Hot answers tagged

30 votes
Accepted

Should I extend a drain vent that terminates in my attic?

Bad. Not only are you introducing stink and moisture to your attic, but toxic and potentially explosive gases as well. Decomposing waste materials in public and private sewer and septic systems ...
isherwood's user avatar
  • 129k
18 votes

How to properly plug nail holes in roof shingling?

On a cool day, or in the early morning before the sun is on the roof... Use a putty knife or painter's bar to gently separate the layers of shingles. They should pop apart without tearing chunks out ...
isherwood's user avatar
  • 129k
17 votes

Are tin roofs "permanent"?

I guess you mean a galvanized or otherwise coated steel. Life depends on weather, specifically rain. In a desert it will last forever. If the current coating is repaired at any damage spots, it will ...
blacksmith37's user avatar
  • 8,271
17 votes

How can I monitor my roof to detect roof leaks before they cause damage?

I go up into my attic about once a month (or after we get a heavy storm) with a good flashlight and give everything a visual inspection. Specifically, I make sure I'm very accustomed to the way that ...
bta's user avatar
  • 1,817
16 votes

How far should shingles hang over the drip edge of the roof?

It may depend on the specific brand and version of the shingles used. Here is an advisory from GAF a major manufacturer: GAF Shingle Advisory In it they say: Shingles should not extend more than 3/4”...
jwh20's user avatar
  • 23.1k
15 votes

Should I extend a drain vent that terminates in my attic?

You should fix this (see isherwood's answer), but you don't necessarily need to extend it back out of the roof again, assuming that you have at least one vent to the outside somewhere else in the ...
AndyT's user avatar
  • 1,878
14 votes

Should plywood be missing on my roof?

As a R.R.C. and roofer for over 25 years, this doesn't surprise me. Anyone with a pickup truck and a ladder calls himself a roofer. This is wrong, if they eliminated vents they should have replaced ...
Mike Thompson's user avatar
12 votes
Accepted

What is the lifespan of plywood as roof decking?

I would give your business to one of the "is good and stays dry" roofers who are not blatantly trying to fleece you. Now, the other two may be working from the assumption that if you bothered to call ...
Ecnerwal's user avatar
  • 200k
12 votes

How can I locate and repair a leak on a flat roof?

Clearly this has been a problem for a while and also the standing water and patch job on the flat section of the roof is to blame. There is no real shortcut here, as you can see, so the solution is to ...
jwh20's user avatar
  • 23.1k
10 votes

Are tin roofs "permanent"?

A galvanized roof that leaks may have leaky nails Tin roofs are typically held down by nails, and over the years the nails loosen and leak. The new approach is to use nails or screws with an ...
Harper - Reinstate Monica's user avatar
10 votes
Accepted

Best way to join two timber rafters at the apex?

You can use plywood gussets attached with glue and nails or screws to join the rafter peaks. You can also use plain wood, but plywood is a bit tougher if it's not too hard to get. I would suggest ...
Ecnerwal's user avatar
  • 200k
9 votes

Should plywood be missing on my roof?

It is not acceptable that the roofing materials were replaced over the plywood cutouts (which actually look more like breakouts). One can surmise that the stripping crew came one day and removed all ...
Michael Karas's user avatar
  • 64.1k
9 votes

Is fiberglass showing on roof shingles an indicator of immediate repair needed?

That's mostly cosmetic, especially since it's almost entirely on the top layer of a two-layer laminated shingle. It is unlikely to result in leaks. That said, they're probably going to continue to ...
isherwood's user avatar
  • 129k
8 votes

Should plywood be missing on my roof?

WHAT, he eliminated your air vents? Wow, your update is so revealing: 1) sheetmetal is not an acceptable cover over large openings, 2) if sheetmetal was used, it was not nailed to the existing plywood,...
Lee Sam's user avatar
  • 23.1k
8 votes
Accepted

Can gutters be installed on top of shingles?

Sometimes the stars align and answers are provided. After i posted my comment this morning I was watching a previous episode of This old house in which they are restoring a New England Victorian ...
Alaska Man's user avatar
  • 13.5k
8 votes

How do I know if a roofing company is using subcontractors?

