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

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Would enveloping an attic in insulation cause any problems?

My attic currently has batt insulation between the joists, and a second layer of batt insulation on top of that. In the summer, the second floor is quite a bit warmer than the first floor. I'm ...
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141 views

Is it economically reasonable to cool the roof by water evaporation

I want to estimate the outcome before going into hassle of installing the sprinklers/mist emitters. I have a place on the last floor, you can call it an attic, directly under a flat roof which is ...
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Can I install insulation over the HVAC duct work and plywood?

Currently there is R19 faced insulation installed between the floor joists. I am adding R30 unfaced perpendicular to the currently installed R19. I have two questions: 1) There is an HVAC unit in ...
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769 views

Do I have to worry about condensation on plywood over rigid foam insulation in the attic?

I have a vented attic space with poor insulation in the attic floor and rafters, so I'm going to button it up. My energy auditor suggested I insulate the floor as follows: cut blocks of rigid foam ...
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124 views

Are mice dying in my loft?

I have a downstairs toilet that protrudes from the side of the house. As a result, it has a loft area that is not accessible without cutting into the plasterboard ceiling. Mice are fairly common in ...
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173 views

Attic was built to be living space in 1945, but are the trusses strong enough to keep doing so?

I have a Cape Cod style house that was built in 1945 with an attic as a living space. The trusses are 2x6, 16" apart, and don't span more than 15' across. Do I need to reinforce these trusses or ...
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104 views

Should I use 14/2 Romex or Armored Cable between plaster attic ceiling and exterior roof?

I am running wire for some recessed lights in my finished attic. It is a typical gable roof; the interior is plastered with 2x6 joists. Im curious to know if running Romex in the ceiling between the ...
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Insulation type to use on a hinged metal attic door

In this question, I asked about the best type of insulation to use on a hinged metal attic door, when one is also concerned about heat entering around the edges of the door when closed. The answer I ...
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Looking for Second Opinion on New Insulation in Attic

I had someone come take a look at the attic yesterday to do an assessment. He uses the sprayable foam insulation and said that he would spray the ceiling of the attic rather than the floor (and remove ...
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2answers
124 views

What under-eaves vents can I use to maximize attic airflow and minimize insect infiltration?

I live in Seattle. It doesn't snow here often. Winters are cold, but temps do not dip below 32 for long periods of time very often. I live in a small, one-level 950 sq. ft. house built in the 1950s. ...
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74 views

How to protect non-metallic cable parallel to face of joist in attic?

I would like to run non-metallic cable (Romex) along the sides of the floor joists in my attic. Code (NEC 300.4(D)) says that wires need to be 1.25" from the top or bottom of the framing member. ...
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418 views

What could be causing condensation on attic pipes?

My son just bought a new house in Calvary, Alberta. The last few nights have been approximately -30 °C (-22 °F). When he was cleaning his second floor guest bathroom, he noticed a stain on ...
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115 views

How do we properly insulate a loft ceiling with 2“ by 4” without loosing space?

We have recently started a home improvement project that involved completely redoing all of our vaulted ceilings. We have a loft area that was about 6 foot in height at the peak. When we did the demo ...
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2answers
291 views

Can insulation batts run on top of wall studs?

Our house has vaulted ceilings, and the attic space contains three walls that are shared with living space (bedroom and living room). The attic sides of these walls have batts of insulation on them, ...
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702 views

what size wood to use for garage loft

I want to build a loft above my two car spaces in the garage. It is 20 feet wide. Length is flexible depending on wood suggested. 8, 10, 12, 16 feet etc. There will be walls on three side but I ...
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219 views

Add blown in insulation by hand

I have a few small areas in my attic that don't have sufficient insulation. The insulation already in place is blown-in. How practical is it to fluff up blow-in insulation and deposit it by hand in ...
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1k views

Attic Venting of Knee Wall in Cape Cod

I have a cape cod style home, pictured below. The second story living space on the back side of the home is created by having a lower pitched roof. So, the front and back sides of the roof have ...
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Can I run water lines through the attic?

I recently had a Slab leak in my home in Indianapolis,IN. This is the 4th Slab leak since I've owned the home. I decided it was time to reroute all the Water lines. I thought this was best so I ...
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772 views

What license/certifications are appropriate for mold remediation firms?

I am looking for someone to clean up mold in my attic, and I have been advised to find someone who is licensed in the area of mold. I’ve checked HomeAdvisor and BBB, but it’s not clear to me who ...
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Why am I having an attic ventilation problem this year when I didn't last year?

This winter in the attic I noticed ice on the roofing nails. Obviously warm moist air condensed and then froze on the cold nails. When the weather broke and warmed up a bit, I was back up in the attic ...
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84 views

How to add more lights to my attic

I have 1 light in my attic but its not bright enough for the whole attic so i want to add 4 more lights. the switch is in the downstairs hallway, so all that is in the attic is a electrical wire and ...
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possible to have too much soffit intake venting for roof/attic?

Is it possible to have too much soffit intake? Currently my simple gable roof on a ranch home has 8 RVO38 vents but NO soffit intake vents (terrible!). Of course the attic space runs incredibly hot ...
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140 views

Can I move an attic furnace downstairs

I love the single unit HVACs. I hate the unit in the attic - it has leaked so many times. Now that I am ready to replace the attic unit, I was wondering if I could have the same setup as my 1st floor ...
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219 views

how to insulate attic bathroom vent to prevent condensation

i bought a house in june and the bathroom fan start dripping water a few weeks ago (november). I looked at the inspection report and the picture shows that the vent duct through the roof isn't ...
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How can I insulate an already converted attic space?

