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6,965 questions with no upvoted or accepted answers
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votes
2answers
327 views

What should be used between a concrete tub and wall tile?

I have an older home that has a large, decorative concrete bathtub/shower with tiled enclosure walls. The walls behind the tile and tub are poured concrete. (Yes, the house is very sturdily built.) ...
5
votes
0answers
103 views

Aluminum wiring with dark discolouration on outside

We are in the process of doing renovations on a home which was built in the early 70s in Toronto. The home has aluminum wiring in most places except the basement which was completed later. When some ...
5
votes
1answer
203 views

Adding a C wire to older 3 wire

How do I use the green wire as a C wire as suggested in most installation instructions for the newer wi-fi thermostats? They all reference terminal strips at the furnace, all I have is the 3 wire ...
5
votes
2answers
392 views

Should I cut air space in my basement foam board insulation?

I intend to finish a part of my basement following this guideline from Fine Homebuilding and Building Science. In this configuration, the foam board completely contacts the concrete. My conern is that ...
5
votes
2answers
947 views

Are there any advantages to using higher priced sealers?

I want to use a water based sealer on my pavers to bring out the color and also for some resistance against dirt and fading. I went to the store and saw sealers varying in price from about $11 per ...
5
votes
2answers
2k views

How would I ground an internal ethernet surge protector?

I have a Cat-6 cable running to an external PoE security camera that I'd like to have surge protected, but I'm unsure how to ground the protector. It has a prong coming off that I assume is the ground ...
4
votes
3answers
320 views

What do these cracks in my drywall indicate?

I'm trying to figure out what is going on with my house. I bought it back in February, none of these cracks and bulges were there when I viewed the house. The only problem I noticed were uneven floors....
4
votes
1answer
104 views

Why does sink gurgle after installing AAVs in attic?

I recently installed Studor Mini-Vent air admittance valves (AAVs) in my attic on the two secondary (2 inch) plumbing vents (serving laundry room and kitchen) so that the vents no longer penetrate the ...
4
votes
1answer
112 views

Microbubbles on kitchen cabinet doors using HVLP sprayer, how to fix the issue?

We're trying to paint our kitchen cabinet doors white but keep getting a ton of microbubbles in the process. We have primed the doors twice using B-I-N Shellac-Based White Interior Primer and Sealer ...
4
votes
2answers
344 views

Why is one mounting screw left behind each electrical panel's cover?

I have three electrical panels in the house and with each one, one of the face screws is under the cover as seen in the picture. So it's clearly intentional. What's the purpose of it?
4
votes
1answer
118 views

Is this HVAC condensing unit platform acceptable/stable enough?

Our contractor just installed a new A/C system and he built this platform outside our house for the new condensing unit. It looks like it is a 4" concrete slab sitting on top of brick "legs". Looks ...
4
votes
1answer
772 views

Can a vent be started from a wye?

Is it ok to start a vent on a 45 from a wye like on this drawing? I need to clear the edge of the sink (actually a giant double compartment sink) before I can go up and start horizontal once I clear ...
4
votes
2answers
212 views

Why does my light box have 2 cables for this one switch?

Took down a ceiling fixture and discovered what looks like a possible switch loop, except I don’t understand how the connection gets completed with the current set up. Basically, 2 lines coming into ...
4
votes
0answers
135 views

Strange Pin Pierced Pipe in Boiler

Just wondering if anyone had any ideas on this? The other day, I put the central heating on for the first time in about 6 months. The radiators did not get hot and within a few minutes the boiler ...
4
votes
4answers
867 views

What is the proper way to convert a pair of three-way (SPDT) switches into a single two-way (SPST) switch?

I'm in the process of replacing some of the light switches in my house with smart switches, Wemo Light Switches in this case. I've had no problem with the replacement of my One-way switches (SPST I ...
4
votes
2answers
424 views

What distance apart should metal stud securing brackets be placed?

I have hired a contractor to line the walls of an old apartment with metal stud and drywall as the walls are very uneven. The drywall is up but the walls have quite a lot of give in them, if I push ...
4
votes
1answer
331 views

Is moisture a concern with solid hardwood flooring over a crawl space?

I recently purchased around 600 sq feet of 3 1/4 inch solid hickory from Bruce, which I'm installing over a crawl space. I put down a 6 mil vapor barrier in the crawl space. I'm measuring the ...
4
votes
1answer
337 views

Should drop ear elbows be used with CPVC supply lines?

