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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10
votes
3answers
7k views

How do I handle significant snow and ice dams on a 4/12 gable roof with ridge vents?

It is our first winter in a new-to-us house, that has a pretty flat roof (3/12-to-4/12 pitch), and a ridge vent along the entire top of the roof. We just had the snowiest December on record ...
15
votes
2answers
73k 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 ...
7
votes
2answers
287 views

How to fit vents in a roof

The home we have just brought has no vents in its tiled roof; therefore it is getting a lot of condensation in the loft. So how do I fit vents? Do the vent you fix from the inside (rather than ...
1
vote
1answer
188 views

Would this solution work with my dehumidifier?

I have a shed built with concrete blocks and a metal roof, terrible condensation in it and every time I go in, I see water on the walls and floor as well as drips on the metal roof. The shed is not ...
2
votes
2answers
2k views

Why am I getting a lot of condensation in new shed?

I just got a new shed built with concrete blocks and a metal roof last month and thing is dripping with condensation from the roof. There is absolutely no insulation in the shed. How would I get rid ...
3
votes
3answers
188 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 ?
14
votes
7answers
22k views

What are the pros and cons of steel vs. aluminum metal roofing?

I'm considering a new roof for my suburban home. The home is about fourteen years old and the shingles are in so-so shape. We have had two leaks already and I've been told that means it is a good ...
3
votes
3answers
734 views

Small amounts of moss on asphalt shingles?

What's the best way to remove moss from asphalt shingles?
8
votes
2answers
517 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 ...
3
votes
3answers
343 views

Roof stone tiles. How to fasten them?

I am watching a TV program where they are restoring a ruin into a cottage. One thing that left me aghast is the fact that the roof was made with flat, very heavy stone tiles. Ater they rebuild the ...
1
vote
2answers
662 views

How can I best seal this gutter to the flat rubber roof of my garage?

I have a standalone garage built into the side of the hill. On top is a rubber roof that appears to be in decent shape. However, there is a gutter around the edges that is not sealed to the roof. ...
2
votes
1answer
2k views

Moisture/Dew on Roof in Morning

I just had a new roof installed and it looks decent enough. They replaced my metal ventilation with some plastic vents, which is fine, but I'm not sure if it was enough. I had a two layers of asphalt ...
1
vote
1answer
212 views

Conservatory Roof

Our conservatory roof is made from Everlite. The problem we have is that where the roof runs into the drain is constantly filling up with soil, stones and moss. I have no idea where it's all coming ...
3
votes
1answer
442 views

Roof Showing Some Dipping

I recently walked my roof. There are some low spots, like little depressions. What causes this and should I be concerned? It seems that the plywood underneath is good but it seems like the ...
4
votes
4answers
9k views

What's a good way to seal a flat concrete roof?

My guess is that a long time ago there was a fire in part of our house and what was the top storey was capped and the floor replaced with thick slabs of concrete. This was then sealed over with ...
4
votes
9answers
11k 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.
4
votes
2answers
1k views

What are some good downspout options for a brick house?

I need to replace the gutters and downspouts on my house, and I'd like to know the best approach. The house is 100 year-old clay brick house. The old gutters were aluminum and used downspouts that ...
9
votes
1answer
598 views

Is it a good idea to lay a second course of shingles over an existing shingled roof?

My shingles were a little worse for wear and I had a "friend-of-a-friend-who-used-to-be-a-roofer" come take a look at it and he said I could save some money on the demolition by just laying another ...
3
votes
3answers
12k views

How do I lay asphalt shingles on a roof, and what should be under them?

How do I lay asphalt shingles on a roof, and what should be under them? Are they self-adhesive? Can I stick them directly onto plywood?
6
votes
6answers
2k views

Should I replace fallen gutters?

This past winter a heavy snow fall ripped two sets of gutters off our house, and I haven't had a chance to re-hang them yet. One is over our back door and it's really annoying having the running off ...
5
votes
1answer
373 views

How can I repair a Palruf roof?

I've installed a couple of transparent Palruf PVC sheets for a treehouse roof. I've gotten some small (several inch) holes in it that I'd like to patch up. I have some small pieces of Palruf left over ...