Brian, How many roofs have you installed? Marcel is correct. I have noticed Inspectors can be literal. If you cut the shingle in half as it would be short. But if you don’t use starer roll or cut the tabs off the shingle you will have a dip at the top edge. This is most evident on a re-roof and neither have cut the starter. This will leak. Sorry if I sound testy one thing I will debate to the end is Weatherproofing the Building Envelope it is my passion and the way I created wealth since Before there were nail guns and Pitch was the best BUR product.
I just installed 3 tab in my house and have seen many shingle roofs. Never seen it installed like that. If possible, ask the installer for an explanation. There’s only one way to installed shingle roofs properly and this is not it.
No, they won’t if you read/followed the manufacturer’s instructions to hand seal the first row of tabs at the eave. I used to call that miss on virtually every new home inspection from starter homes to large multi $100,000 ones! Starting to see the self-sealing starter strips now.
In our very windy Atlantic coast area, the installed gutters are saving these first row unsealed tabs by directing the wind up and over the shingles!
Were I live Brian very few seal or caulk first tab.
I worked on lake-shore on Lac.St.Louis.
It makes perfect sense and your observation on Eaves Trough is interesting and I have never considered looking at that angle before.
I will start to take note.
Have not had much time for turbine discussion.
I will not forget
Robert, I reread my post and apologize for any offence. Non intended. After my car accident on days like this I need to stay away from conversation till I get this disc fixed.
Curtis, sorry to hear about your accident. Back problems are no fun. I hope you getter better soon.
Thanks for all the replies.
Thanks David this too shall pass. My wife has the same problem. The funny thing is I was rear-ended and pushed into her driving my truck. LOL.
I do not understand Mr.Vilt?
Everything is OK.
I do not think you are saying anything offensive towards me.
If I missed something , its OK God bless.
Robert, I need to go away now. LOL. I meant to say Brian
You point to a perfect conclusion.
Premature ware. Yes there is bending. I blew up the photo.
It will last its warranted time, ( in my eyes ) but a properly installed roof will surpass its expectations by 2 or even 3 fold.
I mentioned , you can only get 20 year shingles in Quebec.
Brian, as usual you know it all. How much roofing have you done in your life?
Cutting the shingle and utilizing the seal tabs to hold down the first course is pure logic. No different than the rest of the roof.
High Wind Areas
*Do not use staples*
Storm Nailing is not required by CertainTeed; however, the installer can use six nails to secure each shingle. In addition, the installer can seal each shingle with four spots of asphalt roofing cement ASTM D4586 Type II the size of a quarter, equally spaced, but it is not required by CertainTeed.
***Caution **Excessive use of roofing cement can cause shingles to blister.
Starter Course: Standard Application
Use CertainTeed Swifstart-or universal starter or a starter course consisting of the shingles from which the lower 5" tabs have been removed. Remember, the sealant on the starter courses should lie as close as possible to the eaves edge of the roof.
One step further than reading the package may help you in the future.
Hope you are happy at the ship yards Marcel.
Just saying a quick hello.
Take care.
Thanks Robert, only starting on Monday. Been busy as hell trying to finish odd jobs.
Woking all weekend two weeks in a row and tired. 
[quote=“cvilt, post:21, topic:54467”]
Brian, How many roofs have you installed? quote]
started in 1990 do about 25 a year so you can do the math
as of last week I was on roof insp #11,235:mrgreen:
Started in 1976. so there. LOL But Marcel is correct. We all see different things. The newer shingles since 1990. LOL . Fiberglass shingles are not near as thick as the old #240 cardboard mat so it may not be as prevalent. All we can do is call it as we see it and pray we are right.
Curtis, if you go back to 76, then you can relate to the old Organic Mat shingle that weighed in at 240+/-
I go back to the 60’s and the last thing on one’s mind back then was seal tabs, cause there were none, starter strip was upside down full shingle and go.
Did a strip roof a few weeks ago and it was 36 years old with no problems.
Compare the old with the new and you can make a very fair deduction as to why all the additional do’s and don’ts. Read between th lines I can say for everyone else, and for those that have done roofs all their lives, your way is the right way until you cross the fence and see what happens.
As a young lad in the Carpenters Union in Florida in 1970, I found out, and was told, that when in Rome, you do as the Romans do, regardless of what the book says. :mrgreen:
Marcel you probably had to forge you own nails back then. I heard Pterodactyls were a problem back then too. They would just pick you off the roof. LOL. Those shingle were heavy. When those thin fiberglass shingles came out you could break a bundle in half in the winter breaking them loose.No laddervators then.When I started I remember doing tear-offs and the nails were checker-head. $10 a square and we had to pick them up at the yard and carry em up the ladder. Just fun memories. Thanks
Marcel I need to read you course. If there are 88 shingles in a bundle how do they divide that into 3. Retorical question
Last time I counted there was 22 sheets of 3 tab shingles in a bundle. IKO
So where do you get the 88?:eek:
I was simply responding to your second post in its completeness below. You were not speaking of the second method at that time so I was simply adding that many roofers did not read the instructions of old and seal the first row of tabs…
Marcel said:
*“And when you turn it around instead of cutting it in half, you do not get the seal tabs to hold down the first course of the three tab and they blow off the roof on the first wind.” *
BTW…I discovered this little tidbit about 3-tab shingle installation a couple years ago by reading the instructions:
Some shingle manufacturers will not allow you to install the first shingle/starter strip by reversing the whole shingle any longer…only two “first row” methods in their instructions…use their self-sealing starter strip or cut the shingles as previously mentioned…no reversing shingles and then hand sealing tabs as it used to be!!
See: Asphalt roofing shingles, acoustic and insulation panels | BP Canada
This is a an EXXON subsidsiary. IKO and Certainteed are similar.
Interesting…Still not requiring underlayment under all 3 tab shingle installations!! “Recommended” or “suggested” are used in the literature.
I hope the yard keeps your mind active.
Remember the paycheck will not be the same as being independently employed.
Before you know it that will all change and life will be back to its old routine, and you have made new friends along the way.
If my memory suites me right, you will be working a carpentry division of the plant.
You will have enlightening decisions there, hopefully, and remember to come to the board to straighten out the pompous ones, HA HA HA HA…
Good luck and tell us what you think of it.