A couple of years ago we had our attic converted to a spare bedroom, It became obvious after the first winter that there was a problem, after inspection it was confirmed that there is no insulation ...
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Can I extend attic vents so they don't get blocked by snow?

I have 2 square low profile attic vents on the detached garage but I'm pretty sure they are blocked with snow during the winter. If I should alter them, are there extensions available to raise these ...
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Is this a safe way to clean black mold in the attic? [duplicate]

Possible Duplicate: How to remove/clean black mold? My dad says there's mold in the attic (that looks black), and he plans to spray it with a mixture of water and chlorine. Is this a safe ...
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169 views

Home inspection requires exhaust to attic exterior

We have sold our 1995 built home. One item that needs to be addressed is "Bathroom fans vent to attic and need to exhaust to the exterior of the attic to prevent moisture condensation in attic." I ...
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Risks of blocking loft hatch?

I am looking to have a built in wardrobe installed but having it where I want would mean blocking the loft hatch. Are there any risks to not having access to the loft?
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58 views

Adding storage in my attic

I'm moving in a new house in a week. House was built in 1953. The attic has a small walkway right down the middle with loose insulation on the left and right. I wanted to put plywood down over the ...
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2k views

Where is the best place to store cardboard?

Having recently moved, a thrifty state of mind, and plenty of room for storage, taking into account mice, mold, and structural breakdown: Would it be better to storage collapsed moving boxes in the ...
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Add fiberglass rolls across joists in attic if joist cavities not completely filled?

We purchased a house with an insufficiently insulated attic. There's currently about 2-3 inches of loose-fill fiberglass insulation in between the 2x6 joists. I'd love to just roll unfaced R-30 ...
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Concerns about cutting into roof for attic access?

I've spoken with a contractor who proposes cutting a hole in the roof of our circa 1900 house to access the attic for installing insulation. This intuitively seems like a bad idea--that it could ...
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Adding 2 lights, white wires only?

I am adding 2 additional light receptacles in my garage attic. I thought this was going to be pretty straightforward until I got to the currently working light in the attic (pic attached). I get ...
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2answers
124 views

Is it safe to have a wall wart plugged in to a receptacle in an attic?

I'm trying to move my router to get better reception through my house. There is a perfect spot just below the ceiling in the middle of my house. I can run the CAT5 no problem, however, I'm worried ...
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1answer
159 views

how do i improve the temperature of my sons room?

i have a house in new york and i have insulation with paper backing in the attic. My room which has the thermostat is always 4 degrees warmer than his room which is situated over the living room can i ...
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70 views

Water under the vapour barrier in the attic

I noticed a small wet patch on my bathroom ceiling. So I climbed into the attic to see if the roof is leaking as the wet patch was close to the wall near where the eves trough runs. It was then that I ...
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1answer
95 views

Should there be an air outlet in an attic with a whole house fan?

There has been a whole house fan between the second floor and attic of my house for some time. We usually have it on with the downstairs windows open. I just had a thought: Should there be an open ...
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23 views

Drywall,taping attic ceiling

I'm remodeling my attic in my bungalow, the way I want to do it is to leave the rafters exposed so I get a rustic loft look. What I done first was put wood strips up between the rafters then installed ...
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Is this fix for a cracked whole house fan collar sufficient?

This past fall we had a new HVAC system put in along with new duct work and insulation. There were a lot of people in my attic, and over the course of the project, the collar that sits above my whole ...
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45 views

How to build attic space in garage

I have a garage with a peaked roof supported by 2x6 trusses spaced at 48". I want to insulate the attic space. How should I proceed? I'm planning to toenail 2x4s perpendicular to the trusses (spaced ...
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1answer
54 views

Attic insulation: Giving unfaced insulation a face

I just moved into a small 1950s home. The previous owner had purchased tons of unfaced fiberglass batts and they are still in their bags, piled up in the attic. So I'm going to clean up the little bit ...
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1answer
47 views

Insulating the concrete attic with rockwool slabs

I want to insulate the attic with rockwool slabs in an unusual way. My house is old and we may have to rebuilt a new house in next 5 years, so I do not want to spend a lot of money on this. Attic / ...
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How to cover exposed attic wall insulation

I have a small walk (crouch)-in attic from the closet of one of my upstairs bedrooms. It has insulation on the walls that form the bedroom closet/wall. Given how small the attic is, whenever I go in ...
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1answer
220 views

knee wall no venting possible

My master bedroom is above my garage. There is one part of the bedroom that has a cathedral ceiling with knee walls on both sides. There is no attic above this area because the drywall goes up along ...
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1answer
261 views

Finishing Attic Floor (Joists Blocking / Insulation)

I moved into a house built in the 1920's several months ago that has a finished attic where the former owner's two teenage boys were living. I want to go from the old ratty carpeting to nice floor ...
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167 views

Should I install a plastic vapor barrier below the insulation between my ceiling and attic floor?

I'm redoing the insulation in my attic the floor/ceiling cavity and then the ceiling of the attic. I have 2 rolls of plastic that is 15 ft by 150 ft just sitting around -- I've had it for years. Is it ...
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182 views

Is sealing via tape necessary for knee wall foam board insulation.?

I have dramatically improved the ventilation and insulation situation in my house's knee wall attic space, but I have one concern. I nailed up foam board over the studs and fiberglass batts. Do the ...
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270 views

How should I run CAT6 wiring from one side of my house to the other?

I want to run CAT6 wire through my house, from the wired west wall to the east end of the house, and I would like to do so as cheaply as possible. I do have an inside storage space under the living ...
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1k views

Installing cardboard deflectors (baffles) in attic

Goal I need to install 75 cardboard deflectors (baffles) in my attic. I need to do this so that the cellulose does not go into my soffits. Current Setup I brought myself up three sheets of 2x10 ...