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Marked to IS 1659:2004
GPI 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.
Kesariya
Kesariya Marine Grade Plywood & Block Board
IS 710 marine grade plywood and block board from an ISO 9001:2015 process, with a 25 year guarantee.
- Standard
- IS 710
- Licence
- CM/L-9100074006
- Grade
- Marine
- Formats
- Plywood and block board
- Guarantee
- 25 years
- Certification
- ISO 9001:2015
Check this against the sheet
Marked IS 710 under BIS licence CM/L-9100074006. The same numbers are stamped on every sheet — confirm them on delivery against this page.
Available grades
- Marine (IS 710)
- Available in plywood and block board
Enquire about this product
Rate depends on thickness, grade and quantity. Send the specification — or just the room it is going in — and we will come back within one working day.
Overview
About this product
Kesariya is supplied as both marine grade plywood and block board, marked to IS 710 under licence CM/L-9100074006 from an ISO 9001:2015 certified process.
Having the same marine specification available in both formats is genuinely useful on a single project: plywood for carcass and structural work, block board for the wide shutters and long shelves where a batten core resists sag better.
The range carries a 25 year guarantee, with grade, type, thickness, size and batch details stamped on each sheet for traceability.
Why it is specified
Benefits
- One marine specification covers both plywood and block board needs
- Block board format resists sag on wide shutters and long shelves
- Traceable batch details if a query ever arises
- Long written guarantee on a marine grade product
Features
What the construction gives you
Each of these is a build decision, not a marketing line — and each one changes how the panel behaves on site.
IS 710 marine grade
Licence CM/L-9100074006, boil-tested bonding.
Plywood and block board
One marine specification across both formats.
25 year guarantee
Against manufacturing defects.
ISO 9001:2015
Certified manufacturing process for batch consistency.
Full traceability
Grade, type, thickness, size and batch stamped on the sheet.
Hardwood construction
Dense core suited to damp locations.
| Standard | IS 710 |
|---|---|
| Licence number | CM/L-9100074006 |
| Grade | Marine |
| Formats | Plywood and block board |
| Sheet size | 2440 × 1220 mm and to order |
| Certification | ISO 9001:2015 |
| Guarantee | 25 years |
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Marked and traceable
IS code, BIS licence number, grade and batch stamped on the sheet — check it against what you were quoted.
Consistent between batches
Sourced from ISO 9001:2015 certified processes, so a repeat order behaves like the first one.
Written warranties
Manufacturer guarantees of 25 to 30 years against manufacturing defects across the range.
Answered in a working day
Send a cutting list, a drawing or a photo. Enquiries on a working day are answered the same day or the next.
Enquire
Ask for a price on Kesariya Marine Grade Plywood & Block Board
Tell us the thickness, grade and quantity you need and we will send a current rate with availability, within one working day. Not sure it is the right board? Describe the space and we will confirm it — or point you at a cheaper one that does the job.