For questions regarding the roof of a home or other structure in general, including roofing types, installation, maintenance and repair, upgrades, venting, and potential problems.

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8
votes
3answers
14k views

Why is water leaking near my bathroom's exhaust fan?

This weekend when the snow started melting on my roof, I noticed a small water spot developing around all three bathroom exhaust fans in my house. I'm guessing the water leaked in around the exhaust ...
3
votes
2answers
694 views

How to repair cracks in concrete overhang over entrance

I have a slab of concrete over the front entrance of my house with some serious cracks in it. I don't actually know what the proper name for it is, which makes this difficult to Google - so I've ...
16
votes
2answers
1k views

What is the safe/correct way to work on gutters? From a ladder or from the roof?

I am very comfortable working on the gutters (usually just cleaning them) from one story up by just sitting on the roof. I do this on my own home over the garage and at my parents one-story home. I ...
13
votes
2answers
18k views

What are the pros and cons of installing a roof heating cable?

Had some roof work done last year after mother nature abused my house by way of an errant tree branch. I had always suspected my roof had poor ventilation, most notably when I wound up with a 200 lb ...
3
votes
3answers
633 views

Small amounts of moss on asphalt shingles?

What's the best way to remove moss from asphalt shingles?
6
votes
2answers
3k views

How is installing roof sheathing horizontally stronger than vertically?

Prompted by a comment in this answer: What is better for a roof, plywood or OSB? Why is it stronger to install roof sheathing horizontally? Yes, it ties in more rafters, but in what manner is that ...
4
votes
1answer
9k views

Is it better to vent a bathroom fan out the soffit, the side of the house, or the roof?

Working on a friend's house, we're installing a bathroom fan. He had planned to vent the fan out the closest soffit, which is only a few feet away. I'm trying to persuade him to vent it out the roof ...
4
votes
7answers
6k views

Would putting a sprinkler on my roof help cool my home?

Anyone ever put a sprinkler on your roof to help out your A/C on unusually hot days? Just wondering if it helps.
13
votes
6answers
15k views

What is better for a roof, plywood or OSB?

While watching the builders next door do their thing, I became curious with their technique to install plywood on edges neighboring the next townhouse, and OSB for the rest (which for these narrow ...
7
votes
2answers
457 views

How do you locate roof leaks?

Sometimes the source of a roof leaks is difficult to find. The best approach that I've found for locating the leak is to have someone watch where the water is coming into the house (may be easiest ...
5
votes
1answer
4k views

Can a gambrel roof have outer instead of inner supports?

I have built some of the "arches" for a gambrel roof, I know support is needed so the roof doesn't collapse. Is it reasonable to run twin metal straps around the roofing diagonally on the outside for ...
5
votes
2answers
2k 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. ...
4
votes
2answers
3k views

How do you install zinc strips in a roof without creating leaks?

This article gives instructions for installing zinc strips at the ridgeline to inhibit moss. This picture shows nails through the zinc strip: It looks like they have nailed through the zinc in to ...
3
votes
3answers
175 views

Can you cap a chimney to reduce moisture and still use the chimney with a gas fire?

Or does capping a chimney always remove the ability to use a fire ?