What we produce
Every form it takes
Appearance through industrial, boards through timbers. All NELMA, SPIB and WWPA patterns, plus special milling to your specification.
Industrial Lumber Solutions
Sizes, milling and grades
In the industrial lumber market, the right product matters, but the right partner matters just as much. Diorio Forest Products supplies industrial lumber products for a wide range of commercial, manufacturing, packaging, construction, and specialty applications.
Boards & Decking
- Common sizes
- 4/4 – 8/4 x 4 – 12"
- Milling options
- Rough and S4S; green, air dried, kiln dried
- Species
- Douglas Fir, Eastern White Pine, Hemlock, Southern Yellow Pine, SPF
- Grades
- #3, #4, #3/#4 Mix, Industrial EWP, Economy SPF, PMO SPF, and other grades by specification
Cants & Timbers
- Common sizes
- 4x4 – 16x16"; 3.5x4 – 12"; 5.5x4 – 12"
- Milling options
- Rough and S4S; green, air dried, kiln dried
- Species
- Douglas Fir, Eastern White Pine, Hemlock, Southern Yellow Pine, mixed hardwoods, oak, and other specified species
- Grades
- #3 and #4 Douglas Fir and Southern Yellow Pine, Selected Log Run Eastern White Pine, and other grades by specification
Dimension
- Common sizes
- 2x3 – 2x12"
- Lengths
- 2 – 24'
- Milling options
- S4S; green, air dried, kiln dried
- Species
- Cedar, Douglas Fir, ESLP, Ponderosa Pine, Southern Yellow Pine, SPF
- Grades
- #3 and #4 Cedar, Douglas Fir, ESLP, Ponderosa Pine, Southern Yellow Pine; #3 and Economy SPF
Panels
- Common sizes
- 7/16 – 3/4" and 12MM – 25MM
- Species
- OSB, Radiata Pine, Southern Yellow Pine plywood
- Grades
- AC Grade, Pine Rated Sheathing, Mill Cert, Shop, Reject
Other grades available to match your specification.
Log Home & Timber Frame Lumber
Sizes, milling and grades
Log home and timber frame projects require lumber that does more than meet a specification. The material needs to bring warmth, character, strength, and lasting performance to the finished structure.
Paneling & Siding
- Common sizes
- 1x4 – 1x12"
- Milling options
- All NELMA, SPIB and WWPA patterns, plus special milling
- Species
- Eastern White Pine, Cedar, Douglas Fir, Southern Yellow Pine, SPF
- Grades
- #1 & Better, #2 & Better Cedar, Douglas Fir, Southern Yellow Pine & SPF; C-Select, D-Select, D & Better, Premium & Standard Eastern White Pine
Timbers
- Common sizes
- 4x4 – 16x16"
- Lengths
- 8 – 32'
- Milling options
- Rough and S4S; green, air dried, kiln dried (18–20% @ 2")
- Species
- Cedar, Douglas Fir, Eastern White Pine, Southern Yellow Pine
- Grades
- #1 & Better FOHC & Boxed Heart, #2 & Better FOHC & Boxed Heart, Selected Log Run
Other grades available to match your specification.
Manufacturing Lumber Supply
Sizes, milling and grades
For manufacturers, lumber value is measured by more than price. Yield, consistency, grade recovery, milling, and availability all matter.
Cut Stock
- Common sizes
- 4/4 – 8/4 x 4 – 12"
- Milling options
- Rough, S2S and S4S; green, air dried, kiln dried
- Species
- Cedar, Douglas Fir, ESLP, Hemlock, Ponderosa Pine, Southern Yellow Pine, SPF
- Grades
- #1–3 Shop, #1–3 Molding, FJ, Selected Log Run, Shop Outs Eastern White Pine; #3 & #4 Cedar, Douglas Fir, ESLP, Ponderosa Pine; P99
Furniture & Turning Squares
- Common sizes
- 3x3 – 4x4"
- Milling options
- Rough; kiln dried
- Species
- Cedar, Douglas Fir, Eastern White Pine, Southern Yellow Pine
- Grades
- Furniture grade
Panels
- Common sizes
- 7/16 – 3/4" and 6MM – 25MM
- Species
- OSB, Radiata Pine, Southern Yellow Pine plywood
- Grades
- AC Grade, Pine Rated Sheathing, Mill Cert, Shop, Reject
Other grades available to match your specification.
Retail & Wholesale Distribution
Sizes, milling and grades
Retailers and wholesale distributors need more than product availability. They need a lumber partner who understands timing, variety, quality, and the pressure of keeping customer orders fulfilled.
Boards & Decking
- Common sizes
- 1x4 – 1x12", 2x4 – 2x12", plus other custom sizes
- Milling options
- All NELMA, SPIB and WWPA patterns, plus special milling
- Species
- Cedar, Douglas Fir, Hemlock, Eastern White Pine, ESLP, Ponderosa Pine, Southern Yellow Pine, SPF
- Grades
- All NELMA, WWPA and SPIB grades
Other grades available to match your specification.
By species instead
Or start from the wood
Every species has its own page, with the products, grades and substitutions that apply to it.
Not on the list
Send us the spec instead
If you know what the material has to do but not what it should be, that is the conversation we are best at. We also bring product in and reprocess it into something else.