Mary's River Lumber Company is America's leading producer of Western Red Cedar. We manufacture a diverse line of cedar products including siding, decking, boards, and fencing.

Tongue & Groove Siding
Nominal SizeFace Size
1" x 4"3"
1" x 6"5"
1" x 8"7"

Package Size – PTL
1" x 4", 1" x 6" – 6-piece Bundles,
End Capped
1" x 8" – 4-piece Bundles,
End capped
Grade
Smooth Face–
STK (10-15% Quality)
A&BTR (10-15% B)

Resawn Face–
STK (10-15% Quality)
A&BTR (10-15% B)

Tally – 6' to 20' ELO
Moisture
Kiln Dry
WC 141
WC 105
Channel Siding
Nominal SizeFace Size
WC 141 1" x 8"6 5/8"
WC 105 1" x 8" 6 3/4"

Package Size – PTL 1" x 8" – 270
Grade – STK (10-15% Quality)
Tally – 6' to 20' ELO
Moisture – Green, Kiln Dry (19% M.C. or Less)
Shiplap Siding

Nominal SizeFace Size
1" x 8"6 5/8"

Package Size – PTL 1" x 8" – 270
Grade – STK (10-15% Quality)
Tally – 6' to 20' ELO
Moisture – Green, Kiln Dry (19% M.C. or Less)
Plain
Rabbeted
Bevel Siding
Nominal SizeFace Size
11/16" x 6"4 5/8"
11/16 x 8"6 5/8"

Packaging – 4 Piece Bundles and End Capped
Grade – STK (10-15% Quality)
Tally – 6' to 20' ELO, 3' to 20' Nested Units
Moisture – Kiln Dry (19% M.C. or Less)