The sapwood of all species is particularly nondurable and it is recommended that it not be used under conditions favorable to decay.
34 Pa. Code § 21.66
This section cited in 34 Pa. Code § 21.21 (relating to wood side rails).
The sapwood of all species is particularly nondurable and it is recommended that it not be used under conditions favorable to decay.
34 Pa. Code § 21.66
This section cited in 34 Pa. Code § 21.21 (relating to wood side rails).