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elka Strong Board

esb P5 – The solution for healthy building & living

The first choice for roof superstructures, exterior and interior walls, ceilings, floors and trade fair construction: esb boards from elka, for healthy building and living.        

The esb board for load-bearing purposes in damp areas is mainly made of spruce wood and meets the highest technical requirements. It is available with blunt edges or with tongue and groove profile. The esb board type P5 can be used for all common applications in the building sector and offers significant advantages compared to OSB boards

We distinguish between esb Standard and esb Plus. The esb Plus is a premium board for RAL-certified, structural timber construction and prefabricated house construction.

Technological advantages

  • Flexural strength and E-modulus the same in both directions
  • Approx. 40% higher transverse tensile strength than OSB
  • Lower swelling than OSB
  • Can be used as underlay board N+F according to ZVDH/Cologne
esb standard formats
Tongue and groove258 cm × 67.5 cm / deck size
205 cm × 62.5 cm / deck size*
Blunt259.5 cm × 125 cm (except 30 mm)
Large format stump520 cm × 206 cm * 12/15/18/22/25 mm
*already available from 80 pieces / thickness
Material sizes / packaging units (except large format):
12mm75 pieces
15mm60 pieces
18mm49 pieces
22mm40 pieces
25mm36 pieces
30mm30 pieces

Special thicknesses on request

Application advantages

  • Very bright surface and excellent optics
  • Native fresh wood without odour emission
  • Complies with IPPC standard ISPM No. 15 for wooden packaging
  • Ground surface and, therefore:
    • Application of adhesives, paints and varnishes possible
    • Largely open to diffusion
    • Almost closed surface
    • Natural wood character
    • High accuracy of fit

Downloads on the subject of esb

Do you have questions about our esb range?

Our customer advisor will be happy to help you by telephone at


+49(0)6533 / 956 332

Or send your request by e-mail to
[email protected]

Copyright © 2026 · elka-Holzwerke GmbH · D-54497 Morbach
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