Questions tagged [attic]

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

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2answers
443 views

Polystyrene or other foam instead of mineral wool in low pitch loft

Have a 1970's 3-bed detached house with quite a low pitch roof - thus making loft space and accessibility less than easy. We are UK based. We've got bare minimum insulation at present (seems to be ...
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1answer
28 views

Plasterboard on roof rafters. Is this okay?

I am looking to convert the eves 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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1answer
36 views

Attic Insulation Questions

We live in an early 1970s ranch style house. Single story. Attic formed by the 2x4 trusses on 24 inch centers. The insulation is R13 batt layed on top of the ceiling dry wall but this has been removed ...
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2answers
42 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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1answer
78 views

attic floor insulation vs. attic roof insulation

My attic is finished; 3 rooms, wood floors, plaster ceilings. I've gotten conflicting advice: some say insulate the floor, others the roof. The attic will not be used as living space. There are no ...
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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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2answers
2k views

How many soffit vents do I need?

Quick question regarding venting of my attic. I have two gable vents and a ridge vent, but home inspection recommends soffit vents be installed. I've calculated how many soffit vents needed, without ...
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2answers
53 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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1answer
48 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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29 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
34 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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1answer
3k views

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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2answers
66 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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7answers
6k views

How to clean a really dirty and dusty attic?

I have an unfinished attic that is full of old pieces of wood from the previous roof, it's full of dust, wood dust, other stuff, probably some lead dust, etc. there are also old boxes, a TV, and other ...
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1answer
46 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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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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4answers
13k views

How should I add new joists and flooring to a loft space?

First off, basic floor plan of the loft: Hard lines are the walls on the first floor underneath, joists on the first floor landing run left to right so does that mean the central wall running front ...
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1answer
30 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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4answers
39k views

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 wouldn'...
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2answers
268 views

Should I keep attic gable windows open for ventilation?

Our attic only has a ridge vent (no soffits). It also has two windows on either end. It was recommended that we keep them open to help ventilate the attic. Is this a good recommendation? Should we ...
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1answer
74 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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1answer
43 views

Do I need to replace attic insulation directly against new framing for a bath fan?

I have to temporarily remove insulation to install a new bath fan. The installation will require installing some 2X4 framing to hold the new fan in place. Is it enough to simply fold the insulation ...
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3answers
6k 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.
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Will birds in my loft affect me selling my house?

I hope this is the correct S.E for this question, if not, please direct me to the best one. I have got birds in my loft, I went up and saw one earlier today. Normally, that isn't a problem, I would ...
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3answers
86 views

How do I balance an attic fan?

I have recently replaced a motor for my attic fan because the original one burned out. I did measurements for the height of the fan blades in relation to the supports and ensured that when I re-...
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0answers
26 views

Diagnose poorly functioning whole house fan

I installed an AirScape3.5e whole house fan. I don't think the fan is operating at its max potential. It just doesn't seem to cool the house down very much when running even when the outdoor ...
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1answer
67 views

Want to update insulation in knee walls. Pictures of the inside. I think it might be worth taking the old out and redoing it all, thoughts?

I purchased a house in the Metro Detroit area. 1943 built. Cape cod bungalow, pretty sure. Last winter, I had pretty bad ice dams and would like to re-insulate the knee walls before it gets too cold. ...
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1answer
46 views

Attic remodel, subfloor, electrical near by

I’m trying to finish an attic, however, can lights from the living room and other electrical peeks above the joist about an inch give or take. How would I finish the floor with those obstructions in ...
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1answer
38 views

Difference between various Radiant Barrier types

Can someone explain me the difference between radiant barrier types and which one is the best option? I am seeing products like foil, Double Insulated Metalized Mylar Double Foil Bubble Wrap. I do ...
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1answer
285 views

What's the best way to insulate an attic with 2x4 joists?

My 1938 home currently has zero insulation (aside from a few fiberglass batts haphazardly tossed about). The ceiling joists are 2x4 (spaced 16 inch OC), rather than the more modern standard of 2x6 or ...
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0answers
57 views

Why multiple pipes in attic?

I have a single story house, built in the late 40s, with a small kitchen and one small bathroom. I was up in the attic checking something and noticed multiple pipes running to the roof -- all located ...
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30 views

Is it possible to use a scaffold ladder as access to loft?

