Questions tagged [shingles]

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Can I use asphalt shingles as a base for a concrete slab?

I am making a porch with 5 inch concrete slab on top. I also have at least 800 sqft of asphalt shingles removed. Can i use these shingles and stone and dirt to fill 180 cubic ft and then pour concrete ...
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1 vote
1 answer
66 views

Normal variation or poor quality / craftsmanship on shingled roof

I hired a company with decent Google reviews to put a new roof on my house. When the job was done I climbed up and looked at it. Some things didn't look perfect, but I don't know what's considered ...
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  • 143
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1 answer
95 views

Should this shingle have another shingle covering it?

New ridge vent was just installed and I noticed 2 shingles across my ridge that have these tiny square patches on them. I'm not entirely sure what they are, I'm guessing it is covering a nail or screw....
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  • 147
9 votes
1 answer
1k views

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

Is it normal for asphalt shingles to hang past the drip edge a couple of inches on the rakes of the roof?
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  • 101
1 vote
0 answers
54 views

Is it proper to have shingles at the bottom of the valley where the fascia is be 3 inches above the roof deck?

The shingles at the bottom of the valley are not laying on the roof deck, they are bridging across leaving a large gap between the shingles and roof. Is this normal?
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  • 101
0 votes
1 answer
94 views

Roof Leak without any Visible Shingle Damage or Issue

We recently discovered a leak manifesting itself with stains in our ceiling. It likely happened a few days ago when we had about 2-3" of rain overnight. We have never had a leak before, and the ...
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  • 257
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0 answers
29 views

Techniques for repairing asbestos siding with GAF Weatherside fiber cement?

My older (1930s) home is covered with asbestos siding over tar paper sheathing. Some of the siding is cracked/missing and some of the tar paper beneath it is torn. At present I can't re-side the ...
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  • 177
1 vote
1 answer
60 views

How to fix room if i can see light coming through from attic

We had strong winds in Boston and I just happened to go in the attic and I saw that there's direct light coming through 2 spots right in the middle of the roof. Looks like the wind blew off the ...
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  • 175
0 votes
0 answers
57 views

Advice installing a vent on roof

Installed a new bathroom fan today and realized the ducting is way undersized. 9'x15' room and a very tiny fan with 3" ducting. I replaced it with a 110CFM Panasonic fan. So I can't use the ...
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  • 189
7 votes
1 answer
1k views

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

We have a storm coming in today so I spent the day yesterday cleaning my gutters which were chocked full of debris. They also a significant amount of roof material in my gutters (my understanding is I ...
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1 vote
1 answer
104 views

How to install k-style gutter guards

I have 5" k-style gutters and am attempting to install guards on them myself. I picked up samples of 2 different styles at my local big box store; both of these are advertised as fitting 4", ...
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0 answers
51 views

Brick support angle iron too tight to shingles to replace shingles

We have a front garage with bedroom over half of the garage, with brick facing. The brick support angle is right on top of the shingles and does not allow shingle replacement. Can the old shingles be ...
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0 votes
1 answer
61 views

Osb over shingles

I want to reroof my garage, but I think my old shingles are asbestos shingles. I don’t want to remove them. The decking underneath is in fine shape. So my question is (because the shingles have a flat,...
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0 votes
1 answer
113 views

After all this handwringing, do i need a new roof really? [closed]

I finally nailed everything down with a contractor, shingle line, and approach and just yesterday I got the feedback that I may not need a new roof...yet. So, I'm asking the hivemind. I started this ...
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1 vote
2 answers
118 views

Should I clean moss and algae from my 9 year old asphalt shingle roof?

Does cleaning algae and moss off an asphalt shingle roof prolong its life? I have this on parts that are always in shadow. It's an asphalt shingle roof 9 years old rated 40 years. Generally in good ...
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1 vote
1 answer
209 views

Top course of cedar shingle on a lean-to roof

If the apex of the lean-to roof extends beyond the tall wall 6 to 12 inches, what does the topmost course of cedar shingles look like, up at the highest point on the roof? Is there flashing that ...
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  • 788
1 vote
3 answers
151 views

Could shingles that are not flat be caused by stapling the sheathing rather than nailing?

