Kuiken Brothers stocks a huge assortment of 1x and 5/4x standard boards in a variety of options, including, PVC, poly-ash, finger-joint and solid (clear pine, knotty pine, primed pine, poplar, oak, cherry, maple, mahogany and clear cedar). Boards are generally ordered by their nominal size. The following charts below depict both the nominal size and actual size.  We also stock 1-3/4″ x 11-1/4″ (8/4 x 12″) #2 white pine. Wider glued up boards are available in knotty pine. In addition, we offer several sizes of medium density fiberboard which is an excellent paint grade substitute for interior applications and we offer a Kleer PVC and TruExterior (formerly Boral) for exterior applications where water and moisture are of concern.

WindsorOne +Protected Primed Pine

Protected F/J Primed Pine

kuiken-brothers-windsor-onew1s4s_950x340_web
Nominal Sizes Actual Sizes F/J Primed Pine (16′)
1 x 2 3/4” x 1-1/2” square
1 x 3 3/4” x 2-1/2” square
1 x 4 3/4” x 3-1/2” square
1 x 6 3/4” x 5-1/2” square
1 x 8 3/4” x 7-1/4” square
1 x 10 3/4” x 9-1/4” square
1 x 12 3/4” x 11-1/4” square
5/4 x 3 1-1/8” x 2-1/2” square
5/4 x 4 1-1/8” x 3-1/2” square
5/4 x 6 1-1/8” x 5-1/2” square
5/4 x 8 1-1/8” x 7-1/4” square
5/4 x 10 1-1/8” x 9-1/4” square
5/4 x 12 1-1/8” x 11-1/4” square
3/4” x 1-1/2”
F/J Primed Pine (16′)
3/4” x 2-1/2”
F/J Primed Pine (16′)
3/4” x 3-1/2”
F/J Primed Pine (16′)
3/4” x 5-1/2”
F/J Primed Pine (16′)
3/4” x 7-1/4”
F/J Primed Pine (16′)
3/4” x 9-1/4”
F/J Primed Pine (16′)
3/4” x 11-1/4”
F/J Primed Pine (16′)
1-1/8” x 2-1/2”
F/J Primed Pine (16′)
1-1/8” x 3-1/2”
F/J Primed Pine (16′)
1-1/8” x 5-1/2”
F/J Primed Pine (16′)
1-1/8” x 7-1/4”
F/J Primed Pine (16′)
1-1/8” x 9-1/4”
F/J Primed Pine (16′)
1-1/8” x 11-1/4”
F/J Primed Pine (16′)

WindsorONE +Protected has a 30 warranty* against rot, insects and mold. Trim shows off the exterior and interior detail work of every home. The builder’s craftsmanship is what gets them noticed and generates referrals. Builders use WindsorONE because every stick of WindsorONE is smooth, straight and comes with an industry leading prime coat. Focusing on detail and craftsmanship is what has made WindsorONE a leader in the interior/exterior trim market since 1972. (*See windsorone.com/install for more info.)


Hardwood Boards

950x340-hardwood-boards
Nominal Actual Red Oak (FAS Grade) Poplar (FAS Grade) Cherry (FAS Grade) Mahogany (Sapele ~ FAS Grade) Maple (Hard ~ FAS Grade)
1 x 2 3/4” x 1-1/2” square
1 x 3 3/4” x 2-1/2” square
1 x 4 3/4” x 3-1/2” square square square square square
1 x 6 3/4” x 5-1/2” square square square square square
1 x 8 3/4” x 7-1/4” square square square square square
1 x 10 3/4” x 9-1/4” square square square square square
1 x 12 3/4” x 11-1/4” square square square square square
5/4 x 4 1-1/8” x 3-1/2” square square square square square
5/4 x 6 1-1/8” x 5-1/2” square square square square square
5/4 x 8 1-1/8” x 7-1/4” square square square square square
5/4 x 10 1-1/8” x 9-1/4” square square square square square
5/4 x 12 1-1/8” x 11-1/4” square square square square square
3/4” x 1-1/2”
Red Oak (FAS Grade)
3/4” x 2-1/2”
Red Oak (FAS Grade)
3/4” x 3-1/2”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
3/4” x 5-1/2”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
3/4” x 7-1/4”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
3/4” x 9-1/4”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
3/4” x 11-1/4”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
1-1/8” x 3-1/2”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
1-1/8” x 5-1/2”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
1-1/8” x 7-1/4”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
1-1/8” x 9-1/4”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)
1-1/8” x 11-1/4”
Red Oak (FAS Grade), Poplar (FAS Grade), Cherry (FAS Grade), Mahogany (Sapele ~ FAS Grade), Maple (Hard ~ FAS Grade)

