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Questions tagged [attic]

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

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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
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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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45 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
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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
175 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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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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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
72 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
54 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
67 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
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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
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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
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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
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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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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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2answers
417 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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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
52 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
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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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1answer
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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
57 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
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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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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 ...
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1answer
402 views

I have no power in my attic and there are not any tripped breakers of GFCI in the house

In my Attic I a have an outlet, junction box that goes to Two ceiling Fans that are not working and a pull string mounted light.I used a voltage tester one all three(outlet, junction box, and light) ...
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3answers
3k views

If I blow insulation everywhere in my attic except the door trap, will heat escape through it?

I want to blow insulation into my attic. The door into my attic is on the floor and made up of a large board which doesn't have hinges. I have to push the door up and slide it over in order to gain ...
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0answers
35 views

Finding flies floating in a toilet with a closed lid

We came back to our house after being gone and having it closed up for 10 weeks. There were some live flies and a lot of dead ones everywhere! I had a dead fly fall out of a bathroom cupboard when I ...
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2answers
47 views

Finishing an attic, building codes, layout possibilities

Our attic is entirely unfinished - exposed floor and wall studs. It has windows and is wired for a single light fixture. There is a fixed staircase up to the attic from the second floor where 19.5 is ...
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0answers
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Rubber electrical tape safe under code for attics?

I'm buying a house. The attic had a wire with frayed outer insulation. I negotiated repair of the cable. The seller has responded that the repairperson wrapped the fray with rubber electrical tape (...
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I have an old house that has 2 wire system black wire white wire wrapped in cloth

It's aluminum wire. I have hot (black) and a white that's supplying 3 other sets of wires. Do I put all 4 black and all 4 white together?? 1 light switch,1 bedroom light , 1 light switch in bathroom ...
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3answers
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I rented an insulation blower. How do I get the insulation into the attic?

Apparently the blower weights 150 lbs and I'm not sure if I can get it up into the attic. Or, perhaps, are the hoses long enough to reach all edges of a 1000 sq ft attic without requiring the blower ...
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3answers
57 views

Does using an existing attic exhaust pipe to also serve air flow from a range hood cause smells/micro particles of oil/soot/etc to get into attic?

Our kitchen renovation contractor decided to change plans on us and vent the range hood out via the same pipe as was pre-existing to passively control the temperature in our attic, instead of vent out ...
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5answers
808 views

Ok to add cellulose over blown fiberglass insulation?

I have an attic with blown in fiberglass insulation, probably original and 27 years old. The attic appears to have had some moisture issues in the past (bathroom vents being vented out of the soffit ...
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1answer
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Is sealant recommended/required over receptacle or other ceiling fixtures located in attic?

I noticed my attic has a few recess lights just sitting in attic insulation and I was planning on adding a new receptacle via my attic ceiling. Do you recommend adding some sealant around the electric ...
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2answers
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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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3answers
1k views

What is this stuff in the attic?

What is the black stuff in the first four photos, and the white stuff in the last photo? Is any of it mold, or is it all harmless stuff? Structure is about 10 years old. Home inspector claimed that ...
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4answers
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Did unfinished attics serve a functional purpose in old houses?

I do a lot of work with detached, wood-framed houses built in the United States between 1850 and 1920. Almost all of them have a walk-up attic that was not finished originally. In some cases the ...
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1answer
41 views

So sistered floor joists need to touch the wall?

Improving an attic for live loads. Contractor sistered our 2x6s but due to the plaster ceiling, they weren't able to sister evenly. I realized this means the new sistered 2x6 beams aren't actually ...
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1answer
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Stalling roof turbines to improve air flow?

My landlord claims that roof turbine ventilators move more air when they do not spin—e.g. by stalling it using a piece of wire tied through the vent and the brace. His reasoning, roughly, is that when ...
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6answers
36k views

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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3answers
1k 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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1answer
21 views

Should loft insulation cover wall cavities?

When insulating a loft at ceiling level with mineral wool type material, should the insulation cover the exposed wall cavities for external walls?
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2answers
74 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
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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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11answers
24k views

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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2answers
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Replacing attic light switch with Leviton combo

I want to replace and old Leviton attic light switch with a Leviton combo switch/outlet. The junction box has two Romex cables in and one out to the current light. The two in have each a black wire ...
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2answers
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Making exposed structural wood look nice

I built a loft/bed in a bedroom. It uses structural 2x which will be exposed once the room is complete. The structural 2x (a vertical 2x6 post and horizontal 2x12-2 beams spanning 75% of the room) ...