[Greenbuilding] Mold resistant wood?

[Speireag Alden]

Sgrìobh Bruce Donelson:

>I've installed some composite decking materials here in the damp Pacific
>Northwest. We have lots of wet days that are warm enough to promote mold
>formation. Some (ChoiceDeck & EverGrain) have shown no signs of mold growth
>whatever.

     I used ChoiceDek, held in place with polypropylene baling twine, 
to restrain my living roof until it got established.  They're still 
there, of course, buried under the organic material.  Occasionally, 
in the course of experimentation and roof maintenance, I catch sight 
of one, and the ones right at the edge of the gable are always 
visible.  That's where the run-off escapes the roof system, so 
there's plenty of moss and other greenery.  Ideal mold conditions.

     The material itself doesn't mold.  It will hold organic material 
in place which supports mold and other wildlife, but the ChoiceDek 
just sits there.  It's been several years, now.

     We also used Trex at one point, and I haven't seen that mold 
either, but I haven't seen nearly as much of it.

     I've never used either one for a deck, or anything that it was 
actually designed for, so I'm not endorsing them.  I'm just 
commenting on what I've observed.

-Speireag.

-- 
Anger, if not restrained, is frequently more hurtful to us than the 
injury that provokes it.
--Lucius Annaeus Seneca, philosopher (BCE 3-65 CE)