Wood for any outdoor project should be pressure treated.
Pressure treated wood roof.
A client is considering pressure treated cedar shingles for the roof on his new house.
If you go with battens you will need to go with raw untreated lumber or painted lumber.
Whether pressure treated lumber is appropriate for trusses depends on the preservative used in the treatment process.
While naturally resistant to rot and decay western red cedar shingles and shakes that have been treated with chromated copper arsenate cca will add years to the life of your roof or siding.
Interior walls are within a climate controlled environment and are presumed to be free of moisture.
Can one use pressure treated lumber in metal plate connected truss construction.
Wood for indoor projects should be left as is.
Some low level leaching the chemical preservative leaking from the wood can also be a problem with indoor projects.
Note that this requirement is only for exterior walls as these may wick moisture onto the lumber.
Treated wood and galvanized roof return to installation.
Todd miller isaiah industries inc.
You are correct on the treated lumber thing.
The sawdust from pressure treated wood is an irritant to the eyes skin and nose.
There are three broad classes of preservatives used for the pressure treatment of wood.
Perry mastrovito design pics getty images.
In my 13 plus years installing cedar roofs i have been asked to install regular.
Pressure treated wood is required whenever you attach framing lumber or furring strips directly to concrete or other exterior masonry walls below grade.
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What are the pros and cons to using these shingles vs.
Chris yerkes a cedar shingle installer certified by the cedar shake and shingle bureau cssb and owner of cedarworks in brewster mass responds.