Southern Pine Lumber Growing Region 110 Million Hectares 197 - - PowerPoint PPT Presentation

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Southern Pine Lumber Growing Region 110 Million Hectares 197 - - PowerPoint PPT Presentation

Dec 09, 2023 327 likes •961 views

Southern Pine Lumber Growing Region 110 Million Hectares 197 4318.8 M 3 232 Million Acres 197 SYP Sawmills 18.3 BBF Capacity Southeast produces 60% of the lumber products from USA. The lumber crops have raised

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Southern Pine Lumber

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Growing Region

  • 232 Million Acres
  • 197 SYP Sawmills
  • 18.3 BBF Capacity
  • 110 Million Hectares
  • 197
  • 4318.8 M3
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  • Southeast produces 60% of the lumber products from USA.
  • The lumber crops have raised 17% since 1980
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Sustainable Forestry

Planting 2nd Thinning Final Harvest 1st Thinning

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When wood absorbs water, it swells As it dries, wood shrinks

Lumber Characteristics

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Southern Yellow Pine Characteristics

 High Strength  Dried to 19% MC  Superior Nailholding  Durability  Treatability Density Resistant Sustainability

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  • In most cases, it is stronger than
  • ther lumber species.
  • Different lenght and widnesses

available.

  • Grades and fiber quality allow

wider lights distances in the construction.

  • Fiber quality and Grades allow to

use it in more efficient constructions.

Why SYP is so good?

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Lumber Grades

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Lumber grades– they divide in three basic clasifications:

  • 1. Appereance and Utility grades
  • 2. Re-manufacturing grades and

industrial uses.

  • 3. Structural Lumber Grades

Uses and Lumber Grades

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Characteristics

  • Slope of Grain
  • Knots
  • Decay
  • Splits
  • Wane
  • Warp
  • Skip
  • Checks
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Knots

  • The portion of a branch

that has become incorporated in the bole (stem/trunk) of a tree.

  • Knots interrupt the

continuity and change in the direction of wood fibers.

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Characteristics determine the lumber grade

  • Large Knots

Wane Many Knots = Lower Grade

  • Smaller Knots

Few Knots = Higher Grade

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The grade determine the value

  • Lower Grade

= Weaker = More Blemished

  • Higher Grade

= Stronger

= Nearly Clear

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KD ꞊ HT

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Thicknesses Boards 1” to 1½” Dimensioned 2” to 4” Lumber 5”+

Lumber Dimensions

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Appearance products

  • Typically 1” Thick
  • Not for Structural Use
  • Surfaced Four Sides
  • Dried to 15% or less
  • Siding
  • Flooring
  • Paneling
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Appearance products

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Furniture

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Doors and Windows

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Structural Grades

  • Typically 2” Thick
  • Structural Use
  • Surfaced Four Sides
  • Known design values
  • Dried to 19%
  • Dimension Lumber
  • 2x4 through 2x12
  • 4x4
  • Joists, Rafters, Beams,

Studs, Planks

  • Timbers
  • 5 in. and larger
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Structural Grades

Wall Studs Posts (6x6) Beams Joists

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Structural Grades

Floor Systems

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Structural Grades

Roof Systems

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Kiln drying Lumber

  • Stability
  • Increased

Strength

  • Lower Weight
  • Enhances

Appearance

  • Finishes Better
  • Required for

Proper Pressure Treatment

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Lumber –Treated Lumber

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¿What is the treated lumber?

  • Provide long term protection against the

rot of the lumber, fungus and termites.

  • Have been developed to protect the

lumber products that are exposed to

  • utdoors and increase the life span of the

lumber products.

  • The treated lumber have the same

resistant values for structural uses as well as the treated lumber

  • The lumber color could change
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Most Common Lumber Treatments

Treatments water and cupper base : Cupper Base

  • ACQ – Alkaline Copper Quat
  • ACZA – Ammonical Copper Zinc

Arsenate

  • CA – Copper Azole
  • CCA – Chromated Copper Arsenate
  • MCA – Micronized Copper Azole
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Step 1

Dry wood is loaded into cylinder

Inside the treatment cylinder

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Step 2

Initial vacuum pulls out air

Inside the treatment cylinder

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Step 3

Liquid preservative fills cylinder

Inside the treatment cylinder

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Step 4

Pressure forces preservative into wood

Inside the treatment cylinder

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Step 5

Remaining liquid emptied for later use

Inside the treatment cylinder

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Step 6

Final vacuum removes excess chemical

Inside the treatment cylinder

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Applications

  • STRUCTURAL
  • Joists, Beams, Posts
  • Trusses & Glulam Beams
  • Sill Plate
  • Decking
  • Permanent wood foundations
  • Gazebos
  • NON-STRUCTURAL
  • Furniture
  • Windows
  • Fences
  • Landscape & Garden
  • Roofing (shakes/shingles)
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Commercial Applications

  • Walkways
  • Structural columns
  • Exterior stairways
  • Utility poles
  • Building poles
  • Piling (foundation & marine)
  • Guardrail posts
  • Sign posts
  • Retaining walls
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Applications

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  • www.SouthernPineGlobal.com
  • www.SouthernPine.com
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María Fernanda Vale AMSO México, the Caribbean & Latin America Consultant fernanda.vale@softwood.com.mx info@softwood.com.mx

  • Tel. +52 (55) 4151 2107/08

www.americansoftwoodsmexico.com

Questions?