*Prefinished Oak S4S is stained to complement our woodgrain windows.


Over 6-9/16″:

Maximum Wall Thickness =  8-1/16″ for all Wood Species.
Maximum Wall Thickness =  11-5/16″ for White Unfinished Composite.
Maximum Wall Thickness =  7-9/16″ for Prefinished White and Prefinished Tan.