2
votes
2answers
86 views

How can I insulate behind pipes that are close to a foundation wall?

Reading around, it seems like most people suggest to put up XPS insulation when finishing a basement. That's great and all, but how do you put 2" of rigid foam behind pipes that already exist in the ...
0
votes
0answers
40 views

Bathroom remodel - Insulation/vapor barrier behind tub surround question

I am renovating my bath and my tub surround says it should be fastened to the studs. With this in mind my 1923 building has serious insulation problems and I would like to add R value as well as some ...
0
votes
0answers
72 views

Can I run heat tape on my water pipe behind drywall without hardwiring?

In removing the ceiling tiles in renovating our basement, it came to my attention that the first 5 feet or so on water supply line has heat tape on it. While we've had no problems with it freezing ...
1
vote
1answer
125 views

How does water supply enter into a pedestal house in cold climates?

I do a fair amount of traveling through West Virginia and other Appalachian destinations and I have noticed a number of pedestal houses (that stand on concrete piers, wooden posts or a combination of ...
4
votes
4answers
500 views

How effective are outdoor foam faucet covers to prevent freezing?

Everyone seems to suggest using those styrofoam faucet covers to help prevent the pipes associated with the fixture from freezing. They're cheap so I have them anyway (plus I'm not in a hard ...
1
vote
2answers
147 views

Preventing a frozen pipe on an extreme weather night

Last week, we had a night that got down to -18F. In the middle of the night, the cold-water pipe going to the kitchen sink froze (but luckily did not burst). After some investigation, it turns out ...
4
votes
1answer
229 views

How can I run plumbing from house to a nearby new office 1.5m away?

I am building a new office next to the house; it is about 1.5m away. I need to run, from the house's upstairs bathroom, 1 hot, 1 cold, and radiator with return (all of which I believe are 28mm to ...
3
votes
1answer
258 views

What kind of pipe insulation is appropriate for sun exposure?

I want to insulate a water line outdoors, where it will be exposed to sun. I expect that UV light will damage many foam pipe insulations over time. Is there a type of insulation that will tolerate ...
2
votes
4answers
3k views

Could insulation around copper pipes cause condensation problems?

Should you insulate hot water pipe (copper) located in an attic? I live in Louisiana, where it rarely gets cold. The plumbers insulated the hot water pipe from the tankless water heater. Now ...
4
votes
1answer
594 views

Should central heating pipes through internal brickwork have insulation?

My house has old (large diameter) steel central heating pipes. These travel through the basement before passing up through the house. My concern is that when they pass through internal walls they are ...