Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [attic]

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

0
votes
0answers
24 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 ...
1
vote
0answers
54 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 ...
0
votes
0answers
25 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? ...
2
votes
0answers
55 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 ...
1
vote
0answers
27 views

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 ...
2
votes
3answers
104 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 & ...
1
vote
1answer
31 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 ...
0
votes
0answers
57 views

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 ...
1
vote
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 ...
3
votes
1answer
25 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 ...
0
votes
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....
0
votes
2answers
27 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?
0
votes
0answers
23 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 ...
5
votes
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 ...
0
votes
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 ...
0
votes
0answers
63 views

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 (...
1
vote
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 ...
0
votes
0answers
31 views

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 ...
3
votes
3answers
965 views

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 ...
2
votes
1answer
36 views

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 ...
5
votes
4answers
177 views

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 ...
0
votes
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 ...
0
votes
1answer
33 views

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 ...
2
votes
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 ...
1
vote
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?
2
votes
2answers
91 views

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 ...
2
votes
1answer
74 views

Why are some of my trusses nailed to interior wall top plate?

I am hoping someone can answer why I have multiple trusses nailed into the top plate of a small interior wall in my home. In the first image, I have highlighted in red where the trusses actually touch,...
1
vote
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 ...
2
votes
1answer
67 views

What are these thin boards resting on interior wall top plate for?

I am trying to figure out what these two thin (1x4?) boards being used for in my attic. As you can see in the second picture, they are running parallel to the roof trusses, and on top of the interior ...
0
votes
2answers
73 views

What is the term for a gambrel roof with an extra angle on each side?

What is the this roof style? Can it even be done with timber! Its not Mansard or Gambrel. Though similar to Gambrel notice the extra pitch. Any pictures, design, sketches of where this has been ...
1
vote
2answers
75 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 ...
0
votes
0answers
25 views

Considerations for improving a cellar floor

I can think of several ways of improving a cellar floor surface. Before I outline them, here's a description of the situation: The house was built in approximately 1900. When I looked at it in May, ...
0
votes
2answers
61 views

Is 4“ Ducting Used for a 4” Bath Fan?

I'm interested in installing a bath fan and am currently planning ou the project. The fan specs (https://www.homedepot.com/p/Delta-Breez-GreenBuilder-Series-100-CFM-Wall-or-Ceiling-Bathroom-Exhaust-...
1
vote
1answer
34 views

Moving a Drywall & Trim Access Hatch?

I have a question similar to (Cutting ceiling joist for attic ladder install) but plan on making a typical access hatch out of drywall and trim. The question differs in other ways too. This may ...
0
votes
1answer
222 views

Restrictions on 90 Degree Elbow for a Bathroom Exhaust Fan?

The manual for a certain (100CFM/4") bathroom exhaust fan has a restriction on using 90-degree elbows close to the unit. Why is this? Is it okay to use 90-degree elbows further down the exhaust path? ...
1
vote
2answers
502 views

What Type of Ducting Should Be Used for a Bathroom Exhaust Fan?

I'm planning on installing a Bathroom exhaust fan (Just a note, the port is 4") and am curious as to what kind of duct should be used. I've heard that the duct should be insulated to prevent water ...
2
votes
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 ...
0
votes
1answer
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 ...
0
votes
1answer
32 views

Dumb insulation question

I need to install an attic floor in my workshop - currently the rafters are exposed. I plan to use 3/4 plywood, then run faced insulation, then install a ceiling at a later date as time permits. As ...
0
votes
1answer
33 views

Insulation and roof venting

I am in the process of finishing my bonus room (attic space above the garage). There are soffit vents and a ridge vent. If I put insulation in between the rafters before I drywall the ceiling, will ...
0
votes
1answer
48 views

Reduce high humidity in attic

My attic has high humidity. I put a combo temp-humidity monitor and it was in the high 70s. It’s 30 degrees outside. I’ve read about what could cause the high humidity and two key things came up: ...
1
vote
0answers
38 views

Insulating townhouse's attic sidewall?

Last winter, I've had some issues with ice dams on my roof. I live in a townhouse in Southern Quebec, Canada, in the middle unit, where lately temperatures during the winter can go anywhere between -...
0
votes
1answer
36 views

Should I install fiberglass batts underneath my existing blown fiberglass?

I have loose fill fiberglass insulation in my attic (picture below). I was thinking about upgrading the insulation because, from what I've read, this is one of the least effective insulation types. ...
0
votes
2answers
91 views

control for attic fan

I have an attic fan with an old (MH Rhodes 90015 /marktime) mechanical timer switch. I want to replace the timer with a thermostat (presumably a line-voltage thermostat). To my surprise, in the ...
0
votes
2answers
270 views

Run electrical wire outside in for new lightings for cathedral ceiling

This is my living room and I am planning to install 9 recessed lights on the cathedral ceiling. There is no attic space and there should be just 4-5" gap on top before it hits the roof. I don't want ...
1
vote
2answers
319 views

Can hanging a 70 lbs punching bag from my garage ceiling cause damage?

Took a look in the attic above the garage to find somewhere to hang my 70 lbs punching bag. After seeing what was up there, I wasn't sure it was a good idea anymore so I was hoping to get some ...
1
vote
1answer
513 views

Roofing nails protruding in attic dripping with condensation

After a re-roofing job there are hundreds of nail points sticking out in the attic. I use some of the attic space for storage so when standing up in there I get poked in the head, but also in freezing ...
0
votes
1answer
139 views

Do we need a gable vent, and in either case, how to vent bathroom fan outside (can it be via the gable)?

We need to put a hole from our attic to the outside, one way or the other. Before making any holes, I hope to hash out the details. Here's the goals: Make sure attic is properly vented Direct ...
2
votes
1answer
66 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. ...
0
votes
0answers
45 views

Loft elevator for human

Im thinking of implementing simple lift system to carry goods as well as a single person into the attic. 250Kg capacity electric hoist is good enough for this pupose but im concerned about safely ...