White Pine

White Pine D&Btr, C & Btr, #2 Common, F/J E/G Decorative White Pine

SONY DSC
Nominal Sizes Actual Sizes D & BTR C & BTR #2 COM F/J E/G Decorative White Pine
1/2 x 2 1/2” x 1-1/2” square
1/2 x 3 1/2” x 2-1/2” square
1/2 x 4 1/2” x 3-1/2” square square
1/2 x 6 1/2” x 5-1/2” square square
1/2 x 8 1/2” x 7-1/4” square square
1/2 x 10 1/2” x 9-1/4” square square
1/2 x 12 1/2” x 11-1/4” square square
1 x 2 3/4” x 1-1/2” square square
1 x 3 3/4” x 2-1/2” square square
1 x 4 3/4” x 3-1/2” square square
1 x 6 3/4” x 5-1/2” square square
1 x 8 3/4” x 7-1/4” square square
1 x 10 3/4” x 9-1/4” square square
1 x 12 3/4” x 11-1/4” square square
1 x 14 3/4” x 13-1/4” square
1 x 18 3/4” x 17-1/4” square
1 x 24 3/4” x 23-1/4” square
5/4 x 3 1-1/8” x 2-1/2” square
5/4 x 4 1-1/8” x 3-1/2” square square
5/4 x 6 1-1/8” x 5-1/2” square square
5/4 x 8 1-1/8” x 7-1/4” square square
5/4 x 10 1-1/8” x 9-1/4” square square
5/4 x 12 1-1/8” x 11-1/4” square square
8/4 x 12 1-13/16” x 11-1/4” square
1/2” x 1-1/2”
D & BTR
1/2” x 2-1/2”
D & BTR
1/2” x 3-1/2”
D & BTR, #2 COM
1/2” x 5-1/2”
D & BTR, #2 COM
1/2” x 7-1/4”
D & BTR, #2 COM
1/2” x 9-1/4”
D & BTR, #2 COM
1/2” x 11-1/4”
D & BTR, #2 COM
3/4” x 1-1/2”
C & BTR, #2 COM
3/4” x 2-1/2”
C & BTR, #2 COM
3/4” x 3-1/2”
C & BTR, #2 COM
3/4” x 5-1/2”
C & BTR, #2 COM
3/4” x 7-1/4”
C & BTR, #2 COM
3/4” x 9-1/4”
C & BTR, #2 COM
3/4” x 11-1/4”
C & BTR, #2 COM
3/4” x 13-1/4”
F/J E/G Decorative White Pine
3/4” x 17-1/4”
F/J E/G Decorative White Pine
3/4” x 23-1/4”
F/J E/G Decorative White Pine
1-1/8” x 2-1/2”
C & BTR
1-1/8” x 3-1/2”
D & BTR, C & BTR
1-1/8” x 5-1/2”
D & BTR, C & BTR
1-1/8” x 7-1/4”
D & BTR, C & BTR
1-1/8” x 9-1/4”
D & BTR, C & BTR
1-1/8” x 11-1/4”
D & BTR, C & BTR
1-13/16” x 11-1/4”
C & BTR

Kleer PVC

PVC Boards

SONY DSC
Nominal Sizes Actual Sizes 18’ Trim Board 20’ Smooth Corner 20’ Wood Grain Corner
1 x 4 3/4” x 3-1/2” square
1 x 6 3/4” x 5-1/2” square
1 x 8 3/4” x 7-1/4” square
1 x 10 3/4” x 9-1/4” square
1 x 12 3/4” x 11-1/4” square
5/4 x 4 1” x 3-1/2” square square square
5/4 x 6 1” x 5-1/2” square square square
5/4 x 8 1” x 7-1/4” square
5/4 x 10 1” x 9-1/4” square
5/4 x 12 1” x 11-1/4” square
3/4” x 3-1/2”
18’ Trim Board
3/4” x 5-1/2”
18’ Trim Board
3/4” x 7-1/4”
18’ Trim Board
3/4” x 9-1/4”
18’ Trim Board
3/4” x 11-1/4”
18’ Trim Board
1” x 3-1/2”
18’ Trim Board, 20’ Smooth Corner, 20’ Wood Grain Corner
1” x 5-1/2”
18’ Trim Board, 20’ Smooth Corner, 20’ Wood Grain Corner
1” x 7-1/4”
18’ Trim Board
1” x 9-1/4”
18’ Trim Board
1” x 11-1/4”
18’ Trim Board

Kleer spent nearly 2 years researching and perfecting the way cellular PVC is made. By asking building professionals what they expected in a PVC Trimboard and consulting consumers on what they wanted, Kleer developed a process that addressed those needs and now produces the next generation PVC trimboard. Be sure to visit our Moulding section to see a complete list of in-stock Kleer PVC moulding profiles.

