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Holbrook Lumber

Holbrook Lumber Company is a team of dedicated professionals, committed to meet the evolving needs of our customers.

E-Prime Primed Boards

Natural and Durable E-PRIME®


E-Prime primed trim boards are made from Paulownia, an environmentally friendly decay resistant wood species.
Paulownia has a 10–12-year growth cycle and is considered a highly renewable resource.”

E-Prime is a Finger Jointed and edge glued product using knot free blocking and marine grade glue. It is filled, sanded super smooth and fully reversible with 2 coats of oil based primer applied.

  • Naturally decay and rot resistant
  • Insect resistant
  • Preservative free
  • Minimal movement in service
  • Dimensionally stable
  • Light weight
  • No measurable pitch or resin
  • Resistant to warping, splitting and end checking
  • Excellent choice for interior and exterior use
  • 20 year substrate warranty

E-Prime is also available in Siding and Pattern Stock.

Paulownia

The Super Species

E-PRIME® primed boards and bevel siding are made from earth-friendly Paulownia wood. E-PRIME® is free from chemical preservatives! All E-PRIME® products are coated with an Ultra-High Performance 2-coat oil-based primer. Only a special board could meet the requirements for both interior and exterior applications. Naturally decay resistant and extremely stable. E-PRIME® is smooth on all four sides and defect-free. E-PRIME® is available in a wide range of pre-primed trim boards, bevel siding and pattern stock. It is finger-jointed, edge glued, knot free and fully reversible with a super smooth finish.

Suitable for both interior and exterior applications make E-PRIME® the correct choice for your next home project. E-PRIME® is a BETTER BRAND® finest quality building material of distinction.

Product Information

  • Soft hardwood
  • Superior wood fiber
  • Plantation grown
  • Fast growth cycle
  • Effective carbon sink
  • Dimensionally stable
  • Kiln dried
  • Light physical weight
  • Naturally resistant to rot, decay, and insects
  • High strength-to-weight ratio
  • High fire & ignition resistance
  • High insulation properties
  • No measurable resins or pitch
  • Low shrinkage coefficient
  • Silky smooth finish

(800) 833-3383

E-Prime Primed Boards

E-PRIME - Natural, Durable, Decay resistant and trusted


E-Prime trim boards are available in the following sizes:

1x3 16’ 5/4x4 12' & 16'
1x4 12' & 16’ 5/4x6 12' & 16’
1x5 12' & 16’ 5/4x5 12' & 16’
1x6 12' & 16’ 5/4x6 12' & 16’
1x8 12' & 16’ 5/4x8 12' & 16’


E-Prime is also available in Siding and Pattern Stock.

Product Information

(800) 833-3383

Primed Wood Siding

For over a decade Holbrook has been supplying our E-Prime brand of Siding and boards to the markets we serve.

E-Prime is made from Paulownia – An Earth Friendly Hardwood heralded for its numerous performance qualities in the field.

E-Prime Siding is:

  • Finger Jointed and Edge Glued with a Marine Grade Adhesive
  • Primed with a high performance 2 coat Oil Primer
  • Fully reversible and extremely stable
  • 16’ lengths for ease of handling and installation
Available in;
  • ½ x 6, ½ x 8 and ¾ x 10

Product Information

OUR FAMILY OF BRANDS