best fastener for wood pergola


Old 04-16-08, 06:58 AM
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best fastener for wood pergola

Hello, I am planning on building a cedar pergola in my backyard. What is the best fastener to use for this project? The posts will be 6" x 6" x 12' and I'll be using 2" x 6" and 2" x 4" for beams. I am thinking about using either bolts with washers and nuts, or easier would be self tapping screws. I am thinking galvanized is called for here to stand up to the weather.

Old 04-16-08, 10:38 AM
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It will be pricey but considering the cost of the material (cedar) I would probably go with stainless steel.

Galvanized coatings on fasteners will eventually bleed through and stain the cedar.

If your local hardware store can't get what you need, try a boat yard - they deal with stainless fittings all the time.
Old 04-16-08, 08:06 PM
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I agree with George, stainless will be your best bet. Use either square drive or torx drive to eliminate skipping and stripping of the head. I have a guy on ebay that I get mine from. Not cheap, but cheaper than retail.

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