I am looking for affordable, safe access to the 7'x 7' sleeping loft we are soon to build and came across a scaffolding ladder with handrails for under $100. Is this a crazy idea or a viable option? ...
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1answer
82 views

how to insulate attic that contains high-efficiency furnace?

We have an older home with a separate high efficiency furnace for the second floor. It sits on a floored area of the attic. We have virtually no insulation and I've gotten various recommendations ...
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1answer
54 views

Attic Temperature Affected by Insulation

I recently moved into the attic and converted it into my bedroom, There was insulation on the floor but none on the walls which made it uncomfortable to live in considering its the summer. I got a ...
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0answers
74 views

Loft conversion - steel beam sticking out

Good afternoon, We have started loft conversion today. Sadly after builders uncovered the roof they discovered that unlike structural engineer's assumption (they were buried under insulation), the ...
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1answer
73 views

Some powdery substance on roof rafters

I notice some powder substance on roof rafters in the attic. Its only at few places. Does anyone know what exactly it can be?
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AC unit not turning on

My A/C doesn't come on when I set the temperature on the Braeburn thermostat very low. Also, the recirculation fan doesn't come on when I set the thermostats fan setting to 'on', as though the indoor ...
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2answers
1k views

Is dirty batt insulation on attic floor a sign of air leakage?

My attic is 530 sqft, with soffits, ridge vent and some 18"X18" window with mesh over it (I cant recall its name). The house was built in 1960 and has batt insulation on the attic floor. The batt ...
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2answers
2k views

No Attic vent, in Florida, new-ish house - needed?

We have a SW Florida (Cape Coral) house built in 2005. The house is block construction, high ceilings (10-14'), about 3100 sq ft, and concrete tile steep hip roof (by eye at least 12 in 12). The ...
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3answers
147 views

Running romex in 20" attic space using pipe hangers

My drywall ceiling is attached to 2x6 joists 16" OC. Then, a 10" air gap above these joists are the 2x6 rafters 32" OC, for my flat roof just above. Even though the home is 1955, I have knob & ...
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2answers
1k views

How can install rafter baffle venting without removing drywall?

I have a finished attic, that needs to be updated. The pitched sides of the roof are sheetrocked & insulated, the ceiling is a suspended ceiling (will be sheetrocked) and the low knee walls are ...
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2answers
118 views

Remodeling garage to include an attic storage area for gutter supplies

Garage is 22'x 22', I removed the 2x4 rafter ties that were spliced and on 4' spacing , replacing them with a 22' 2x6 every 2'adding a knee wall on each side creating a 10'W x 20'L x 5'H at the peak. ...
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1answer
39 views

Adding (small) load to existing rafters with 2x4

I am planning on installing a whole house fan (shown in the image below). The fan has a total system weight of 40 pounds and needs to be supported via metal and nylon straps to a beam as shown in the ...
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7answers
23k 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 ...
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Open cell spray foam off gassing 2 years later. How to fix?

My home was built in 2017 and has Accella open cell spray foam in the unvented attic. In spring & summer 2018 we noticed a mild chemical smell coming from the attic on hot and/or humid days. It ...
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1answer
66 views

Replace Attic Fan Without Going on the Roof

I'm attempting to replace the motor of my attic fan. I've disconnected everything else, but I noticed after I removed the nuts on the support bars that I can't pull the fan and motor through the ...
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1answer
29 views

How should location on roof be flashed or sealed?

During hurricane Florence we had significant water get into our house from the roof. There is a location in our roof (see pic) where from inside in the attic I am able to stick a toothbrush through ...
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1answer
64 views

Adding floor joists to an attic

I am trying to add floor joists to an attic and intend for getting decent amount of support for plywood flooring and storage. The existing truss is 13' across and 24'' span between 2x4 ceiling joists....
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2answers
30 views

What type of exhaust ventilation is best for attic?

We want to add exhaust ventilation to our attic (hip-style composition roof). Which type is most effective, passive or power?
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84 views

Can a bathroom fan go out a ridge vent, and how functional is this temporary fix?

I'm in a 1 story craftsman house and have a bathroom vent that had no ductwork, just pouring wet air into the attic. The vent also didn't work well to begin with so we never used it and thankfully ...