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6
votes
2answers
1k views

What is the lifespan of plywood as roof decking?

We have a 30 year old roof in New England, which we have begun to interview roofers for this spring/summer. The topic of plywood has come up and 2 have said we definitely need to replace the ...
2
votes
4answers
55 views

Is there a way to improve the appearance of a covered front porch roof that uses corrugated plastic roof panels?

We are planning to retrofit a 5'x7' corner porch cover to fit under the eaves/gutter. We will be using corrugated plastic roof panels because they are light weight and we can made a 1/4"/12" pitch. ...
0
votes
1answer
15 views

Code requirement for depth of Counter Flashing and material sealant?

Okay, I've got a recently-installed standing-seam metal roof. The roofers ground out the brick in my chimney to install counter-flashing. Recently there was a big leak around the area of the chimney. ...
1
vote
2answers
37 views

Tiling over rolled roof

I have a walk deck made of rolled roofing material. When it rains it ponds in certain areas. Couple roofing companies looked at this, some suggested sealing the low areas with roof coating material ...
1
vote
2answers
39 views

Coping stone mismatch on corner of roof causing water damage to my wall

I moved into my house 18 months ago and the back of my flat roof extension has drainage issues. You can see from the picture that the coping stones don't fit correctly on the corner (red circle) ...
0
votes
2answers
633 views

What are the advantages and disadvantages of elastomeric coatings versus shingles?

I'm ready to reroof my house and want to consider an elastomeric coating rather than replacing the existing shingles. I'd use a local contractor either way
2
votes
1answer
49 views

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

I experienced a house fire in May 2015. The house is undergoing a full gut job. The roof has to be completely replaced. Unfortunately, I hired the wrong contractor and they have been taking their ...
1
vote
1answer
47 views

Adding sheathing under a concrete tile roof

I have a concrete tile roof that has just the skip sheathing. Its common to get squirrels nesting up there because there is nothing there to prevent them from coming in through the eaves. Is it ...
0
votes
1answer
39 views

Safely Driving Nails Into Roof

I am looking at a job where I will be driving nails into the apex of a roof to secure roof anchors. My concern is accidentally hitting an electrical line on the underside of the roof. Is this an ...
4
votes
2answers
42 views

How can/should I repair this roof damage caused by a fallen tree limb?

A recent rainstorm caused a heavy cypress tree branch to fall on my outdoor office/shed. Thankfully, the interior and underlying structure appears to have not sustained any damage however the asphalt ...
1
vote
1answer
42 views

lay out common rafters with combination square

I need to mark common rafters (plumb line and birdsmouth) to build a lean-to roof. I only have a combination square, a rusted try square and measuring tape. All explanations involve either a speed ...
0
votes
2answers
36 views

Replacing fascia board: what kind of contractor?

I was cleaning my gutters yesterday and I noted that the fascia board is coming apart. I don't have the time or skills to do it myself. What kind of contractor would be best to hire? The ones I can ...
5
votes
3answers
710 views

Are torch-on-roofs the best solution for a low pitched roof?

I have a low pitched metal roof and it is leaking. The roofer I spoke with says to stop the leaks they need to tear the metal off, put down plywood, and use a torch-on-roof system of roofing. He said ...
5
votes
4answers
6k views

Do I run screws through the “tops” or through the “bottoms” of the corrugated steel in roofing?

Suppose I want to cover a roof with corrugated steel sheets. Imagine a sheet laying on the roof. It will have "tops" - zones that are further from the roof surface and "bottoms" - zones that are ...
3
votes
1answer
130 views

Should there be waterproofing between the rim joist and ledger on new construction?

My new house is being built with a deck and I noticed that the framer has fastened the ledger directly to the rim joist without any sort of waterproofing between. The sheathing which is Zip system ...
1
vote
1answer
49 views

Should my roofer have vented my insulated roof?

Shortly after buying a mid-century split-level in the Pacific Northwest I had the old torch-down flat roof replaced with a PVC membrane. As half of the top level has a vaulted ceiling without much ...
0
votes
0answers
32 views

Can drip edge be affixed using adhesive?

