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Why do I need to protect the cut ends of treated wood?

Wednesday, June 28, 2017

Cuts and large drill holes in pressure treated wood that expose untreated wood must be protected against rot and decay. Failure to apply an end-cut wood preservative or Cut-N-Seal at the time of construction will void the MicroPro Sienna Lifetime Residential Limited Warranty. For pressure treated timbers and for pressure treated wood used in ground […]

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Actual product colour may vary from colour shown in photos.
MicroPro Sienna Treated Wood products are produced by independently owned and operated wood preserving facilities.
MicroPro, MicroPro Sienna, and Cut-N-Seal are registered trademarks of Koppers Performance Chemicals Inc.

We’d like to thank you for your support of MicroPro Sienna, especially during these extraordinary times. Both COVID and recent consumer demand have put a strain on the supply chain. The wood industry has never seen anything like this. Due to the pandemic, many lumber mills and treating facilities across North America had to shut down or slow down production, but they are now cleared to get back up and running, while still prioritizing the health and safety of their teams. We are working diligently to produce more MicroPro Sienna and get it to your suppliers, but there will be delays and shortages for the foreseeable future as wood fibre remains in high demand throughout North America. We ask for your patience as MicroPro Sienna is replenished at building material stores across the country. Thank you.