DIY Door Soundproofing Estimator
Pick your existing door and the measures you'll add — perimeter seals, an automatic drop seal, an MLV mass panel, or filling a hollow core — for a realistic dB gain and an indicative ₹ cost. Honest field figures, not lab STC.
Your door & measures
Seal the gaps (do these first)
Add mass
Honeycomb / hollow core. The worst performer, so DIY gives the biggest jump — especially core fill + mass. dB figures are realistic field gains for retrofitting an existing leaf — not lab STC. Sealing air-gaps is always the first and cheapest win. Indicative India 2026 material costs; labour / a carpenter may be needed for the drop seal, mass panel or core fill.
Realistic combined noise reduction
0.0 dB
Clearly quieter — about a third as loud; speech becomes hard to make out.
Gap sealing
6.9 dB
seals + sweep
Added mass
0 dB
MLV / core fill
Materials
₹2,065
incl. GST
dB gain, stacked by measure
- Perimeter acoustic seals+4.4 dB
- Automatic drop seal / door sweep+2.5 dB
Decide: seal it, or replace it?
DesignAI weighs your noise problem, door and budget — and tells you whether DIY sealing is enough or whether a proper acoustic door is the smarter spend.
Go deeper
Assumptions: dB figures are indicative field gains for retrofitting an existing door, not lab STC ratings; real results vary with how square the door is, how tight the frame is, and whether flanking paths (walls, ceiling, ducts) leak. Costs are indicative India 2026 material prices ex-labour; 18% GST applies to goods. Filling a hollow core and bonding a mass panel add weight — check the hinges and frame, and treat this as guidance, not a substitute for a carpenter where fixings are structural.
Related Guides — Deep-dive reading
Soundproof an Existing Door DIY: Cheap Fixes (India 2026)
Seal the gaps, add mass and quieten a noisy room without replacing the door — realistic dB gains, step-by-step, and ₹ costs.
Home Doors & EntrancesNoise Reduction Strategies for Apartments
How to quieten a flat with shared walls, floors and ceilings — what works, what does not, and what needs permission
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How to choose and design a bedroom door for Indian homes — privacy, light-noise control, finishes that match the room, the right 900x2100 internal door, locks and ₹ budget.
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