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Old 09-12-2010, 05:05 PM   #1
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Deck boards intersecting with 45 degree


Hi all

I'm trying to intersect a 45 degree deck board to edge 90 degree cut board. Of course when I cut 5/4 x 6" deck board on an angle, the width across the angle is now more than the 6" board cut straight.

How do I properly intersect the boards? I suspect the proper answer is to make both sides 22.5 cuts but unfortunately I have already attached the straight cut boards.

Can I do a couple extra cuts on the top and bottom of the 45 degree angle? How far back would I need to move back on the board?

Thanks for your help.

Garth

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Old 09-12-2010, 08:09 PM   #2
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Deck boards intersecting with 45 degree


i think its geometrically impossible

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Old 09-12-2010, 08:23 PM   #3
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Deck boards intersecting with 45 degree


I think you are right also.

I need to pull up what I have and start again.

What does everyone have to measure angles? I've tried a variety of tools but end up using trial and error. Doing this project will have a lot of angles.

Thank you

Garth
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Old 09-12-2010, 08:43 PM   #4
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Deck boards intersecting with 45 degree


how about using a ''seam board''to separate the 2 angles
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Old 09-12-2010, 09:07 PM   #5
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Deck boards intersecting with 45 degree


Quote:
Originally Posted by GarthH View Post
I think you are right also.

I need to pull up what I have and start again.

What does everyone have to measure angles? I've tried a variety of tools but end up using trial and error. Doing this project will have a lot of angles.

Thank you

Garth
Can't you cut the 90dgree boards at 22.5 degrees?
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Old 09-13-2010, 08:04 PM   #6
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Deck boards intersecting with 45 degree


If your angles are good, you can use the bevel gauge in your miter saw to cut the angles. If your lines are off, then use a bevel gauge to lock in the bevel between the pieces and then use protractor to measure it.

If you are trying to figure out how to determine what the bevels are, look at the attached pdf. A horizontal piece runs left to right. Another piece runs into it on a 66 deg bevel. The angle between the two pieces is 114 deg (180 deg - 66 deg), so you split it in half and miter both ends at 57 deg.
Attached Files
File Type: pdf Drawing1 Model (1).pdf (4.0 KB, 304 views)

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