Ena Acoustic
Acoustic Door Soundproof STC-35 STC-45 Steel and Fireproof
Acoustic Door Soundproof STC-35 STC-45 Steel and Fireproof
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Acoustic Door
Three options to meet soundproofing needs.
We offer a comprehensive range of soundproof door solutions to create a quiet and comfortable living space. Our products are divided into three sub-categories, allowing you to choose according to your needs and budget:
- Original Door Optimization (Old door thickened + sealed)
- STC-35 wooden soundproof door
- STC-45 steel soundproof door
Technical Source
Scientific basis, Field experience
Mandarin Oriental Hotel Rooms
Option 1: Thick old door + seal
- Paste 2 layers of sound insulation material on the original door
- The top layer is ENA NE-100 sound insulation cotton, and the bottom layer is NE-200 sound insulation blanket.
Five-in-one package
Can be DIY or installed by us
product | Specification Quantity | Function Description |
---|---|---|
ENA NE200 Soundproof Blanket | 1 x 10m roll | Thick sound insulation blankets can effectively reduce noise penetration and improve the sound insulation performance of the door. |
ENA NE100 sound absorbing panel | 25 pieces (30x60cm) | Sound-absorbing panels can absorb and eliminate reflected sound, reduce indoor echo, and improve indoor sound quality. |
Selly nail glue | 4 sticks | Make sure the acoustic panels and blankets are securely fastened to the door. |
Double sided tape | a roll | Install sound-absorbing panels and insulation strips easily and quickly. |
Ena Mute door gap soundproofing strips | 9mm x 6 meters | Effectively prevent noise penetration in door gaps and improve the overall sound insulation effect. |
Actual measurement
of the effect after optimization
British Standard (Fireproof)
SGS Laboratory Certification.
Based on fire protection tests approved by the Hong Kong Fire Services Department (British Standard BS-476-6 Fire Retardant Requirements for Walls and Ceilings)
Passed Hong Kong Science and Technology Park SGS laboratory inspection (I=6.4, Class 0 requirements)
EU standards (Harmless)
(Formaldehyde emission EN717 Part1)
(mg/m3=0.05, Super E0 grade)
US standards (Effective)
(Sound absorption performance ASTM C423-23)
(aw=0.36, NRC=30%)
Safe and effective,
model designated by major institutions
- ENA sound insulation and sound absorbing products have been used in the following properties
- Attached are documents and photos of relevant usage records.
- You can use it safely even in places where licensing is required.
Option 2: STC-35 wooden soundproof door
- 35 decibels of sound insulation
- High-quality wooden materials, environmentally friendly and durable
- The set includes wood, door frame, threshold, and lock
Option 3: STC-45 steel soundproof door
- 45 decibels of sound insulation
- High quality steel, strong and durable
- The package includes wood, door frame, threshold, and airtight soundproof lock
Combined with the full range of Ena,
the effect will be much better
- All sound insulation products have passed safety certification
- Experimentally tested and proven safe and effective

Frequently Asked Questions Q&A
1. Which three options can meet my sound insulation needs?
Answer: We offer three options: Option 1: Old door thickening + sealing; Option 2: STC-35 wooden soundproof door; Option 3: STC-45 steel soundproof door.2. Option 1: What are the advantages of thickening + sealing the old door?
Answer: Option 1 is the cheapest method. You can paste 2 layers of sound insulation material on the original door to improve the sound insulation performance.3. Option 2: What are the characteristics of STC-35 wooden soundproof door?
Answer: STC-35 wooden soundproof door has a sound insulation effect of 35 decibels, uses high-quality wooden materials, is environmentally friendly and durable.4. Option 3: What are the characteristics of STC-45 steel soundproof door?
Answer: STC-45 steel soundproof door has a sound insulation effect of 45 decibels. It uses high-quality steel and is strong and durable.5. What are the prices of the three options?
Answer: Soundproof door optimization (old door thickening + sealing): $2980; STC-35 soundproof door (wooden door): $13,000; STC-45 soundproof door (steel door): $17,000.6. What are the installation costs for the three options?
A: The installation cost for all three options is $2980.7. Is shipping included?
A: Shipping fee is included.8. Is the cost of moving stairs included?
Answer: The cost of moving the stairs is not included.9. Is the off-island shipping fee included?
Answer: The outbound shipping fee is not included.10. What products need to be purchased when using Plan 1?
Answer: The set includes five products: ENA NE200 soundproof blanket, ENA NE100 sound-absorbing panel, Selly nail glue, double-sided tape and Ena Mute door gap soundproof strips.Share