I need to replace my drip edge on a low pitch modified bitumen roof. The edge is about 13' long and I had to rip the old one cause it was deformed and not working right. Under it is a sheet of what ...
2
votes
2answers
424 views

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

Hopefully the photo will illustrate the problem. I have a roof that only has a sort of moulding that transitions from roofing to the walls. Since there is only about 3/4" of vertical material to ...
4
votes
5answers
50k views

What are the pros and cons of Owens Corning shingles vs. GAF shingles?

I am looking to get a new roof for my house. I have taken quotes from about 4 contractors and 3 of them are suggesting I should use GAF shingles. 1 suggests that Owens Corning is a better shingle and ...
3
votes
1answer
357 views

Are alternative roofing types, such as rubber roll, usable for a typical residential sloped roof?

I'm wondering specifically, if rubber-roll roofing, such as this can be used on a sloped roof. Or maybe if there is something akin to the stretch-and-seal tape but in large sheets that would be ...
0
votes
1answer
109 views

How can I temporarily fix rotted soffit, fascia, and vented panels?

There are very large openings in my soffit/fascia/vented panels that allow water, bird and insects in. I don't have any woodworking skills, and I'm old and financially not able to repair it properly ...
0
votes
2answers
297 views

Roof Decking: Plywood/OSB over skip sheathing (decking) or should I strip to the rafters?

I have a shake roof (looks like the original from 1952!) with skip sheathing. Then an asphalt shingle re-roof over that (that makes 2 roofs in 60 years, thanks previous owners!). I have repairs and ...
1
vote
0answers
90 views

Retrofitting drip edges with a wooden spacer?

I'm preparing to install gutters, but I've noticed that rain just flows down my fascia boards. I anticipate having a problem with water going behind the gutters. I saw this Q&A, but the solution ...
4
votes
3answers
20k views

How can I prevent water from getting behind the gutter?

A friend of mine is having a water problem; the water is coming down behind the gutter. It turns out the drip edge isn't covering up the gutter completely on the one side for a considerable length of ...
0
votes
0answers
54 views

Roof joists size and spacing

I am in process of building a 12'x16 lean to shed for a customer using (9) concrete peirs. 4x6 runners--16' long 2x6 floor joists 2x4 wall construction The roof slopes from the front to the ...
0
votes
0answers
48 views

Completely waterproof top of deck/shed (would TigerPaw work?)

I have a deck at my front door. I have made it so that below the deck is a shed. I am having trouble water proofing the top of the deck. I have seen many things on the internet to have something under ...
1
vote
0answers
51 views

Tips for nailing aluminum fascia cover

I noticed the other day while replacing some shingles that the aluminum covering my fascia board was bent a bit. I think part of the problem was I sparingly used the soffit nails to attach it, and ...
3
votes
4answers
13k views

What is the method to seal a concrete roof?

We are staying in a home which has a concrete roof. Now we are facing leakage in the roof during rainy seasons. What do we have to do? How do we protect the roof from leaks?
2
votes
2answers
97k views

What is the minimum roof slope to accommodate rainwater drainage?

I have a patio with a 13ft(4m) by 26ft (8m) Roof, the slope runs vertically down the short (13ft) side.. and the height difference from the high point to the low point is only about 10in (25cm). ...
0
votes
2answers
360 views

How to lay of underlayment for a cedar shingle roof

I am planning on re-rroofing a tool shed with cedar shingles. I always thought it would be a simple job of laying the #15 underlayment (tar paper) over the sheathing (or 1 x 3s) in overlapping layers ...
1
vote
2answers
111 views

Is this a condensation problem or. A roof leak problem?

Noticed a water spot on my unused bathroom ceiling. Crawled into the attic And found this is right below the sewer vent. In my kitchen there is another similar stain right around another drain ...
0
votes
1answer
78 views

Should I fill in 15-20 nail holes in my roof underlayment? If so, how?

I goofed right off the bat when installing shingles for my garden office roof. I forgot to trim the rake of the first shingle in the starter strip. The net result is that it wasn't aligned properly. ...
1
vote
1answer
1k views

When should I consider using Plastic Round Cap Roofing Nails?

I'm getting ready to shingle a roof for a shed/outdoor office and I'm confused on if/when I should use plastic round cap roofing nails: I haven't seen these used in any instructions (including the ...
0
votes
1answer
72 views

Where new roof shingles meet old, how to fix poor seal?

