Hardy Plank/SF - How Do I Figure?

 
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Old 10-22-2007, 02:41 PM   #1
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Hardy Plank/SF - How Do I Figure?


Anyone got a formula for # of planks needed per 100/sf?

Either the 8.25" or the 7.25" - I'm easy

I've got around 1600-1700 sf of T111 to pull down and replace w/ hardy plank.

My brain is fried - just staring at the calculator.

Anyone?
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Old 10-22-2007, 03:50 PM   #2
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Re: Hardy Plank/SF - How Do I Figure?


using 12' boards,

4" 26pc/sq
5" 21pc/sq
6" 17pc/sq
7" 15pc/sq

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Old 10-24-2007, 01:56 PM   #3
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Re: Hardy Plank/SF - How Do I Figure?


thanks - that's close to 84 lumber's est
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Old 10-24-2007, 02:14 PM   #4
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Re: Hardy Plank/SF - How Do I Figure?


I don't want to sound like an ass, but that is pretty easy to figure out.

12' x 4" = 4 SF

100 SF / 4 SF = 25 pieces, throw one in for waste and you have 26 pieces!

If you do not have a construction calculator, I would suggest you to pick one up, they are great!

Last edited by Cole; 10-24-2007 at 02:30 PM.
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Old 10-24-2007, 03:23 PM   #5
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Re: Hardy Plank/SF - How Do I Figure?


Hardie's installation guidelines has a great calculation tool that incorperates a 5% waste factor. Otherwise I multiply the sqf by 2 for 7 1/4 and 1.71 for 8 1/4.
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Old 10-24-2007, 05:40 PM   #6
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Re: Hardy Plank/SF - How Do I Figure?


Who really gets 5% waist? maybe if you had a 12x12 shed to cover and you only had to trim a couple inches of each piece for the post corner.

I'd say it atleast twice that if not 15% is the norm.
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Old 10-24-2007, 05:49 PM   #7
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Re: Hardy Plank/SF - How Do I Figure?


I agree. If there are gables and cheek walls involved I always go ...X1.15.
Unless you enjoy racing to the lumber yard for one more piece at 4:30pm
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Old 10-25-2007, 05:14 AM   #8
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Re: Hardy Plank/SF - How Do I Figure?


Cole,
You sound like an ass

Everyone else - thanks!

MHM
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Old 10-25-2007, 09:37 AM   #9
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Re: Hardy Plank/SF - How Do I Figure?


Quote:
Originally Posted by MHMConstruction View Post
Cole,
You sound like an ass

Everyone else - thanks!

MHM
Ok!

Last edited by Cole; 10-25-2007 at 09:59 AM.
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Old 10-25-2007, 10:06 AM   #10
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Re: Hardy Plank/SF - How Do I Figure?


All of us, don't agree with some of us, all of the time.....
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Old 10-25-2007, 10:09 AM   #11
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Re: Hardy Plank/SF - How Do I Figure?


I just don't get how you can install a product without knowing how to calculate how much you will need.

Am I alone?

BTW- To the OP, I am sorry if I am coming off like an ass, you can ask anyone on this forum who have known me long enough to know that I am the farthest from an ass you will meet.

Last edited by Cole; 10-25-2007 at 10:16 AM.
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Old 10-25-2007, 10:14 AM   #12
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Re: Hardy Plank/SF - How Do I Figure?


Quote:
Originally Posted by Cole View Post
Am I alone?
Nope
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Old 10-25-2007, 12:13 PM   #13
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Re: Hardy Plank/SF - How Do I Figure?


try posting basic questions like this on the electrical forum-they'll rip you a new you know what. Cole's presentation was more then gracious. Given the initial square footage, the height of the wall is important as you may need an extra course depending on where it falls. Do you guys adjust the overhang (1") plus or minus at times to hit the window or fascia?
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Old 10-25-2007, 03:17 PM   #14
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Re: Hardy Plank/SF - How Do I Figure?


no worries - I deal with asses every day

Last year my partner and I did $215,000 in Hardy Plank installs, and never once had to figure out how many planks it took.

Why?

The materials were on the job when we got there - it's crazy I know, but it happens sometimes

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Old 10-25-2007, 03:20 PM   #15
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Re: Hardy Plank/SF - How Do I Figure?


Quote:
Originally Posted by MHMConstruction View Post
no worries - I deal with ass' every day
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Old 10-25-2007, 04:13 PM   #16
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Re: Hardy Plank/SF - How Do I Figure?


4x4-
i think you're right - egg on my face

my parent's were both English teachers, too - so I'm really embarrassed!

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Old 10-25-2007, 09:09 PM   #17
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Re: Hardy Plank/SF - How Do I Figure?


well I have to admit...I checked with my wife before posting

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