We recently asked someone to add a covered porch to a new construction. He reported back that the existing roof (which was built by a different contractor about 6 months ago) has some issues. He said ...
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0 votes
0 answers
49 views

Install new Shingles with Copper flashing

I had a roofing company install new roof with new shingles and copper flashing (pictures attached). Can the experts please provide suggestions if the copper flashing looks fine or does something needs ...
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  • 91
0 votes
1 answer
249 views

How to properly repair water/bug damaged soffit and roof deck?

I removed some rotted soffit from one side of my garage this afternoon. I also ended up removing the fascia board (what the gutter mounts to) and the 2x4 that was behind the fascia because they were ...
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  • 339
1 vote
1 answer
402 views

Should my dormer flashing look like this?

I was up on my roof investigating how bats are getting in, when I observed the following: There are no leaks... yet. Due to presence of yellowjackets, I didn't take a long look, but it appears that ...
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  • 848
-1 votes
1 answer
57 views

Spots on underside/interior of old wood shingles?

https://i.imgur.com/OKqmVr4.jpg Garage has an uncovered interior ceiling which is just old cedar shakes ( there is asphalt shingles over it - about 15 years old). I’ve been noticing a heavy tar/...
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2 votes
3 answers
123 views

Should I replace a single powered roof vent with ridge vent according to my roofer's advice?

I am new to home improvement, and I'd like to ask your advice. I am the owner of a house in Maryland. Within a few weeks, we will install a new roof.  Currently, my roof doesn't have a ridge vent, and ...
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  • 83
0 votes
1 answer
277 views

Metal roof over mold, lichens, moss

I want to install a metal roof over my single layer shingle one on my unheated garage. It has mold and MOSS and lichens. Can I put a metal roof over mold and moss and lichens?
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-1 votes
1 answer
127 views

Removing rotten cedar siding shingles

I'm removing some rotten cedar shingles from the side of our house and they are nailed on so tight one over the other that I can't get my Dasco Pro shingle ripper behind the shingle to hook the nails ...
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0 votes
1 answer
158 views

Why is roof underlayment nailed in?

Roofing underlayment ("felt") is immediately covered with shingles which are nailed in. So what isn't it redundant to nail in the felt as well? If the only purpose is to keep it from sliding off ...
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1 vote
1 answer
77 views

Does age of asphalt shingles affect their resistance to hail damage?

25 year old house;we have had two roof replacements because of hail damage. The insurance paid for both replacements so apparently they were really damaged. The present roof was put on in 2013. We had ...
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  • 7,716
3 votes
6 answers
2k views

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

I have architectural shingles. I noticed on a few of them that the some of the lower portions of the top layer of the shingle are loose, as shown. What is this condition called? If I search for ...
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1 vote
2 answers
93 views

Are cap staples eventually visible under asphalt roof shingles?

I am going to replace the roof on my barn using synthetic underlayment and asphalt shingles. I plan to use 1" cap staples on the underlayment as the manufacturer suggests. My question is: Once the ...
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  • 169
0 votes
2 answers
1k views

How can I prevent rain from dripping off the roof rake edge?

Recently I have noticed that about 1-2’ from where the roof would drain into the gutter, water is dripping over the edge of the house on the side. What would cause that to happen? Nowhere else around ...
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1 vote
1 answer
51 views

How to know when an asphalt shingle roof needs to be replaced?

Is there a way to inspect a roof to know whether the asphalt shingles need to be replaced?
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  • 897
1 vote
2 answers
174 views

What prevents water from getting underneath these roof shingles?

I see a lot of houses In my area with roof edges where one side of shingles overlaps the other. For example: Is anything special needed to prevent water from getting underneath the overlap?
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  • 794
1 vote
1 answer
574 views

Why are hanging icicles on my home yellow?

The icicles hanging on the front of my house are yellow on the tips. I also noticed a yellow line in the snow beneath the icicles. We moved into this home recently and I know they had the roof ...
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  • 11
1 vote
1 answer
47 views

Slate roof removal for a shingle roof

I am getting a new shingle roof to replace a slate roof. Would a new shingle roof need a different underlayment that the slate roof does not have?
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  • 11
1 vote
1 answer
65 views

Issues with roofing in cold weather?

I've got a crew of workers at my house putting on a new roof, in 25 degree weather. The contractor said it wouldn't be a problem, although part of me wonders if he just didn't want his crew sitting ...
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0 votes
2 answers
294 views

Are these shingles properly installed?