First, if you have a contract with someone, and a question/suspicion arises about the work specified in that contract, you should just ask the person you are contracting with, rather than go online ...
TylerH's user avatar
  • 1,010
8 votes

How can I monitor my roof to detect roof leaks before they cause damage?

Roof leaks are caused by many different things. For example: Shingles or tiles: Cracked, broken, missing, worn Flashing: Loose, broken, missing, poorly installed, worn Gutters: misaligned, clogged ...
jay613's user avatar
  • 34.2k
7 votes

Best way to install gutters on roof with no vertical facia or eaves

This would be a situation where you'll have to use gutter straps (usually in T or K style): Image credit to acehardware.com They install on the roof decking - make sure to follow the manufacturer's ...
Comintern's user avatar
  • 6,905
6 votes

Should roofing nails be visible in the attic?

Most sheathing now is 1/2 to 3/4 at most and a shingle is only about an 1/8 so with that being said the distance with synthetic is about an inch. If you're using a nail gun, which most roofers do, ...
Nick's user avatar
  • 61
6 votes

What is the lifespan of plywood as roof decking?

It's a mistake for the roofers to say that the plywood will definitely have to be replaced. However, they may be familiar with homes in your area, that were built around the same time. So they may ...
Tester101's user avatar
  • 131k
6 votes

Should plywood be missing on my roof?

To properly answer this question requires proper interpretation of: Published Building Codes (depending on what part of Canada the residence is in. Canadian Building Codes applicable to the specific ...
Bill Hubbell's user avatar
6 votes

How can I monitor my roof to detect roof leaks before they cause damage?

A visual inspection once a year or after a severe storm. A great pair of binoculars could save you trips to up on the roof. Look for any shingles that have lifted or are torn. Also look for nails that ...
JACK's user avatar
  • 78.6k
6 votes
Accepted

Can I anchor a safety harness with a ladder or the side of the house?

CERTAINLY NOT A LADDER. My biggest ladder weighs 50 lb. I weigh considerably more than that. If I tied myself to my biggest ladder and fell, I'd keep falling and the ladder would get yanked onto the ...
Ecnerwal's user avatar
  • 200k
6 votes
Accepted

How to restore copper hip roof

Just wait a while longer and you'll get lovely verdigris green. The copper oxides actually help protect the roof. But depending on yout local atmosphereic conditions getting from brown/black to green ...
Ecnerwal's user avatar
  • 200k
5 votes
Accepted

Roof trusses left out in rain, are they still good?

I believe this article should give you some answers: http://www.sbcmag.info/article/2012/truss-storage In short, it all depends on how the trusses look after the time. The article says that they may ...
TFK's user avatar
  • 3,714
5 votes
Accepted

What do you think this roof construction is?

There are several ways to do this but given that the building is small, not in the Far East, and obviously not an expensive architecture demonstration, the builder probably simulated carved rafters by ...
A. I. Breveleri's user avatar
5 votes

What is this architectural shingle condition called? Is it reparable?

It’s called “self sealing” shingles (or lack thereof). Shingles are made to self seal to each other by having the sun heat them up (including the asphalt strip on the underside) and the weight of ...
Lee Sam's user avatar
  • 23.1k
5 votes

Is a cracked roof title considered cosmetic

Tile roofs can last anywhere from 35 to 50 years, depending on the roofing material installed under the tile. Cracked tile often happen from people walking on them during pressure cleaning or gutter ...
JACK's user avatar
  • 78.6k
5 votes

Ridge Beam Crack?

If the crack is in a part of the roof that has rafters on either side, it will not matter as long as the rafters on the other side are directly opposite of the ones in the picture. Since the picture ...
Jack's user avatar
  • 34.2k
5 votes

How can I locate and repair a leak on a flat roof?

Your problem is going to be finding where the leak is coming from. I have found leaks that came in more than 10’ from the entry point. The water can travel under the rolled roofing and drip down at a ...
Ed Beal's user avatar
  • 102k

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