywall walls and plywood ceiling. The apt has 14' 7" ceilings so we just have ...
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Can I vent a bathroom fan through the eaves?

I want to fit a fan in our bathroom. The easiest way to do this seems to be to drill down from the loft and put it in directly above the shower. I'm then considering running the vent (flex pipe) ...
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576 views

New House Wiring in Attic + Conduit

I own an old house (50s) for which the electrical is outdated (no ground, etc), so I am in the process of rewiring the whole house. The attic has tons of insulation (loose insulation atop fiberglass ...
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144 views

Will heat set off a smoke detector placed in an attic?

A heating furnace is in a partially floored attic. used for storage only We have placed a smoke detector above the furnace and wonder if the heat in the summer would set it off.
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How does the temperature sensor work in an attic fan?

I have an attic fan that should turn on by the temperature that is set. It is pretty hot today (Southern California) so I expected it to be on. So far I have not seen it turn on and I just reduce ...
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Is the lack of a vapor barrier in the attic causing my mold issue?

For the last couple of days we have noticed more and more mold growth on the ceiling throughout the house. Wondering what was going on, I climbed into the attic this past weekend and notice that no ...
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174 views

How do I handle baffles at the corners on a hip roof?

What do the energy pros do here in the corner of a hip roof? I don't have enough room to install a baffle. I want to install insulation here, so I'm not sure if I would run into problems with moisture ...
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3k views

Attic ventilation - intake:exhaust ratio vs total ventilation area?

I have decided to go ahead and install a ridge vent in my house. The only current attic ventilation is soffit venting on one side of the house. As part of this project, I am attempting to determine ...
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388 views

Want to cover up nail points in attic ceiling

I'm in the attic every so often to store empty boxes and I'm planning to do some wiring (non electrical) so I'm afraid that I might stand up and have nails through my head. My plan isn't to cover the ...
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117 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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238 views

Why is there tar leaking into my attic?

I was doing my own home inspection today to keep up on maintenance, and I found something pretty unusual in the attic. On one of the boards in the roof a tar-like substance is leaking through the ...
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Does this NM cable require protection?

We're selling our home and the buyer's inspector says the white cable in these photos must be protected from damage, by either a conduit or instead using a metallic cable. It's connected to the ...
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Is this flue dangerous?

I had access to a ladder the other day, so naturally I was poking around in the attic of our house where we have lived for about a year. Above the closet where the furnace and water heater are ...
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What should I keep in mind for attic storage solutions for a small home with 14" rafter spacing?

So our attic and our stuff in general is not serving us. Yes, we need to get rid of the stuff we don’t need. If we need anything up there then it is not down here because we need it seasonally (think ...
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153 views

Will my roof construction allow attic flooring?

I am looking to add plywood flooring in my attic for storage page. There is a lot of space, very large areas. From what I've been reading, it looks to be ill-advised to add flooring if the roof was ...
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767 views

Using metal paint can as cover for non-IC rated recessed lights

Do you think using a 1 gallon metal paint bucket as a barrier in the attic over 3" non-IC rated recessed lighting will cause any heat problems? I've been looking for ways to keep the blown in ...
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86 views

Cat6/Low Voltage Termination in a wooden enclosure

I have been bouncing around the idea of running CAT6 thru my older (1970s) house. Single story with an unfinished attic I have identified a bedroom closet as the potential location for the central ...
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240 views

What could be the source of dirt in attic

I've had occasion to get up in the attic of my (new, to me) house recently. There is what appears to be dirt all over everything up there, with actual accumulation in places. This is a 2-story ...
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Is torn kraft paper vapor retarder in the attic a problem?

I'm adding additional insulation in my attic. Unfortunately, I tore the kraft paper vapor barrier of the existing fiberglass insulation in many places while air sealing. Is this a problem? Or is this ...
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Can I add unfaced insulation on top of faced insulation which is on top of cellulose?

I want to roll out some additional fiberglass insulation in my attic. Currently there is loose cellulose with faced fiberglass batts placed on top of the cellulose. The facing is facing out as in ...
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How can I stop a draft from an attic hatch lid?

During the colder months there is a cold draft at the bottom of the stairs and I had a new drop down loft hatch installed 18 months ago as I was convinced that was the cause. It had become warped. But ...
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Is it a good idea to cap fiberglass batts with blown cellulose?

