--- title: | exterior siding description: exterior siding | --- [![reSAWN TIMBER co.](https://connect.resawntimberco.com/hubfs/reSAWNTimberCo_September2019%20/Images/rstlogo-small.png) ![reSAWN TIMBER co.](https://connect.resawntimberco.com/hubfs/reSAWNTimberCo_September2019%20/Images/rstlogo-large-2.png) ![reSAWN TIMBER co.](https://connect.resawntimberco.com/hubfs/reSAWNTimberCo_September2019%20/Images/rstlogo-f8-small.png) ![reSAWN TIMBER co.](https://connect.resawntimberco.com/hubfs/reSAWNTimberCo_September2019%20/Images/rstlogo-f8-large-1.png) ](https://resawntimberco.com/) [![reSAWN TIMBER co.](https://connect.resawntimberco.com/hubfs/reSAWNTimberCo_September2019%20/Images/rstlogo-small.png) ![reSAWN TIMBER co.](https://connect.resawntimberco.com/hubfs/reSAWNTimberCo_September2019%20/Images/rstlogo-large-2.png) ](https://resawntimberco.com/) ** ** 01 Mar ![R House Baltimore uses DUNCAN shou sugi ban charred western red cedar](https://connect.resawntimberco.com/hs-fs/hubfs/Imported_Blog_Media/IMG_0873_rhouse-5.jpg?width=1280&height=853&name=IMG_0873_rhouse-5.jpg) [![R House Baltimore uses DUNCAN shou sugi ban charred western red cedar](https://connect.resawntimberco.com/hs-fs/hubfs/Imported_Blog_Media/IMG_0807_rhouse-5.jpg?width=1280&height=853&name=IMG_0807_rhouse-5.jpg)](http://resawntimberco.com/project/r-house-baltimore-duncan-shou-sugi-ban/) ## WESTERN RED CEDAR BENEFITS - **DURABILITY**–Western red cedar is a naturally durable softwood that creates extractives (Thujaplicans and Phenolics) that ward off decay caused by insects, water infiltration, and fungi. The extractives increase with age leading to a longer lasting product life cycle–especially in exterior applications. - **DIMENSIONAL STABILITY**–WRC has a very low shrinkage factor and is largely superior to all other coniferous softwoods in its resistance to warping, checking, and twisting. - **THERMAL CONDUCTIVITY**–WRC’s low density gives it a high thermal insulating value because it contains a high proportion of cell cavities. In dry wood, these cavities are filled with air which is one of the best known thermal insulators. The R value is 1.35″ (34mm) of thickness. - **FIRE RESISTANCE**–reSAWN’s CHARRED CEDAR has a Flame Spread Index of 40 and a Smoke Developed Index of 140 to give it a Class B Rating. CHARRED CEDAR can be fire treated to Class A for interior projects. ## [1](https://connect.resawntimberco.com/tag/exterior-siding/page/1) ### NEWS from reSAWN TIMBER co. A collection of news items around interior design + architecture - including new products & projects from reSAWN; news from "in the field" as we procure materials for & build new custom furniture pieces; news on charred wood projects from around the globe; and what inspires us. 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