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

Original Source https://www.marine-plywood.us/mahogany_okoume.htm Species Okoume MahoganyThicknessPrice Per Sheet1 to 5 sheets Okoumesee below for quantity discountsBS1088Lloyd’s Register Type ApprovedJoubertOkoumeRotary cut4′ x 8′ Premium2 sidedMarine Grade We turned off our shopping cart.  Contact us for a quote.1.5mm (1/16″)(Mourikis brand)$95.00    (No discount.Contact for large qty)2mm (5/64″)(Mourikis brand)$90.00(No discount.Contact for large qty)3mm (1/8″)$56.00 ~ 2.7mm Mourikis $63.00  ~ 3mm Joubert4mm (3/16″)Joubert$68.00(Low inventory.No Discount)5mm (0.2″)(Mourikis brand)Out of stock6mm …