WPC Doors vs Aluminium Doors – Which Is Better for Bathrooms in 2026?
Choosing the right bathroom door is more important than it seems. Many Indian homeowners assume that aluminium doors last longer because they’re metal, but the truth is more nuanced. WPC (Wood Polymer Composite) doors are rapidly emerging as the smarter, more durable alternative—especially for bathrooms.
This article breaks down the differences between WPC and aluminium doors to help you make an informed decision for your home in 2026.
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What Are Aluminium Doors?
Aluminium bathroom doors are made with aluminium frames and panels, often paired with fiber sheets, ACP panels, or plastic inserts inside the frame. They are lightweight, corrosion-resistant, and commonly used in commercial and low-cost residential projects.
Pros of Aluminium Doors:
- Resistant to rust
- Lightweight and low maintenance
- Affordable initial cost
Cons of Aluminium Doors:
- Frame dependent – requires aluminium frame; cannot be installed on wood or granite
- Hollow core – only the frame is aluminium, inner panels are weak
- Poor screw grip – hinges and locks often come loose
- No thermal/sound insulation – conducts heat, transfers noise
- Limited design appeal – looks industrial and basic
What Are WPC Doors?
WPC (Wood Polymer Composite) doors are made from a mix of wood fiber and plastic polymer. They are solid-core, high-density doors designed to handle humidity, daily use, and Indian bathroom conditions.At Bright Doors, we manufacture 28MM thick WPC doors with:
UV digital wood texture printingCNC router and groove designsSolid color and matte finishesCustom sizes for perfect frame fitting
Key Differences Between WPC and Aluminium Bathroom Doors
Let’s break down the real differences that matter for your bathroom:
1. Construction
- Aluminium: Only frame is metal; core is particle board/MDF (weak point)
- WPC: Solid core throughout; homogeneous material (no weak spots)
2. Waterproofing
- Aluminium: Frame is waterproof, but core is vulnerable to moisture damage
- WPC: 100% waterproof throughout entire door structure
3. Screw & Hardware Stability
- Aluminium: Soft metal doesn’t hold screws well; frequent loosening required
- WPC: Excellent screw grip; hinges and locks stay secure for years
4. Sound Insulation
- Aluminium: Very poor; thin panels and hollow core allow noise
- WPC: Excellent; dense material blocks 30-40dB of sound
5. Temperature Control
- Aluminium: Conducts heat/cold; uncomfortable to touch; no insulation
- WPC: Non-conductive; warm feel; maintains room temperature
6. Durability
- Aluminium: 3-5 years (core fails first, even if frame is fine)
- WPC: 15-25+ years (solid construction throughout)
7. Maintenance
- Aluminium: High (screw tightening, alignment fixes, eventual replacement)
- WPC: Minimal (just wipe clean occasionally)
8. Design Options
- Aluminium: Limited to standard metallic finishes
- WPC: Wide variety of wood textures, colors, and custom designs
9. Appearance & Feel
- Aluminium: Industrial, cold, metallic look
- WPC: Natural wood appearance, warm, premium feel
10. Cost Over 10 Years
- Aluminium: ₹16,000 per door (including repairs + replacement)
- WPC: ₹0 per door (no maintenance, no replacement)
Comparison Table: WPC vs Aluminium Bathroom Doors
| Feature | WPC Doors | Aluminium Doors |
|---|---|---|
| Waterproof | ✅ 100% waterproof | ✅ Water-resistant |
| Structure | ✅ Solid, high-density core | ❌ Hollow inside; only the frame is metal |
| Durability | ✅ Long-lasting | ❌ May bend or loosen over time |
| Screw Holding Capacity | ✅ Excellent grip for hinges and locks | ❌ Weak grip; screws loosen frequently |
| Sound Insulation | ✅ Very good due to solid core | ❌ Poor due to hollow structure |
| Thermal Insulation | ✅ Stable; does not conduct heat | ❌ Conducts heat; feels hot or cold |
| Design & Aesthetics | ✅ Wood textures, CNC designs, solid colors | ❌ Limited, industrial metallic look |
| Frame Compatibility | ✅ Works with wood, granite, cement & steel frames | ❌ Requires aluminium frame only |
| Maintenance | ✅ No rust, no polish, low maintenance | ❌ May oxidize and need frequent cleaning |
| Lifespan | ✅ 15–25 years | ❌ 3–5 years |
| Value for Money | ✅ High long-term value | ❌ Cheaper initially, costly over time |
Why WPC Is a Better Option for Indian Bathrooms
- Solid core = long life – WPC doors are dense and do not shake, bend, or rattle.
- Versatile installation – can be installed on wood, cement, granite, or steel frames without issues.
- Stylish designs – printed wood textures, solid colors, CNC patterns for a modern bathroom.
- Better insulation – helps maintain temperature and offers quieter experience.
- Strong hardware grip – hinges and locks stay firm even after years.
🔗 Related Read: Why WPC Bathroom Doors Are the Best Choice for Indian Homes in 2026
Final Verdict
While aluminium doors may look like a good idea due to being metal, they come with hidden limitations—poor insulation, weak center panels, and frame dependency. WPC doors, on the other hand, provide strength, aesthetics, versatility, and long-term durability.
For bathrooms that demand daily strength, style, and value, WPC is the clear winner.
👉 Explore Our Collection: WPC Bathroom Doors
FAQ
Which is better for bathrooms – WPC or Aluminium doors?
WPC doors offer better strength, insulation, screw grip, and flexibility in installation, making them more suitable for bathrooms.
Are aluminium doors fully metal inside?
No. Only the outer frame is aluminium. The center panel is made of particle board, MDF, or honeycomb material—not metal. This hybrid construction is why they fail much sooner than people expect.
Do aluminium doors last longer than WPC?
Not necessarily. Aluminium doors bend and loosen over time (3 – 5 years) . WPC doors have a solid build and last 15–25+ years.
Why do aluminium door screws get loose?
Aluminium is a soft metal that doesn’t grip screws tightly. With constant door movement, screws strip the aluminium threads and become loose. You’ll need to tighten them every few months, and eventually, the screw holes become too damaged.
Can aluminium doors work for bathrooms?
They can, but they’re not ideal. The aluminium frame is waterproof, but if moisture enters through gaps, the particle board or MDF core will swell and damage the door. They also provide zero sound insulation.
Do WPC doors cost more than Aluminium?
A high-quality WPC door might have a slightly higher upfront cost than a basic Aluminium frame, but because WPC lasts twice as long and requires no repairs, it is much cheaper in the long run.
How long do WPC doors last compared to aluminium?
WPC doors: 15-25+ years in bathroom conditions
Aluminium doors: 3-5 years (core deteriorates even if frame is fine)
Can WPC doors be installed on granite or wood frames?
Not at all. WPC doors can be easily installed on existing wood, granite, cement, or any type of frame. Aluminium doors, on the other hand, are typically fixed only on aluminium frames and not compatible with other frame types.
Which door looks better for modern bathrooms?
WPC doors offer wood-like finishes, digital prints, and CNC designs. Aluminium doors have a plain, metallic appearance.
Where can I buy WPC doors?
Visit brightdoors.in or contact us via WhatsApp at +91 6366699020. We deliver across India.
