Catalog

Composite Jamb Options

An Innovative Alternative to Traditional Wood Door Jambs • Closed Cellular Structure

4-⁄" • Rigid Poly-Fiber Formulation • More Screw-Holding Power • Easily Machined • Available in Various Lengths

4-9/16"

⁄"

1-⁄"

3/4"

2-⁄"

1-1/4"

⁄"

⁄"

Weather Strip Kerf 2-3/16"

1/2"

1/2"

4-⁄"

6-⁄"

Weather Strip Kerf

6-9/16"

⁄"

⁄"

1-⁄"

1-⁄"

3/4"

1-1/4"

2-⁄"

2-⁄"

⁄"

⁄"

⁄"

⁄"

Weather Strip Kerf

Weather Strip Kerf 2-3/16"

1/2" 6 5/8" Primed Composite 6 5/8" Prefinished Composite

4 5/8" Primed Composite 4 5/8" Prefinished Composite

1/2"

6-⁄" Weather Strip Kerf

⁄"

1-⁄"

7-⁄"

6-9/16"

2-⁄"

⁄"

1-⁄"

⁄"

⁄"

Weather Strip Kerf

3/4"

1-1/4"

Weather Strip Kerf

⁄"

2-⁄"

1/2"

Weather Strip Kerf 2-3/16"

⁄"

7-⁄"

7 5/8" Primed Composite

1/2"

⁄"

1-⁄"

⁄"

2-⁄"

Weather Strip Kerf

⁄"

Fat Boy Mull Post Primed Composite with LVL Core

1-⁄"

3 1/2

Fat Boy Mull Post Prefinished Composite with LVL Core

2-⁄"

Jackson LUMBER & MILLWORK

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1.

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July 2026