Below is a clear, text-based decision flowchart you can use on site to pick the exact plywood grade + thickness based on room type + furniture purpose.
🧭 PLYWOOD SELECTION DECISION FLOWCHART
▶ STEP 1: Identify the ROOM / AREA
Is the furniture in a WET or HUMID area?
(kitchen, bathroom, sink area, utility, near window/external wall)
➡ YES → Go to STEP 2A
➡ NO (Dry area) → Go to STEP 2B
▶ STEP 2A: WET / HUMID AREA
Is there DIRECT water contact?
(sink cabinet, bathroom vanity, washing area)
➡ YES
✅ BWP (Marine Grade) Plywood
Carcass / Body → 18–19 mm
Shelves → 18 mm
Shutter → 18 mm
Back panel → 9 mm
Example:
🟢 Kitchen sink cabinet → BWP 18 mm
➡ NO (Only moisture / steam / humidity)
✅ BWR Grade Plywood
Base cabinet → 18 mm
Wall cabinet → 16–18 mm
Shelves → 18 mm
Back panel → 6–9 mm
Example:
🟢 Kitchen wall cabinet → BWR 16–18 mm
▶ STEP 2B: DRY AREA (Bedroom / Living Room)
Is the furniture LOAD-BEARING or HEAVY USE?
(bed, wardrobe, heavy storage)
➡ YES
✅ MR Grade (Good quality) or BWR (for longer life)
Structure / Body → 18–25 mm
Shelves → 18 mm
Back panel → 6–9 mm
Example:
🟢 Wardrobe → MR 18 mm
🟢 Storage bed → MR/BWR 18–25 mm
➡ NO (Light / Decorative furniture)
(TV unit, study table, display unit)
✅ MR Grade Plywood
Main body → 18 mm
Drawers / partitions → 12 mm
Back panel → 6 mm
Example:
🟢 TV unit → MR 18 mm
🪑 QUICK READY-REFERENCE GUIDE
Furniture Item Grade Thickness :-
1. Wardrobe MR / BWR 18 mm
2. Kitchen base cabinet BWR / BWP 18 mm
3. Kitchen sink unit BWP 18–19 mm
4. Bathroom vanity BWP 18 mm
5. Bed (storage) MR / BWR 18–25 mm
6. TV unit MR 18 mm
7. Study table MR 18–25 mm
🔑 GOLDEN RULE (SITE TIP) :-
1. Wrong grade fails faster than thin thickness
2. Always upgrade grade first, then thickness.
