Hi Mac Very sound advice about airflow and end grain. Richard On Saturday, August 19, 2017 at 5:59:11 PM UTC+1, Va Oak wrote: > > Dexter, > > Wow! Thanks for that "tip"/trick re: making multi-sided frames (and other > projects) "come together" perfectly. > That tip, alone, is worth the cost of my "Annual Dues" to be a member of > The Group! > > Anytime you are making a wood item to be left outdoors there are several > IMPORTANT points to pay attention to: > !. As discussed in the above thread, first point is your species > selection. > 2. Minimize or eliminate the exposure of end grain - that's the Achilles > Heel for wood. > 3. Go to great lengths to "seal up" any exposed end grain. Here I'm > talking about before painting it. > 4. Select the best finish appropriate for the species, the environment it > will be exposed to (salt water/air, pool/chlorine, extreme heat, etc.) and > the look/appearance you want to achieve (high end, rustic, etc.). > 5. Ensure you accommodate the best free flow of air throughout the wood > item. Like someone mentioned - you want most columns to be hollow - with > venting top and bottom. > > I realize we can make "outdoor furniture" construction a whole 'nuther > discussion - but I don't want to get too far off-topic from LOM talk. > > A Wonderous Weekend to all! > Mac > ------------------------------ > ------------------------------ > > -----Original Message----- > From: Dexter Bland > Sent: Aug 18, 2017 5:29 PM > To: Legacy Ornamental Mills > Subject: Re: Porch Column Base > > Lou, > Most of the Cypress you buy today is not that rot resistant. Unless you > can get some of the old growth stuff, it is not worth using. It is also > pretty soft wood. White oak is a good choice as it is rot resistant and a > very hard wood and would hold up to abuse. White Oak does not readily > absorb moisture so it has been used as the floor timbers for centuries > until pressure treated came on the market. It is what whisky barrels are > made of due to its properties. Most posts are hollow for air passage to > allow drying and reduce rot. > > A few years ago I made a round mirror frame and used my mitersaw to cut > the angles to make the circle. It was done in about 14 or 16 pieces. It is > almost impossible to get that many joints cut perfect so that when the > circle is put together, that all joints will be tight. I figured out a way > to cheat. I got the angle really close and cut all the blocks. I then glued > together one half and then the other half as a group. You can then mount > the half on a board and cut a straight line on the tablesaw using the > fence. With the two halves now cut straight, just glue the two and there > you are with all the joints perfectly tight. No one has to know you didn't > cut all those joints perfect unless you tell them. > db > > > On Friday, August 18, 2017 at 1:36:54 PM UTC-5, Lou Lossi wrote: > >> Cypress was another wood I considered besides white oak and mahogany. >> These will eventually be painted white to match the porch, but not by me. >> Thanks Mike. >> >> On Friday, August 18, 2017 at 12:55:14 PM UTC-4, Michael Kratky wrote: >>> >>> Consider cypress one the most rot resistant wood species available and >>> affordable. >>> >>> Mike K >>> >>
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