» What technique for trimming off the excess shingles?

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richard123vmt




Joined: 02 Nov 2009
Posts: 1
PostPosted: Mon Nov 02, 2009 1:16 am    Post subject: Reply with quote
roofboss wrote:
try a sawzall!!!!!
This suggestion seems to have been treated as a joke. I tried it witha nmwetal cutting blade and it works fine. Of course I am not a roofer--but hard to inagine anything that would produce a better result. Of course, you should still use a chalk line or other guide to get that even 1/4 inch or whtever figure you are using. I didn't but still got a fairly straight result.
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RoofWizards




Joined: 16 Nov 2001
Posts: 269
PostPosted: Mon Nov 02, 2009 1:34 am    Post subject: Reply with quote
In cold weather you can warm the shingles with a hand held torch. Just be careful Of what your doing. This worked for me and they cut like butter and look nice. Just not to hot.

I also have lined up the top edge of a left over shingle with the edge giving me a straight edge to follow. Works good in valleys too.With a new hook blade.
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kage




Joined: 10 Aug 2008
Posts: 956
Location: BC
PostPosted: Mon Nov 02, 2009 3:46 am    Post subject: Reply with quote
We run starters up rakes and follow that,cut before nailin..
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Downunder Roofing




Joined: 24 Jul 2009
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PostPosted: Thu Nov 05, 2009 8:07 am    Post subject: Reply with quote
chalk line then tin snips, no one can use hook blade knife and get it as straight....they lying Mr. Green
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kage




Joined: 10 Aug 2008
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PostPosted: Thu Nov 05, 2009 1:51 pm    Post subject: Reply with quote
Thats why we run starters up,from the ground always looks straight..
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2ndGen




Joined: 02 Jul 2007
Posts: 222
PostPosted: Thu Nov 05, 2009 7:01 pm    Post subject: Reply with quote
Hook blade and shingle to use as guide (chalkline sometimes run too close to bowed out fascia and leave uneven line).

Or, there are drill powered shears designed specifically for cutting shingles plus a shingle saw powered by your pnuematic hose (if it's still in production).









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RanchHandRoofing




Joined: 26 Jan 2007
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Location: Austin, Texas
PostPosted: Thu Nov 05, 2009 8:07 pm    Post subject: Reply with quote
2ndGen wrote:


That looks interesting... what's the name of this item & do you have any idea what the MSRP is?
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2ndGen




Joined: 02 Jul 2007
Posts: 222
PostPosted: Fri Nov 06, 2009 1:51 am    Post subject: Reply with quote
RanchHandRoofing wrote:
2ndGen wrote:


That looks interesting... what's the name of this item & do you have any idea what the MSRP is?


Shingle Saw Pro II
Roof Mate Shingle Saw (cuts slate, tile & wood too).

It's in the $400. range, but you can get it for less if you get it through CertainTeed if you're certified in one of their programs (such as Master Shingle Applicator).

http://www.roofmates.com/rst.html

http://www.toolsofthetrade.net/industry-news.asp?sectionID=0&articleID=501316




Here's another one...

http://www.toolsofthetrade.net/industry-news.asp?articleID=510852&sectionID=1500

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-Axiom-




Joined: 28 Jul 2007
Posts: 1568
Location: N. Michigan
PostPosted: Fri Nov 06, 2009 1:56 am    Post subject: Reply with quote
Downunder Roofing wrote:
chalk line then tin snips, no one can use hook blade knife and get it as straight....they lying Mr. Green


I took these picture just for you today, using the exact same method 2ndGen describes. Mr. Green











It looks pretty straight to me.
The pieces you cut off you use to fill in the edge.
We do it this way everyday and consistently come in at around 5% waste, even for hip roofs.
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2ndGen




Joined: 02 Jul 2007
Posts: 222
PostPosted: Fri Nov 06, 2009 2:00 am    Post subject: Reply with quote
Video of Air Knife...

http://www.roofmates.com/airknife/air_knife_video_020505.mpg
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2ndGen




Joined: 02 Jul 2007
Posts: 222
PostPosted: Fri Nov 06, 2009 2:13 am    Post subject: Reply with quote
-Axiom- wrote:
Downunder Roofing wrote:
chalk line then tin snips, no one can use hook blade knife and get it as straight....they lying Mr. Green


I took these picture just for you today, using the exact same method 2ndGen describes. Mr. Green

It looks pretty straight to me.
The pieces you cut off you use to fill in the edge.
We do it this way everyday and consistently come in at around 5% waste, even for hip roofs.


Now Dat's What I'm Talkin' Bout!

Hey Axiom, you should try it with a Stanley Titan knife. Once you use it, you'll never go back to a straight knife. The curved handle let's you pull harder and gives you far more leverage than a straight handle...



Trust me, you will LOVE that knife!

2G
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2ndGen




Joined: 02 Jul 2007
Posts: 222
PostPosted: Fri Nov 06, 2009 2:37 am    Post subject: Reply with quote
Video link for Turbo Shears...

http://www.youtube.com/watch?v=Ys6wiM17C1o
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Downunder Roofing




Joined: 24 Jul 2009
Posts: 154
PostPosted: Sat Nov 07, 2009 2:35 am    Post subject: Reply with quote
sorry, 99 % of my work is new construction. i do plywood and shingles. All barge boards are as straight as a pin, if they arent i get builders to fix em. cold weather down theses parts. Thanks for photos, there is know way i could get gables as straight if i was to cut em like that. good on you Mr. Green
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Downunder Roofing




Joined: 24 Jul 2009
Posts: 154
PostPosted: Sat Nov 07, 2009 2:37 am    Post subject: Reply with quote
a 20 foot chalk line
a 4 foot line x 5

You choose. Question think about it :mrgr
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-Axiom-




Joined: 28 Jul 2007
Posts: 1568
Location: N. Michigan
PostPosted: Sat Nov 07, 2009 2:48 am    Post subject: Reply with quote
2ndGen wrote:
-Axiom- wrote:
Downunder Roofing wrote:
chalk line then tin snips, no one can use hook blade knife and get it as straight....they lying Mr. Green


I took these picture just for you today, using the exact same method 2ndGen describes. Mr. Green

It looks pretty straight to me.
The pieces you cut off you use to fill in the edge.
We do it this way everyday and consistently come in at around 5% waste, even for hip roofs.


Now Dat's What I'm Talkin' Bout!

Hey Axiom, you should try it with a Stanley Titan knife. Once you use it, you'll never go back to a straight knife. The curved handle let's you pull harder and gives you far more leverage than a straight handle...



Trust me, you will LOVE that knife!

2G


I have a few of those knives, I don't use them daily.
You are correct, they do give you more leverage, I use them when I am tearing off and cutting stuff.

When we first got them we all loved them, but after a while we went back to the standard Stanley no. 99.
We were cutting into the valleys too much with that knife, it has too much leverage for our style of cutting valleys.
They are harder to control, for me at least.

I had to modify it slightly to get the hook blades to fit into it.
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