Thursday, June 11, 2015

Exterior Trim, Part 1: Bleaching Oil

We've decided to hire a company to do the roof for us since we're so far behind schedule. What this means is that we'll need to have the roof trim installed and the porch built before the roofers can come. This means we'll need our roof trim and porch materials prepared. 


We're doing the exterior of the Tiny House in western red cedar. In most parts of the country, western red cedar weathers to a beautiful even grey. However, in areas close to the shore, salt in the air from the ocean reacts with the tannins in the red cedar and causes it to weather in uneven black blotches. The solution to this? A product called Bleaching Oil. Bleaching Oil prevents the salt in the air from reacting with the tannins in the wood, but unlike a wood sealer, allows the wood to continue to weather. This gets you the even grey tone in your exterior cedar that people have come to associate with Cape Cod, Nantucket, and other portions of coastal New England.



(For an interesting piece on the differences between red cedar and white cedar shingles that was helpful for us in our decision making process, check out this This Old House Article.)


Today is a hot, sunny day with relatively low humidity, and the forecast looks pretty good. So, we took the day to paint all of our exterior trim with Cabot Bleaching Oil. It'll take the next two days to dry, and then we'll need to pain the back sides of the boards. Two more days to dry, and then we'll be ready to build the porch and trim the roof. 

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