When running CPVC supply lines for a sink, how should they be anchored before popping out of the drywall? I know with copper you can use drop ear elbows which are mounted to a backer But with CPVC ...
4
votes
2answers
4k views

Wiring in a bath heater,vent, fan combo with power source coming from ceiling

I have 3 cables coming in from the ceiling, with one being the supply. At the switch box I have 2 cables with neither being hot. In the switch box I have a black/white and another set being black/...
4
votes
2answers
6k views

Turn off water heater as well during winter?

If I am going on vacation for an extended period during winter (it occasionally gets below freezing here), should I turn off water valve AND the gas water heater or just turn off the main water valve? ...
4
votes
0answers
4k views

What type of filters should I use for a 3 stage whole house water filter?

We have city water, but it always manages to taste like metal and chlorine. I was going to add point-of-use filters, but then decided it would be better to do the whole house to cover showering, hot ...
4
votes
3answers
23k views

How to seal between sill plate and foundation wall with wide gap?

Here is a picture of the top of my uninsulated basement wall. The foundation is poured and from early 1970s. For orientation to the photo: the white in the lower left corner is the vertical face of ...
4
votes
1answer
893 views

Can we install an aeration unit in an older septic system?

Our home was built in 1957. We have had problems for years with having a wet drain field and keep having our septic pumped. Today (of course my husband is away), I have done a couple of loads of ...
4
votes
1answer
61 views

How to seal straight-thread faucet shank / nipple to the faucet?

I have a faucet which requires installation of a separate threaded 'shank' or nipple which acts as both the water supply inlet and also is used to anchor the faucet to the sink deck. These are ...
4
votes
3answers
2k views

glue/nail down wood flooring installation: any disadvantages for click-lock?

I am purchasing 1300sqft of 3/8" thick engineered hardwood for my home. 600sqft will be glued down (first floor is concrete) and 700 will be nailed down (second floor is wood subfloor). I do not want ...
4
votes
3answers
9k views

Ceiling fan light dims

I have a Harbor Breeze ceiling fan and light kit. When I turn on the light, it starts out bright, but then in a second it dims. It doesn't turn off, it just dims. What could be causing this to ...
4
votes
2answers
190 views

Is there a better method for affixing UPVC floor trim to skirting, other than the adhesive tape provided?

Can anyone recommend a better method of affixing UPVC (e.g. Homelux) floor trims to skirting other than the adhesive tape provided? Can you mechanically affix them or is it just down to adhesives?
3
votes
0answers
46 views

Was my home's dormer flashing installed incorrectly?

I've lived in this home for two years now. Roof is probably at least 10-15 years old, perhaps 20 years. We started noticing some water stains on the ceiling soon after moving in. On a closer look, it ...
3
votes
1answer
81 views

questions hooking up electric outbuilding to main power pole

I need to hook up the outbuilding to the main power pole. It was hooked up before and we moved, moving the outbuilding. I have 10/2 WG UFB wire. the photo shows main power pole. What size amp do I ...
3
votes
2answers
27 views

Thermostat settings two hvac units older house

So I purchased a historic house built in 1920. The house has two HVAC units, one for the upper floor, one for the lower. Total sq ft 3300. I had been setting the upstairs thermostat at about 83 ...
3
votes
0answers
60 views

200Amp Panel upgrade, Flush panel to Surface mount

I'm looking to get my house panel upgraded from a 100 amp FPE firestarter panel to new Square D Panel. The panel I want to use is surface mount and the one built into the house in the 1970's is flush ...
3
votes
1answer
53 views

Furnace Connect G Wire

I have a dual energy electric/oil furnace that is wired to a thermostat with 2 wires R and W. I don't have any AC. Inside the furnace there is a switch relay to control the fan but it is not connected ...
3
votes
0answers
38 views

Replacing a top plate underneath a fireplace, with an attached exterior deck

Amateur here. I have a house where the chimney run framing extends to the basement (rather than simply sitting on a platform attached to the main floor). The only fireplace present is on the main ...
3
votes
0answers
55 views

Can I use this White Wire for a thermostat C wire?

An AC-only machine cools a storage facility: no heat. The 30 year old thermostat is to be replaced with a wifi thermostat, which requires a C-wire to power the electronics. There are 4 wires: Red (...
3
votes
0answers
39 views

Why isn't my furnace igniting?

