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GPIGPI ISI Certified Block Board (Boric Acid Treated)
IS 1659:2004 block board in 19 and 25 mm, boric acid treated, available in MR and BWP core grades with a 25 year guarantee.
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Softwood batten core, IS 1659
Block Boards
Block boards built on a softwood batten core and marked to IS 1659 — lighter and stiffer than plywood over a long span, which makes them the better choice for wide shutters and unsupported shelving.
The range
1 product in Block Boards
Every panel is marked with its grade and licence details. Tell us the application and we will confirm the right specification.
GPISpecifying block boards
What to know before you order
A block board's core is solid softwood battens laid edge to edge, faced with veneer both sides. The result is lighter than plywood of the same thickness and resists sagging better over a long unsupported run.
That makes it the standard choice for tall wardrobe shutters, door leaves, long shelves and table tops — anywhere the panel spans a distance and weight matters.
Boric acid treatment gives natural resistance to termite and borer attack through the full thickness of the core.
Need a price on block boards?
Send us the thickness, grade and quantity. We will come back with a current rate and availability.