Questions tagged [attic]

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

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22 views

Best way to insulate knee wall

I have knee walls that have the insulation that is falling down. As you can see in the images below, There is very little access behind the knee wall as there is duct work and cross braces in place ...
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54 views

Dryer duct cleaning: brush picks up insulation

Our dryer is on the 2nd floor, above a garage. It vents into the wall and downward, and comes out about twelve feet above ground at an exterior wall several feet away to the right. I think the duct ...
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82 views

Stopping air leaks in attic

I am attempting to take care of air leaks in the attic before new insulation is put in and I have a few questions. Along areas of the roof line there is light that comes through. I don't have soffit ...
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1answer
62 views

Are black spots on the underside of roof sheathing mold?

There is black spots identified in our attic which we are trying to gauge if this is mold.
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96 views

Strengthening existing 2x4 joists to create a mini attic

Between the first and second floor of a friend's house he has about 4' of dead space that he wants me to help convert into storage (this is in San Francisco, so every square foot counts!). He got the ...
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1answer
57 views

Engineer or Architect?

I have a semi-finished attic in my 1930's era cape. A shed roof was added at some point, so there is some open space and light. The square footage is counted as part of the house (well it was when I ...
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1answer
66 views

Roof Rafter/Beam Joint pulling apart and sagging

There is a joint in my attic where 4 beams or rafters meet. Someone used a 2x4 to support one of the beams, but it did not work because the beam was in two sections.As you can see in the pictures, ...
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1answer
155 views

Can I lay an attic floor over electrical wires?

I've been told that the electrical wires in the roof can heat up and potentially start fires if you cover them up. How can I get around this to lay the floor for an attic? The type of floor is just ...
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1answer
54 views

Does a 100 year old home need attic ventilation added if no problems have occurred?

We purchased a 1920 brick home 2 years ago and are pricing a new roof and the roofing contractors want to put in ridge vents and soffit ventilation systems. We currently have two large awning style ...
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85 views

Is this mold situation ok to ignore?

We just bought a home in the North-East and were told by the home inspector that we had some mold growth in the attic, but that he didn't think it was the "toxic" black kind so it wasn't urgent, but ...
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139 views

Could this be asbestos?

I'm gonna get the material tested - already bought the kit. But I'm wonder what people think - I thought it might be old mineral wool since I've seen stuff that looks similar to it. I'd read that ...
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103 views

Can I install attic ladder perpendicular to joists?

I only have one area in old house on the 3rd floor where I can put a pull down attic ladder. That is a narrow hallway but the ladder would need to be installed perpendicular to joists. It is an old ...
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26 views

Removing Wall with 2x4 roof supports attached

I am working on a home remodeling project and would like to remove a wall. When investigating the structure. The wall runs parallel right between two rafters. On top of the wall there are 2 2x4's that ...
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45 views

Adding new electrical outlet; ceiling insulation is sandwiched between drywall and plywood (attic)

I'm looking for a good technique to add an outlet to a wall that currently has no electrical. My initial thought until my discovery was to: 1) Identify the stud I want to anchor the outlet to 2) ...
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1answer
87 views

Why is this ceiling joist cut off on both ends?

Why would this ceiling joist be cut short on both ends, and a flat board be put in the place of the part of the joist that was cut off and removed? Is this a problem I need to fix? If so, how?
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105 views

Gap where two different roof lines meet - best way to close up?

In my attic today I noted that where two different roof lines meet and overlap there is a large visible gap where light was coming in. It looks like they shingled the lower roof and then built the ...
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1answer
245 views

Venting Range Hood into Attic Space, Temporarily

My ductless recirculating range hood broke, and I have to install the replacement. I love to cook, so I'm installing a roof vent for a ducted hood. The range hood I bought has good filtering for ...
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4answers
183 views

Considerations for installing a high efficiency furnace in my attic?

I live in Upstate NY and in the winter it gets below 0° F. I currently have baseboard water heating throughout my home. Prior to this I believe there was a gravity furnace which supplied the house ...
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36 views

Fibreglass batt vs rigid foam insulation replacement in attic

Cleaning out attic in older 1954 rancher, original batt insulation badly damaged due to moisture (no leaks, but previous owners replaced roof in the winter) and rodents. Attic is vented via soffit ...
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35 views

Adding fiberglass batts on top of cellulose; should I remove some cellulose?

I am adding unfaced fiberglass batts atop existing cellulose insulation in my attic. Currently, the cellulose is about 7 inches thick between/atop my 2x6 joists. I am wondering if it is worth ...
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2answers
108 views

Can I install NM cable, junction boxes on attic rafters

I'm replacing knob-and-tube wiring, and plan to add blown-in attic insulation afterward. I figure it would be safer to run NM wire on the underside of the attic rafters than to bury it in insulation, ...
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67 views

Calculating flow volume for whole house fan

My house has a 24" Dayton belt drive whole house fan that's at least 20 years old but looks exactly like the current model 2EAX5. It's nice and quiet but I want it to move more air. It has a 1/3hp ...
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118 views

How to safely make space for attic ladder installation

I want to install an attic ladder in the ceiling of our 1930s house. There is no ideal location in which the attic ladder would fit between the ceiling joists, so a joist or two will definitely need ...
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2answers
163 views

Gray “Dust” On Pink Insulation in Attic

I was looking in my attic today for the first time; it's been on my list to check up there to make sure nothing looks off (i.e. no water damage, the roof isn't falling apart, etc). One thing I ...
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3answers
90 views

Insulating an attic ceiling

I am planning to insulate my walk-in attic to turn it into a storage room(closet for the wife), but I am having some issue understanding the process. The ceiling of this attic is at 45 degree. It has ...
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1answer
48 views

What is the standard way to secure flex duct in an attic?

