Big Door · 120 Cm X 205 Cm X 22 Cm Big Door
Engineered for Security · Designed for Life
Secure Your Space with Strength & Style
Premium steel doors built for safety, durability, and design excellence. Trusted by homeowners and businesses across Kerala.
70mm
Door leaf thickness
5 Yrs
Fittings guarantee
100%
Steel construction
1 S BIG 1080
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Enhanced Security
Double lyre seated strip & heavy-duty frame
Precision Build
1.2mm – 2mm structured door frame
Designer Finishes
Powder coating & heat transfer paint
Your Trusted Steel Door Partner
Built for Protection.
Designed for Modern Living.
D21 Doors offers premium steel security doors that combine advanced technology with timeless design. Sound and dust proof, anti-corrosive, and free from climatic deformation — unlike wood.
- ✓ Cold roll steel & GI sheet construction
- ✓ Door leaf thickness 70mm / 50mm options
- ✓ Easy installation with 5-year fittings guarantee
- ✓ Custom sizes to fit any space perfectly
Our Collection
Featured Products
Big Door · 110 Cm X 205 Cm X 22 Cm Big Door
1 S BIG 1081
Small Door · 99 Cm X 205 Cm X 10 Cm Small Door
1 S SMALL 1082
Small Door · 96 Cm X 205 Cm X 10 Cm Small Door
1 S SMALL 1083
Small Door · 90 Cm Without
1 S SMALL BED ROOM DOOR 1084
Big Door · 99 Cm X 205 Cm X 22 Cm Big Door
2 S BIG 1091
Small Door · 96 Cm X 205 Cm X 10 Cm Small Door
2 S SMALL 1092
Small Door · 90 Cm Without
2 S SMALL BED ROOM DOOR 1093
Why Choose D21
Uncompromising Security.
Unmatched Craftsmanship.
Custom Sizes Available
Fit any space perfectly
From 80cm to 160cm widths, we manufacture doors tailored to your exact measurements. No compromises on fit or finish.
Heavy-Duty Build
Tested for maximum durability
Cold roll steel and GI sheet with structured frames from 1.2mm to 2mm. Built to withstand years of daily use and harsh climates.
Enhanced Security
Peace of mind guaranteed
Double lyre seated strips, premium locks, and reinforced hinges. Sound and dust proof with anti-corrosive coating.
Technical Specifications
Door Leaf
70mm / 50mm
Frame Thickness
1.2mm – 2mm
Side Leaf
0.5mm – 1mm
Material
Cold Roll Steel & GI
Finish Options
Powder Coat / Heat Transfer
Warranty
5 Years on Fittings
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