[ Soundproof Door ] Three options to meet your soundproofing needs
Provide a full range of soundproof door solutions to allow you to have a quiet and comfortable living space. Our products are divided into three sub-categories, Let you choose according to your needs and budget.
- Soundproof door optimization (Old door thickened + sealed)
- STC-35 wooden soundproof door
- STC-45 steel soundproof door
[Technical source] Scientific basis | Field experience

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.
- cheapest way
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
Product Safety - Fire Protection
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)

Product safety - harmless
According to the formaldehyde test approved by the Hong Kong Environmental Protection Department (Formaldehyde Emission EN717 Part1)
Passed the Hong Kong Science and Technology Park SGS laboratory inspection (mg/m3=0.05, Super E0 grade)

Safe and effective, model designated by major institutions
- Hotels, government departments, etc. have strict requirements on materials.
- ENA sound insulation and sound absorbing products have been used in the following properties
- 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
-
The engineering company can purchase it individually or install it on your behalf.
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
- The engineering company can purchase it individually or install it on your behalf.
Price list
product items |
product price |
installation fee |
Old door removal costs |
Soundproof door optimization (old door thickening + sealing) 5-pack |
$2980 |
$2980 |
- |
STC-35 soundproof door (wooden door) chain lock + frame |
$13000 |
$2980 |
$2980 |
STC-45 soundproof door (steel door) With airtight lock + frame
|
$17000 |
$2980 |
$2980 |
* * Includes urban shipping fee
**Does not include carrying stairs
* * Does not include outbound shipping charges
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.