Surface Mounted Acoustic Drop Seals

• Material: Alu,Silicon
• Min / Max Gap: 3-13mm
• Seal Color: Black,Grey
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: BY-ADDS-U
• Suface Finish: Aluminium Anodised 15 Microns
• Location: Install on The Bottom of Single or Double Doors
• Funtion: Prevents Fire or Smoke Spreading Across Various Fi
• Advantage: Soundproof Smoke and Fire Prevention
• Transport Package: 30PC/Carton
• Specification: 380-1200mm
• Trademark: BY
• Origin: Zhejiang
• HS Code: 732690
• Production Capacity: 5000PC
• Package Size: 100.00cm * 90.00cm * 90.00cm
• Package Gross Weight: 50.000kg

Product Description

Product Description

Area of application

For soundproofing doors (DIN 4109)
for fire resistant and smoke control doors (BS and UL certified)

Material

Carrier: Aluminium
sealing profile: Silicone, self-extinguishing

Finish

Carrier: Unfinished
sealing profile: Grey

Version

With single-side or double-side release (optional)

Sound proofing value

42 dB with 7 mm floor gap

Sealing height

≤11 mm

Installation

For full mortice fitting
with mounting bracket

Installation dim.

Groove: 16x 30mm

Mounting

For DIN left hand and DIN right hand use

Cutting Back Length 
 

Seal Length	Cuts back to
1220mm	1070mm
1070mm	920mm
920mm	820mm
820mm	600mm
600mm	380mm
380mm	295mm

Product Features

Supplied with

1 retractable door seal

2 mounting brackets with screws

2 release plates with screw

Accessories 

Package and delivery










Our company

Our factory established in 2005 in Hebei Province China.Hangzhou Biyou Building Materials Technoloy Co.,Ltd is the sole International Sales office .We are dedicated to delivering one stop protection to fire,smoke&acoustic,draught seal.We have achieved the leading advantages by implementing the strategies. 


FAQ

Q1. Are you a manufacturer or trading company?

A1:We are an International trading company also is a professional door and windows seal,fire and acoustic seal products manufacturer with more than 20 years experience for domestic and International market.

Q2. What is payment method?

A2: For samples: T/T, western union.

For orders: We prefer T/T, other ways should be confirmed first. For new customer,30% advanced payment before producing ,70% before delivering usually.

Q3. Do you offer free samples?

A3: Free samples are available .

Q4. Do you offer OEM service and can you product as our drawings?

A4: Yes, we can customize according to your drawing or make drawing according to sample as your requirement.

Q5. Do you accept our design on boxes?

A5: Yes. We accept.

Q6. What's your delivery time?

A6: Generally, we will arrange shipment within 7-30 days after receiving the deposit and according to your purchasing quantities .

Q7. How do you control the quality?

A7: We will arrange sample confirmation before production if you need . During the production, we have professional QC staffs control the quality and manufacture in accordance to your confirmed samples. Welcome your visit to factory.