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Old 05-01-2012, 05:40 AM   #1
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Building a solid railing...


For a raised walkway. We have built the frame with PT 2x8 well cross-membered. Looking for the most solid way to attach 4x4 uprights for the railings.

We are thinking carriage bolting them to the outside of the frame will work. They will be free-standing; meaning that the rails will attach to the 4x4 and will not go back to a solid structure such as the building.

Any ideas on the topic?

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Old 05-01-2012, 12:14 PM   #2
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Building a solid railing...


Anyway to post a picture?
Trying to figure out if it's raised why did you not set the post in concrete then frame up the decking.
If you framed it with 2 X 8's where does the 4 X 4's come in. Where they runners on the ground that the frame was built on?

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Old 05-01-2012, 04:24 PM   #3
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Building a solid railing...


raised about 6 inches off ground on concrete blocks/rounds . they are sitting on a stable yet crappy looking old asphalt walkway. the 4x4 's are for the railing kit that is to be attached. it has those slip over pvc covers for the wood.
someone had been telling me to make a one inch notch on the 4by and carriage bolt it to the 2x8 frame work.
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Old 05-01-2012, 04:31 PM   #4
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Building a solid railing...


no do not do that it will fail no notching 4x4
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Old 05-01-2012, 04:38 PM   #5
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Building a solid railing...


try one of the following
http://www.strongtie.com/ftp/fliers/DIY-DECKPATIO08.pdf

http://store.ideas-for-deck-designs.com/anchors.php

and these are the best to use check out the video s on the right of page
http://www.fastenmaster.com/details/...ng-system.html

also check technical data for anchor pattern
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Last edited by jaydevries; 05-01-2012 at 04:52 PM.
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Old 05-01-2012, 04:46 PM   #6
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Building a solid railing...


i love the fasten master screw line they are awesome headlok, ledgerlok, and thrulok are great price if you compare it to a 1/2 hot dip galvinized carriage bolt washer and not and a lot faster to install no pre drilling and no wrenching
i also love there guarddog exterior screws do not break or very very rarely strip out head

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Old 05-01-2012, 04:53 PM   #7
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Building a solid railing...


Code has increased the required lateral resistance of railings significantly over the last 15 years, in part due to some spectacular fatalities involving people falling off balconies to their demise. There are a number of different ways to attach the 4x4's to the framing. I recommend following your local code. If you don't have a local code, you may want to follow the International Residential Code, that is what my town uses.

My town uses the 2006 code, and there is an entire section on proper attachment of the 4x4 posts to the deck, on pages 15 and 16. A couple of points worth thinking about. According to IRC, the posts cannot be notched. Code also requires use of a minimum of two 1/2 inch diameter through bolts and washers (carriage bolts are not recommended due to tensioning issues). You can vary from the recommended attachment method if approved by your local building inspector. You can get the code on line, at least the 2009 version is available, I don't have the website but search this forum, there have been several recent posts that give the link.
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Old 05-01-2012, 05:08 PM   #8
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Building a solid railing...


fastenmaster thrulok has tech. sheet to submit to building code department to show it is code compliant
http://www.fastenmaster.com/details/...ng-system.html

holzman i think you would love fasten master products

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