So about 6 years ago we had all the shingles in our house replaced. Last year we added on a room to the house, and luckily they were able to find and use the same shingles on the addition. However, I ...
1
vote
1answer
71 views

Should this roof be fixed now (shingles)?

My wife and I just bought a house, and it looks like the previous owners did a partial repair job on the roof. Shingles on the front of the house look OK, but the back not so much. I see some granules ...
1
vote
1answer
181 views

Should roofing nails be visible in the attic?

I have a colonial built in 1913 and I live in NYS. My roof was just completed today and I have exposed nails across the entire roof! It was not like this before. When I asked the contractor about ...
4
votes
3answers
11k views

Is it normal to see nails coming through the roof decking after a new roof was installed?

Our home was built in 1954, and is a Florida ranch style home. We have about a two-foot overhanging soffit with trusses that show and with tongue and groove under whatever that’s called. Sorry, I ...
3
votes
1answer
130 views

Should a roof drip edge be placed above or below roofing felt?

I'm confused... I've seen two conflicting sources of information describing how a roof drip edge should be installed. One source (Ask This Old House), states that a drip edge should be placed above ...
4
votes
3answers
635 views

Ok to roof-over in the rain?

A buddy and I will be installing a second layer of composite shingles over the old ones already on my roof. Should we consider doing any of this in the rain?
1
vote
0answers
291 views

What kind of patio flooring is safe to use on top of a rubber-treated balcony?

I have a balcony that is treated with rubber, it looks similar to a rubber roof to me, as is shown in the picture below. I am wondering if the IKEA SKOGHALL decking can be used safely with it: it ...
0
votes
2answers
77 views

Will using portable heaters in the attic during heavy snow help melt it?

If I use garage-type heaters in the attic during the winter, will this help keep snow and ice off the roof?
1
vote
2answers
247 views

Low-slope roofing

I bought a house a year ago and the section above the mudroom started leaking, so I had to tarp it. I am looking to reroof / roof-over the entire thing later this year, and I've done some research and ...
2
votes
2answers
6k views

Ways to Safely Repair 45 Degree Pitched Roof without Jacks?

What methods can a person use to safely repair a roof that is slanted at a 45 degree (or greater) angle without using Roof Jacks? Is there anyway it is possible for a person to safely walk on such a ...
2
votes
2answers
140 views

Lift existing roof frame to replace top logs in log home

We have a log house with a 12/12 pitch roof. This summer we're planning to take off all the old asbestos tiles and leave the existing roundwood framing and put in new tiles of some kind, or metal ...
5
votes
1answer
261 views

What (animal?) made a 0.75" diameter hole through my asphalt shingles?

Something made a tidy 3/4" diameter hole through my 8-year old 3-tab composite roof shingles. (~45 deg pitch, if it matters) I suspect it was a woodpecker (they used to go at the side of the house, ...
0
votes
1answer
238 views

Low slope roof (2:12) - acceptable for metal roofing?

I'm designing a garage for my backyard and I want to obscure my view as little as possible. I've read that asphalt shingles aren't great on a 2:12 slope, so I'm just planning on using metal roofing. ...
7
votes
2answers
16k views

What size ceiling joists and rafters should I use for a 14' span?

I'm going to build a single story addition to my home with a width of 14ft. I plan on using ceiling joists every 16" but I'm not sure which size to get. The roof will be asphalt shingles and the attic ...
0
votes
2answers
88 views

Neighbour left ladder tied to roof [closed]

My neighbour did some roof work 4 months ago and has left a ladder section on the roof, it's tied at the top round chimney stack and the bottom of ladder is tied around guttering. We are exposed to ...
1
vote
1answer
62 views

Where to locate heat tape within gutter

Our recently purchased home has de-icing cable and we rely on it to prevent ice dams and water intrusion (had a couple of wet spots last winter). It was not a professional installation. I called to ...
1
vote
1answer
2k views

How do I tie a new roof in to an existing roof with a pitch transition?

I added a room to the side of my house, and the new roof goes onto the existing roof. I am almost done roofing it. The image below depicts the current status. I put roofing felt down under the two ...