Core Alternatives
Selkie board can be manufactured from a choice of three
moisture resistant core substrates, Rearolite; Medite MDF; 9mm WBP
Plywood, each which their own characteristics.

Rearolite
A strong, and extremely lightweight 9mm polyurethane core with
excellent compression properties.
Exterior Grade Medite MDF
A fully Moisture Resistant MDF
designed for external applications and manufactured by Coillte,
the Irish Forestry Commission, all woods are sourced from
sustainable forests in Ireland.
It is strong and easy to work with (especially good for tongue
& grooved joints) whilst offering an environmentally friendly
solution.

9mm WBP Plywood
With all the traditional characteristics this core offers a
reliable, durable solution with excellent dimensional
stability.