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BY-ATP-007

Threshold has a clearance of .5" which creates a barrier against dirt, dust, drafts and light infiltration.
This threshold is wheelchair accessible. Available in stainless steel finish and length is custom cut to size.

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BY-DF-001

Perimeter Seal/ Acoustic and Smoke Seal YB-DF-001 is an aesthetically designed, compact perimeter seal, proven to be effective acoustic, cold smoke, light and weather seals. YB-DF-001 can be installed in lieu of a door stop on both steel and timber door frames (where frames are non fire-rated). The fixing holes are pre-drilled and slotted to allow the seal to be adjusted and positioned accurately.

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BY-TSS1212

These Acoustic and Smoke door corner seals are fitted in the rebate of a door frame to contain smoke, sound, draughts, dust and light. Strategically located in the impact free zone, the seal adheres to the frame quickly and easily without having to remove the door.

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BY-DF-002

Door Frame Seal/Perimeter Seal /Acoustic and Smoke Seal YB-DF-002 is a popular slim-line, door frame perimeter seal, designed to be fitted to an existing door stop, around the head and jambs of single swing doors.
The aluminium carrier has fixing holes pre-drilled and slotted to allow the seals to be adjusted and positioned accurately. A decorative cover strip is supplied to conceal these fixings.

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BY-DF-011

This is an acoustic,smoke astragal. Its proven design is affective in sealing the meeting stiles of plain or rebated double doors.Its aluminium trim neatly conceals the sealing portion of the seal and provides a secure weatherproof rebate stop.

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BY-DF-007

These corner seals are fitted in the rebate of a door frame to contain smoke, sound, draughts, dust and light. Strategically located in the impact free zone, the seal adheres to the frame quickly and easily without having to remove the door.

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BY-DF-008

This self-adhesive, silicone teardrop door seal is a simple and cost effective way of creating an airtight seal along the perimeter of your door frame. Perfect for aesthetically sensitive doors or door frames, this non-invasive soundproof gasket will satisfy your basic soundproofing needs.

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BY-DF-006

Acoustic and Smoke Single Fin Seal designed to restrict noise, smoke and air movement. The seals are manufactured from co-extruded PVC and offer excellent deflection and a high memory recovery rate. Available in white, brown or black.

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BY-DF-020

These self-adhesive acoustic smoke seals are fitted in the rebate of a door frame to contain smoke, sound, draughts, dust and light. Strategically located in the impact free zone, the seal adheres to the frame quickly and easily without having to remove the door.

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BY-DF-005

Acoustic and Smoke Twin Fin Seal designed to restrict noise, smoke and air movement. The seals are manufactured from co-extruded PVC and offer excellent deflection and a high memory recovery rate. Available in white, brown or black.

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BY-DDS-020

Door Sweep Seal / Under Door Sweep Seal l using high-quality pvc soft and hard composite materials for co-extrusion making,weatherproof,
dustproof, anti-mosquito, cheap, super good quality, it has been with overseas countries to establish friendly and cooperative relations.

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BY-AADS-A

The Acoustic Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set . A medium duty, concealed automatic door bottom seal which is mortised into the bottom edge of single action doors. It operates automatically by a spring loaded mechanism which lifts the seal clear of the floor as soon as the door is opened. The sealing gap in 3mm-13mm.

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BY-ADDS-B

The Acoustic Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set . A medium duty, concealed automatic door bottom seal which is mortised into the bottom edge of single action doors. It operates automatically by a spring loaded mechanism which lifts the seal clear of the floor as soon as the door is opened. The sealing gap in 3mm-13mm.

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BY-ADDS-C

The Acoustic Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set . A heavy duty, concealed automatic door bottom seal which is mortised into the bottom edge of single action doors. It operates automatically by a spring loaded mechanism which lifts the seal clear of the floor as soon as the door is opened. The sealing gap in 3mm-13mm.

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BY-ADDS-D

The Acoustic Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set . A heavy duty, concealed automatic door bottom seal which is mortised into the bottom edge of single action doors.

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BY-ADDS-F

The Glass Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set . A medium duty, concealed automatic door bottom seal which is fix on the bottom edge of glass doors. It operates automatically by a spring loaded mechanism.

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BY-ADDS-G

The Acoustic Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set . A light duty, concealed automatic door bottom seal which is mortised into the bottom edge of single action doors. It operates automatically by a spring loaded mechanism which lifts the seal clear of the floor as soon as the door is opened. The sealing gap in 3mm-13mm.

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BY-ADDS-H

Specifically designed and manufactured , the new type has seen a raft of improvements that make it the perfect choice for sealing existing doors.
Clever design changes to the fixing method allow for the product to be fitted to either the inward or outward face of a door in minutes, enhancing
the comfort of any space whether it be an office, living area, school or hospital.

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BY-AADS-I

A heavy duty, mortised, automatic ‘flat back’ drop seal to suit installation to metal door rails. It features a high efficiency mechanism, which lifts the seal clear of the floor as soon as the door is opened by a few millimetres; resulting in lower door operating forces. Requires no power connection. Self-levelling on uneven floors; seal height can be adjusted independently of fixing screws.

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BY-ADDS-S

An adjustable, surface automatic door bottom seal, which is spring, loaded to lift clear of the door when the door is opened. Operated automatically by pressure against the doorstop on its adjusting screw and incorporates concealed fixings.

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BY-ADDS-Y

The heavy duty Acoustic Door Drop Seals are designed for the gap between the door bottom and floor, it provides an excellent barrier to airborne sound and helping to ensure that the acoustic attenuation provided by a door set . Concealed automatic door bottom seal which is mortised into the bottom edge of single action doors.

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BY-NFS2020

Intumescent Fire Door seal is based on expansion graphite, it is used for fire door and window or any place to prevent fire, smoke & acoustic through out, Obtained both integrity and insulation rate as required. Which easy to cut and with good quality adhesive tape.Unaffected by moisture, humidity, atmospheric pollution and other common industrial and household chemical substance.

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BY-NFS1010

The Intumescent Fire Door seal is based on expansion graphite, it is used for fire door and window or any place to prevent fire, smoke & acoustic through out, Obtained both integrity and insulation rate as required. Which easy to cut and with good quality adhesive tape.Unaffected by moisture, humidity, atmospheric pollution and other common industrial and household chemical substance.

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BY-NFS1520

The Intumescent Fire Door seal is based on expansion graphite, it is used for fire door and window or any place to prevent fire, smoke & acoustic through out, Obtained both integrity and insulation rate as required. Which easy to cut and with good quality adhesive tape.Unaffected by moisture, humidity, atmospheric pollution and other common industrial and household chemical substance.

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Sales office Name:Hangzhou Biyou Building Materials Technology Co., Ltd.
Address: 601, Floor 6, Building 1, 380 Jiangnan Avenue, Binjiang District, Hangzhou, Zhejiang, China

Factory Name:Hebei Biyou New Material Technology Co.,Ltd
Address: South of Hanjiang Street and East of Yulongshan Road, Qinghe County,Xingtai City,Hebei Province

Attn: Kira Ma
Tel: 0571-8699 5691

Whatsapp/ Wechat: +86 18367930013

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