I was in a house and noticed that flex duct (or what I think is flex duct) is being secured via a strap that's looped around the duct and then nailed to an attic truss (see picture below). Is this the ...
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1answer
55 views

Cold water tank overflowing like crazy then stopped

so I have a normal non combi boiler and in my loft a cold water tank, then in my airing cupboard I have a hot water tank with an overflow/pressure release pipe that runs up and to the cold water tank ...
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55 views

Insulating small area in attic-like space

I recently moved into (am renting) a new place and have set up a desk in an attic like space. It's overall not an ideal setup but I have limited financial resources. The issue I am facing right now is ...
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3answers
207 views

Is wiring laying alongside an attic access opening a code violation or safety concern?

I have a new house nearing completion in Manning, South Carolina, with all non-metallic jacket wire. However, the scuttle holes for two retractable stairs and attic lift had wires blocking access ...
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187 views

Old home, is this asbestos in the attic?

House was built in the 40s and moved in the 70s, no idea if it was reinsulated or not after being moved
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81 views

Insulating a Wall Against Unconditioned Attic Space

I'm looking for help in insulating my 1950s San Diego house. A second story was added in the 70s and a gas furnace + A/C was added about 10 years ago in the unconditioned space above the downstairs ...
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1answer
54 views

fixing sagging insulation

I have a two story 1970s home that has basically storage rooms upstairs off the bedrooms where the roof angles down. Inside these rooms is the studs and insulation facing the exterior roof. Since ...
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1answer
75 views

Small patch in wall sheathing behind masonry chimney

I noticed a small hole, about 14” x 14” in our attic on the gable side. I wonder if it used to be a gable vent. Home was built in 66’ What can i do to patch this up? It looks like this sheathing ...
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62 views

What’s best for attic insulation

I want to improve my attic insulation. What is the best option to use - Fiberglass batts or blowin insulation? The code says R-30, but will R-38 or higher be better option (New York area and also plan ...
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104 views

Attic more drafty after roof replaced

We had our house re-roofed a few weeks ago and I noticed that my attic is more drafty. I live in the UK and my house was built in the 1960s. It is a semi-detached bungalow. I'm not sure what the ...
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2answers
74 views

Should I use reflective insulation over other kinds of attic insulation?

I just moved into a house made in 1969, it gets really hot during the sunny days and cold during the winter. I'm living close to the rocky mountains just so you have an idea how cold and hot it gets. ...
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16 views

Cleaning a sani flow pump used for graywater

How do you clean a macerator pump attached to a sink and shower? The pump is located behind a knee wall in the attic and is accessible.
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1answer
60 views

Plasterboard on roof rafters. Is this okay?

I am looking to convert the eaves of my loft into storage space. I plan to lay chipboard floor panels over the joists below, but not sure how to best cover the exposed sloping rafters above. I was ...
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56 views

Vibrating attic fan

I recently replaced the motor in my PR3 Master Flow attic fan. The fan with the the new motor vibrates significantly more than the old one. I may have been a little too aggressive trying to get the ...
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2answers
1k views

How to make attic easier to traverse?

My attic is a maze of wires, air ducts and PVC water pipes. I went just one room over from the attic entrance and it took me a solid 30 minutes just to go there and back. Would it be unreasonable to ...
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1answer
53 views

How important is soffit ventilation with tiled roofs?

While attempting to install a security camera in the soffit of my bungalow home, I noticed that there is wood paneling beneath (above) the soffit. The soffits are aluminum, and it looks as though ...
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43 views

attic firewall gap

Twin home, built 1987. In the unfinished attic the last joist does not fully touch the firewall and there is a sizeable gap, 1-2 inches. There is some splatter from mortar along it. I suppose this ...
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1answer
36 views

Attic Fan and LEDs

My attic fan stopped working, I swapped it out for a new fan with thermostat. Still not working, I suspect that recently installed LED lighting in my kitchen may be causing this problem with the attic ...
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2answers
76 views

Can I replace 4" fiberglass batts with thicker ones in my attic?

We live in an early 1970s ranch style house. Single story. Attic formed by 2x4 trusses on 24 inch centers. The insulation is R13 batt laid on top of the ceiling drywall but this has been removed in ...
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71 views

Attic Fan in Garage of Ranch Home

My attached 2 car garage typically gets over 100 degrees in the summer. I have an insulated garage door. The garage has a sheetrock ceiling and attic space above that is connected to the rest of the ...
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2answers
113 views

How to correctly add flooring to insulated attic

My attic is well-insulated with fiberglass insulation strips laid between the joists, silver thermal wrap stretched across the joists, and 18-20 inches of blown insulation on top. But as I ...
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1answer
73 views

Remove soffit / refrofit attic rafter baffle vent

Will I be able to pry down this soffit venting/siding to secure baffle/rafter vents (I understand you really want to secure down that leading edge so you don't have creeping underneath and hitting the ...
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35 views

can I vent a bathroom vent through an existing gooseneck?

Can I vent a bathroom vent through an existing gooseneck attic vent? I already have another gooseneck and two gables along with soft vents.
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1answer
122 views

Insulate back of high and low voltage gang boxes in attic

We just finished building a home, and I prewired an equipment closet upstairs for handling all of my networking, home theater and whole home audio equipment. It looks like this: All the single and ...
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1answer
167 views

Can this joist support be replaced with plywood?

The attic above my garage has several of these horizontal support beams across the ceiling joists, I assume to keep them from bowing. I’d like to put down plywood across the whole floor without these ...

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