I just had the shingles on my roof replaced with BP Everest 42 shingles. The old shingles were removed, new flashing, waterproof underlaying, etc was installed. My concern is really in the final ...
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  • 28.3k
2 votes
2 answers
216 views

Roofing shingle replacement: Hand nailing vs nail-gun [closed]

I live in the North East. Architectural asphalt shingles (whatever those are) need replacement or might last 4 more years depending on who I talk to. One roofer tells me hand nailing is what he does....
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  • 1,454
0 votes
1 answer
851 views

How should I seal exposed nails on the roof of an addition?

We recently added a gable portico / overhang at our front door as part of a renovation. We used the same architectural shingles as the rest of the roof to make it seamless. However when the guys did ...
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  • 257
1 vote
1 answer
264 views

Concerns with Buckles in New Build Roof

My friend is having a house built. Slab is poured, it's framed in, has the electrical, ductwork and roof. We went out to look and saw the roof had "buckles" or waves in it. There was another house ...
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  • 11
1 vote
1 answer
927 views

How do I protect my new roof while working on siding?

I recently had new shingles installed on my home. Now I find that I need to remove a section of vinyl siding and replace a large window on front dormer. I am concerned about damage being done to the ...
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  • 4,122
3 votes
1 answer
667 views

How do i properly use conduit across roof shingles?

I am grounding an antenna and I have two 10 gauge copper wires from the antenna and coax ground block to the ground rod and I am going to put the wires in some 3/8" flexible conduit. Is there a proper ...
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2 votes
1 answer
771 views

Did I install this roof vent correctly?

I’m installing a roof vent to exhaust a new kitchen cooktop. I put a 6” hole in my roof and fit this painted metal vent between the asphalt shingles. I have sealed around the roof penetration l, under ...
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  • 1,514
1 vote
3 answers
1k views

Multiple layers of roofing shingles?

I am replacing some flashing on a roof and therefore need to take up some shingles. Unfortunately, there appears to be four layers of shingles, so I will have remove quite a mass of shingling. Is ...
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  • 6,651
0 votes
1 answer
11k views

How to make GAF Ridge Cap Shingles?

I have Timberline shingles but not the ridge cap ones How do I "make" the ridge cap shingles? https://www.gaf.com/roofing/residential/products/ridge_cap_shingles Since I don't have the 3-tab ...
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  • 1,742
1 vote
0 answers
68 views

How to determine source of this roof leak?

As Irma pounds our house I was in the attic and noticed we have a roof leak but I can't figure exactly where it is coming from. The obvious place is where that exhaust vent is penetrating, but it is ...
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-1 votes
1 answer
52 views

roofing shingles and underlayment [closed]

Can we revisit GAF Timberline vs OC Duration Trudefinition shingles? I've seen that in years past, both companies have had problems with their products. Is this still true? Is one now better than ...
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0 votes
2 answers
582 views

Best Practices for Metal Roof Directly on Existing Shingled Roof?

I'm preparing to re-roof my home. The current roof is shingled and I have recently repaired a few leaking spots. I've taken a look at a few options and I have a few concerns regarding code and ...
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3 votes
2 answers
7k views

Why are the shingles blowing off my year-old home?

My house is new construction and approaching its one year warranty anniversary mid April. The house has its back to a cornfield where it gets pretty windy.. i think the highest this year way 65mph.. ...
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  • 1,015
1 vote
1 answer
303 views

asphalt shingles ridge nail placement

Where are the nails suppose to go on the asphalt shingles on the ridge of the roof? Below/On/Above the tar line? What have you personally see people do? So I take my 3 tab asphalt shingle and cut ...
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  • 121
1 vote
1 answer
2k views

Any alternative to tar paper for roof damage from hurricane?

As a result of Hurricane Matthew, a roughly 12'x4' area on my roof had the shingles blown off. I found the matching shingles today and bought (2) bundles which should be plenty to cover the area. In ...
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  • 309
1 vote
1 answer
3k views

Is it possible to reuse shingles/replace only part of the shingles?

My back porch roof is collapsing. You can see in this photo how the left side is bowed down tremendously: Obviously, I want to fix the roof and make it actually sturdy. I lifted the shingles there in ...
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