I currently have fiberglass batt insulation of about 6 inches (in some spots less than that closer to 3 inches) due to a cleanout necessitated by rodent activity which has been hopefully remedied. I ...
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Best way to stop boiler steam from entering attic

I have a cape cod. The boiler is in the basement and vents to the outside about a foot above ground level. I get a considerable amount of snow melt and ice buildup in the attic section directly ...
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Can I build 11' x 5.5' loft with 2x2x8 beam and 2x4 joist?

I have looked at a lot of span tables and calculators and am not sure if I can safely build this loft. It is in a garage and will need to bear the weight of two or three people and a build-in desk ...
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376 views

Do I need a replacement attic vapour barrier after asbestos removal?

I recently had our Zonolite vermiculite asbestos professionally removed. The company used a large vacuum truck to remove it. They also ripped out the 6mm plastic vapour barrier in the attic. They ...
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475 views

How can I determine what is causing a newly creaking ceiling?

There's an area of my ceiling that has rather suddenly (in the last week) started creaking when the wind blows. It's at a juncture with a wall, right below the attic, and it is very localized (at ...
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223 views

How much attic ventilation is needed?

My roof already had the ridge and soffit vents and gable vents. Does it need attic fans/rotary turbines as well? I heard that I should close off the gable vents to let the ridge and soffits do their ...
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225 views

How do I install a bathroom exhaust system?

We are set to close on our house in about three weeks and one of the problems that the inspector noted was that the vent in the guest bath vents into the attic (never going outside) and the master ...
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947 views

Reducing Attic Fire Risk

When I had my house built, it got cold and so we called the local power co-op energy savings expert to give us advice. One of the things he said was that we had the wrong kind of insulation in the ...
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Recurring crack on second floor ceiling

We have a 13 year old 1 1/2 story house (colonial with vaulted ceiling and dormers on front, 4 BR, 2 BA upstairs on the back side. The foyer is 2 story, with stairs going up to the second level. At ...
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Can I run 3 feet of water pipe in the attic for a rain shower?

I have a shower that I totally gutted out. I plan to implement a regular shower head and another rain shower head. I already have the majority of the work done and have only one thing left: to run a ...
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Do attic vents or rafter baffles need to be as wide as the rafter bay?

What happens if the attic vents or rafter baffles don't cover the entire opening between the rafters and one or two inches of wood is left exposed?
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How can I stop exhaust fan vent condensation problems?

So, our bathroom fan leaks when it is cold. In the attic, the PVC pipe connected to the exhaust is uninsulated, and frosted -- shock! So, my question is, what is the best way to fix this? Do I cut ...
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Can someone review this garage loft design for structure and stability?

I'd like to build a loft above a 12'x16' portion of my garage. My plan is to lag screw ledger boards to the studs and attach 2x10 joists to the ledgers using joist hangers. Additional supports will be ...
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571 views

Insulating attic ceiling and looking for synthetic t&g ceiling boards

We have a 3/4 upper floor room that is in desperate need of a complete overhaul. The current ceiling consists of 2x4 ceiling rafters with a foam vent and perhaps 2.5" of foam insulation, then the ...
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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 ...
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Fishing Wire From Corner of Attic?

I'm running speaker wire from the 2 corners of this room. But one of the corners is way too tight for me to grab the fished wire. And the Fiberglass Wire Pull Rods i'm using are too stiff to bend from ...
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Is there any reason not to use a radiant barrier in the attic?

i am considering putting up a radiant barrier in my attic, with a product like AtticFoil, to 1) reduce the attic temperatures as my A/C ducting is in the attic and 2) to reduce heat convection into my ...
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287 views

where is safe to step on in attic

please see attached picture. Is it safe to step on the angled wood support highlighted in red box?
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761 views

Is a roof sprinker a good idea?

I live in an area where temperatures often reach 95°F (35°C). I have attic fans and soffet vents and radiant barrier. Is it worth adding a roof sprinkler? I have read about it working wonders ...
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Should a fire 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 ...
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What can I do with these roof trusses to cover them up a bit?

Relating to another question about loft conversion I also want to fill up the gaps in between the trusses on which the roof tiles lie on. So during allot of build I heard here and there that some ...
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Why is there water dripping from my ceiling AC vents?

I have a one story house with hot water heat. The house also has forced air AC ducts running from the attached garage, in the attic, down into the living room, bedrooms, and kitchen. At certain times ...
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Properly Venting a Dryer

BACKGROUND INFO: We have an upstairs laundry room with the dryer vented directly into the attic space! House was built in '84, maybe had three previous owners before us. Not sure what the code was ...