I noticed cold air from my Carrier 58SS furnace. The main burners were not lighting. The pilot flame was strong, but yellow. When I tapped on the gas valve, the pilot shut off. I removed the pilot ...
3
votes
2answers
83 views

Adding a 100A breaker in front of a feeder

OK, in a rehab of existing outlets I came across a 30A dryer receptacle on a 50A breaker with 12/3 AWG. Needless to say I am not happy. In looking at the breaker box, the white and bare ground are ...
3
votes
1answer
244 views

How to wall-mount to a “resilient channel” wall?

first SE post! MY QUESTION: How do I safely attach an articulating mount (tilt/pan) for a 75" LCD TV to a "sound deadening" wall that uses resilient channels? Thanks to the miracle of the ...
3
votes
1answer
335 views

Sub panel and ground rod installation: “high differential potential between the ground locations”

We have a dock (fixed-pier) that is about 40 feet from the house, and +100 feet from the main panel. 4-wire (2 hots, 1 grounded neutral, and 1 ground) run to a large junction box at the start of the ...
3
votes
0answers
139 views

LG Electric Range - Infinite switch burning up repeatedly, burner staying on high no matter what the setting

I have an LG smooth-top Electric range, LDE4413ST, that keeps burning up infinite switches on the Right Front burner, which is a "dual element" burner. This burner also operates at high power only, ...
3
votes
1answer
149 views

Can Someone Help Me Identify This Switch?

I have a Swaby 5200 pump in my home, and I am hoping that someone out there might be able to suggest a replacement switch part number – or at least point me in the right direction. Pump model: 5200 ...
3
votes
1answer
75 views

York furnace not firing up correctly

I have a York TG9S080B12MP11A up-flow configured natural gas furnace. We have had the furnace since 2007. I am having an issue where the furnace is not starting correctly. When I power up the blower ...
3
votes
1answer
100 views

Sill plate pushing siding off, causing gap for mice and moisture?

Younger home owner here. I've had water get into my basement a few times last spring in the corner and in this area (directly under my little front deck). The corner was due to no downspout (water was ...
3
votes
1answer
94 views

How would you winterize this sprinkler system?

I typically have a local landscaping place blow out my sprinkler lines for winter, but they went out of business this year so I'm trying to figure out how to do it myself. I've done a lot of YouTube ...
3
votes
2answers
78 views

Thermostat White-Rodgers 1F82-261 switches to stage 2 heat for no apparent reason

I am running a central heat system that uses a heat pump as stage 1 and a gas furnace as stage 2. The thermostat used is the White-Rodgers 1F82-261 which supports 2 stages of heat. When using regular ...
3
votes
1answer
1k views

Why my baseboard heater won’t turn with new thermostat?

I have a pair of electromod basement heater. The label on each of them show them show 750/1000W. Power supply to this is 240V I am trying to replace the old manual thermostat with a progrmabale one. ...
3
votes
2answers
82 views

Is there any reason that plumbing can't be adjacent to a heating/cooling duct?

I'm installing a utility sink and the only place to put the plumbing (if it's going to be right under the sink) is either directly behind or infront of this vent... Is there any reason not to put it ...
3
votes
1answer
321 views

Irrigation backflow preventer spigot location question.

I'm not sure if this is the right category to post this so here goes. Long story short I am getting ready to install my backflow preventer, Zurn 34-720A Wilkins Pressure Vacuum, on my DIY irrigation ...
3
votes
1answer
174 views

Can a motorized damper be installed inside existing ductwork?

My HVAC system consists of a fan, furnace, compressor-driven AC, and evaporative cooler. The problem is that there is a large air volume used only by the evaporative cooler that is generating a lot of ...
3
votes
0answers
347 views

Tankless 240V water heater in detached garage tripping AFCI/GFCI breakers in house

We have two separate buildings, a house and a garage/workshop, about 20 feet apart, sharing the same electrical service. On the service entrance, there's a Siemens whole-house surge protector. The ...
3
votes
1answer
116 views

How can I mount a railing in concrete steps when I encounter rebar in the hole?

I need to install a handrail in concrete steps. The problem is that after drilling ~2" (5 cm) down into the concrete, the drill bit wouldn't go any further. I suspect I'm hitting rebar. This is about ...

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