Learn more at their website


TruExterior Polyash Trimboards

Formally Boral TruExterior

kuiken-brothers-boards-boral-tru-exterior-trim
Nominal Sizes Actual Sizes 16’ Trim Board
1 x 4 3/4” x 3-1/2” square
1 x 6 3/4” x 5-1/2” square
1 x 8 3/4” x 7-1/4” square
1 x 10 3/4” x 9-1/4” square
1 x 12 3/4” x 11-1/4” square
5/4 x 4 1-1/8” x 3-1/2” square
5/4 x 6 1-1/8” x 5-1/2” square
5/4 x 8 1-1/8” x 7-1/4” square
5/4 x 10 1-1/8” x 9-1/4” square
5/4 x 12 1-1/8” x 11-1/4” square
3/4” x 3-1/2”
16’ Trim Board
3/4” x 5-1/2”
16’ Trim Board
3/4” x 7-1/4”
16’ Trim Board
3/4” x 9-1/4”
16’ Trim Board
3/4” x 11-1/4”
16’ Trim Board
1-1/8” x 3-1/2”
16’ Trim Board
1-1/8” x 5-1/2”
16’ Trim Board
1-1/8” x 7-1/4”
16’ Trim Board
1-1/8” x 9-1/4”
16’ Trim Board
1-1/8” x 11-1/4”
16’ Trim Board

TruExterior Trim & Siding (formally Boral TruExterior) has created an entirely new category of decorative exterior trim that offers phenomenal performance, remarkable workability and a lasting look without the limitations that plague other exterior trim products. Its authentic Poly-ash structure is has been developed from nearly 5 years of rigorous internal and 3rd party testing. Manufactured by combining proprietary bio-based polymer chemistry and coal-combustion products (ash); which add a level of inert properties with virtually no moisture cycling, making it ideal for exterior trim applications. Consisting of more than 70% recycled or rapidly renewable materials, TruExterior Trim is leading the market in true sustainability and environmental stewardship.

Learn more at their website


Primed Fiberboard

Medium Density Fiber Board

Nominal Sizes Actual Sizes 16’ Trim Board
1 x 4 3/4” x 3-1/2” square
1 x 6 3/4” x 5-1/2” square
1 x 8 3/4” x 7-1/4” square

Cedar

SONY DSC
Nominal Sizes Actual Sizes Select Knotty S1S2E
Western Red Cedar
“Aye” & Better
Western Red Cedar
Architect Knotty
Western Red Cedar
GRN. C & BTR
Western Red Cedar
1 x 4 3/4” x 3-1/2” square square
1 x 6 3/4” x 5-1/2” square square
1 x 8 3/4” x 7-1/4” square square
1 x 10 3/4” x 9-1/4” square square
1 x 12 3/4” x 11-1/4” square square
5/4 x 6 (8′ – 20′) 1″ x 5-1/2″ square
2 x 4 1-1/2″ x 3-1/2″ square
2 x 6 (8′ – 16′) 1-1/2′ x 5-1/2″ square
2 x 2 (42″ & 8′) 1-1/2″ x 1-1/2″ square
4 x 4 (8′ – 12′) 3-1/2” x 3-1/2” square
6 x 6 (8′) 5-1/2” x 5-1/2” square
3/4” x 3-1/2”
Select Knotty S1S2E Western Red Cedar, “Aye” & Better Western Red Cedar
3/4” x 5-1/2”
Select Knotty S1S2E Western Red Cedar, “Aye” & Better Western Red Cedar
3/4” x 7-1/4”
Select Knotty S1S2E Western Red Cedar, “Aye” & Better Western Red Cedar
3/4” x 9-1/4”
Select Knotty S1S2E Western Red Cedar, “Aye” & Better Western Red Cedar
3/4” x 11-1/4”
Select Knotty S1S2E Western Red Cedar, “Aye” & Better Western Red Cedar
1″ x 5-1/2″
Architect Knotty Western Red Cedar
1-1/2″ x 3-1/2″
Architect Knotty Western Red Cedar
1-1/2′ x 5-1/2″
Architect Knotty Western Red Cedar
1-1/2″ x 1-1/2″
GRN. C & BTR Western Red Cedar
3-1/2” x 3-1/2”
Architect Knotty Western Red Cedar
5-1/2” x 5-1/2”
Architect Knotty Western Red Cedar

Pressure Treated Boards (SYP)

kuiken-brothers-pressure-treated-lumber
Sizes 12′ 16′
1×4 square square
1×6 square square
1×8 square
1×10 square

Spruce (#3 & BTR KD Spruce)

SONY DSC
Sizes 8′ 10′ 12′ 14′ 16′
2 x 2 square
1 x 2 square square square
1 x 3 square square square
1 x 4 Random Length
1 x 6 Random Length
5/4 x 3 square square square square square
8′
8′, 10′, 12′
8′, 10′, 12′
Random Length
Random Length
8′, 10′, 12′, 14′, 16′