4-1/8" x 4-1/8" MicroPro Sienna Full Size S4S Brown Pressure Treated Lumber Length (feet):12' 4800DW has been designed specifically

4800DW has been designed specifically to seal through-penetrations of pipes

plus it degrades over time so you don't need to worry about removal

Non-combustible with a melting point of approximately 1177°C (2150°F)

Add strength and reliability to your structure when you use Parallam PSL beams

4-1/8" x 4-1/8" MicroPro Sienna Full Size S4S Brown Pressure Treated Lumber Length (feet):12' 4800DW has been designed specifically4"x4" #2 & Better MicroPro Sienna Brown Pressure Treated Dimensional Lumber. Product Details Actual size TxW (in.): 4" x 4" Available Lengths: 8', 10', 12' Description The patented MicroPro technology used to pressure treat MicroPro Sienna results in treated wood products that are designed for use in residential and commercial environments where aesthetics and environmental standards are paramount. Features & Benefits Approved for use above ground, in