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-   -   Should I seal my lamp posts? (http://www.peachparts.com/shopforum/off-topic-discussion/126330-should-i-seal-my-lamp-posts.html)

S320drvr 06-20-2005 12:27 PM

Should I seal my lamp posts?
 
I made a set of outdoor lamp posts for my driveway out of 5x5 cedar. The wood place said to absolutely not use any type of sealant on them as they will rot out in 2-3 years. My buddy insists that I absolutely must seal them or they will rot out in 2-3 years. Given the outrageous cost of cedar these days, who is right? I don't want to have to make these again any time soon.

G-Benz 06-20-2005 12:42 PM

I would trust the wood expert IMHO, not the neighbor.

Most cedar posts are already treated anyway. I seriously doubt you would see it deteriorate in 2-3 years...

dmorrison 06-20-2005 12:43 PM

Cedar is a natural decay resistant wood just like teak. But all things will deteriorate over time. First I would ask where are you located. This will determine the weather effects on the wood. Here it Texas lots of houses have cedar shingles, a really stupid thing to do- put dry wood on a house-other places call that kindling. The roofs usually last about 10-15 years untreated, depending on the particular piece. 10-20% will have to be replaced over that time due to warping. SOOOOO If you live in the non southwest desert local, where the dry sun beaten weather really kills wood, I would say not to seal it. If you are going to seal it use an oil not a polyurethane. The oil will polymerize and can be added to later.


Dave

S320drvr 06-20-2005 06:47 PM

First I would ask where are you located. This will determine the weather effects on the wood.

I live in northwest Connecticut. Moisture is more of a problem than sun damage. The stained shingles on my house were installed in 1963 and except for the western side, they look like new but they are not installed 3 feet underground either. The wood guy said that sealing the wook seals in the moisture and rots from the inside out. The beams seem pretty dry to me but what do I know.

Frank X. Morris 06-21-2005 12:53 AM

Howdy S,
Why bury them!?Ąż At work what we did with wooden posts is this. There is a bracket. The top part looks like this 1_1 and you screw it to the post. The bottom part of the bracket you bury in cement. Post stays dry.

S320drvr 06-21-2005 10:17 AM

Quote:

Originally Posted by Frank X. Morris
Howdy S,
Why bury them!?Ąż At work what we did with wooden posts is this. There is a bracket. The top part looks like this 1_1 and you screw it to the post. The bottom part of the bracket you bury in cement. Post stays dry.


The posts take a pretty good beating with snow plows hurling slush and heavy snow. They need to anchored pretty good. Thanks for all the replies folks!


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