Cedar / Discussions

What is the best way to do wall construction using Charred Cedar Siding?

...cedar siding and it is for experimenting of using charred cedar.  I'm interested to know the wall construction with this material for creating good insulation and modern look. Charred wood or carbonized wood siding, also known as Shou Sugi Ban, is a a matter of slightly charring the outside surface of the wood. See our...

Posted by Dobie Cheung June 6, 2020 Exterior cladding 2 responses

Can you use polyiso insulation on the exterior of a wall behind cedar siding on the west coast?

At what point/temp & to what extent does polyiso board loose its thermal properties?  Does it go below R4.5 per inch?  Is it usless at -15C ?  or equal to XPS  ? Polyiso starts to fall off in R value around 5-10C , but it's not a catastrophic failure, and given your use of Celsius and ‘West Coast’, I’m thinking you...

Posted by Iain Matheson Jan. 28, 2020 Wall assemblies - renovation 2 responses