Marine Meranti or OkumeGRADE: BS1088 It is available in 4×8-foot sheets of 1/4, 3/8, 1/2, 5/8 and 3/4-inch thicknesses. Full Sheets Only.  Hydrotek Marine is a strong and extremely durable Red Meranti or Okume Marine Plywood with a BS1088 (British Standard) stamping. Manufactured with alternating color-matched, whole-piece cores, therefore providing a voidless ply adhering to BS1088 rules. No structural defects are …

Original Source https://www.wolstenholme.com/ B.S. 1088 : 1966 (abridged)BRITISH STANDARD SPECIFICATION FOR MARINE PLYWOOD MANUFACTURED FROM SELECTEDUNTREATED TROPICAL HARDWOODSSPECIFICATIONOrigin of TimberOnly those species, the heartwood of which is classed as Moderately Durable, Durable, or Very Durable,shall be used, and from these heart that is brittle, soft, or containing dote, shall be entirely excluded.Although the most desirable veneer would consist of heartwood …

Okoume Marine Plywood, manufactured to BS1088.The specie of Okoume has terrific strength to weight ratio, and has proven to be the ideal wood for most of todays boat-builders where a good stable plywood is required for the hulls, sub-decks, or partition/furniture areas. Okoume Marine Plywood 2500 x 1220 x 1.5mmLloyds Registered Approved/BS1088/Title VI Certified Original Source https://www.worldpanel.com/product-page/okoume-bs-1088-marine-plywood-2440x1220mm