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Old 07-15-2010, 08:58 PM   #1
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Wrought iron railing dimensions


I am rebuilding a exterior 4x12 2nd floor balcony on a 70+ year old stone house. I have replaced the beams and decking and now I am looking at the railing. Rather than just rebuild the wood railing, I was thinking of creating a wrought iron rail (I think its all steel these days), that would match some existing iron grille work. I have a gas welder, and I have found a local metal supply that has all the materials I need.

I was planning on a 36" rail height and 6" picket spacing. Are there codes that say what the minimum rail height and max picket spacing have to be?

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Old 07-16-2010, 11:03 AM   #2
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Wrought iron railing dimensions


The only mention I see in the building codes for railing (hand rail) is for stairs and ramps. Code calls for a 34" to 38" hand rail height. No mention of picket spacing. The existing window grills use 5 3/8" spacing. The 6" spacing I plan on is a close visual match and a good fit for the material length.

On the other hand, for safety, I would expect some max spacing so small children don't fall through. On a deck building website I see 4.5" max spacing called out, but not sure if that is arbitrary.

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Old 07-16-2010, 12:13 PM   #3
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Wrought iron railing dimensions


Spacing must be so that a 4" sphere can not pass between the railing/picket
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Old 07-16-2010, 05:36 PM   #4
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Wrought iron railing dimensions


Check with your local Inspector. CA- page #11: http://docs.google.com/viewer?a=v&q=...h1W5lElSFXE4_w

Be safe, Gary
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Old 07-16-2010, 10:16 PM   #5
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Wrought iron railing dimensions


Which says 42" min rail height and 4" max picket opening. That would work out to 36" pickets on 4.5" centers with 1" top and bottom rail and a 4" bottom gap. This is 30% more metal than I want. It won't match as well to what is there already. A 20' stock length gives 7 @ 34".

Are kid's heads really as small as 4 inches? I thought the problem was kids were fatter than ever. Maybe I should just electrify the rail and keep everyone away
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Old 07-17-2010, 12:09 PM   #6
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Wrought iron railing dimensions


Quote:
Originally Posted by tns1 View Post
Which says 42" min rail height and 4" max picket opening. That would work out to 36" pickets on 4.5" centers with 1" top and bottom rail and a 4" bottom gap. This is 30% more metal than I want. It won't match as well to what is there already. A 20' stock length gives 7 @ 34".

Are kid's heads really as small as 4 inches? I thought the problem was kids were fatter than ever. Maybe I should just electrify the rail and keep everyone away
Just eliminate the railing altogether. What's the worst that can happen?
Look at all the money you'll save then.
Ron

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