Replacing Rotten Log Ends (Crowns) and Perlins
| A common place where rot occurs is in the corners where the logs intersect. When a crown or corner log is left too long and allowed to catch the drips off the roof, it can cause rot. This type of rot is most common when the overhang of the roof is less than three feet.
When rot has occurred, it is important to replace the crowns with care and skill. We always recommend leaving your log corners well within the drip line in order to prevent decay. |
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Sometimes if the crowns were left too long by the original builder, we recommend trimming them to get them further inside the drip line. Keeping the log crowns dry is the key to preventing decay. We use fully dried Cedar or Tamarack logs to construct new crowns. Rotted crowns are cut to a point halfway through the intersecting notch and then removed. Each new crown is cut to fit exactly as its predecessor did and is attached with galvanized screws. Any voids between new and old crowns are filled with expanding foam and/or backer rod, then caulked or chinked. |
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ROTTEN PERLINS? |
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Below is an example of what happens to perlins that extend beyond the drip line. In the first photo, the end of the perlin rotted out and a temporary fix was done. The second photo shows the new perlin end after our crew did the proper repair.
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