Astrodraft Draught Proofing Supplies

Acoustic & Smoke Rated Door Bottom Seals

Trade Names: ASTRO ASDB and AFASSBX Seals

Door bottom seals - drop down type.

Acoustically and smoke tested on proprietary fire doors

Aluminium body with self extinguishing PVC rubber coextruded seal and carrier.

Sound reduction up to Rw 51dB*

Suitable for new and retrofit applications.

Rebated fitting - comes with prefitted screws.

Aluminium finish.

Tested to 200,000 cycles.


Door bottom acoustic and smoke rated seal.

Description

ASTRO ASDB SEAL - Rw 42dB Version

An automatic door bottom seal which is spring loaded to lift clear of the floor as soon as the door leaf is opened by a few millimetres.

An acoustically designed seal for rebated applications. Mounted into a 13mm x 28mm groove that has been morticed into the bottom edge of the door.

It is operated automatically by pressure against the door jamb on its plunger and seals when the door closes and retracts automatically when the door is opened.

 

Approved Document ESymbol Guide Approved Document M

Click here for the face mounted door seal version (for timber ot metal doors).

Tested for durability 200,000 cycles completed without failure for fire rated smoke doors.

Suitable for all types of wooden doors. 14mm maximum drop, Graduated Scissor action (seal drops on hinge side before lock side).

Noise Reduction Index up to Rw 37 dB*

Min/Max Gap: 3mm - 13mm.

Aluminium carrier

Seal easily removed to prevent damage during installation.

Availability

Maximum trimming length 100mm.

Product Code

Description

Colour

Size

AFASDB/330

Astro ASDB Seal - Rebate Fit Version

Aluminium

330mm

AFASDB/430

Astro ASDB Seal - Rebate Fit Version

Aluminium

430mm

AFASDB/530

Astro ASDB Seal - Rebate Fit Version

Aluminium

530mm

AFASDB/630

Astro ASDB Seal - Rebate Fit Version

Aluminium

630mm

AFASDB/730

Astro ASDB Seal - Rebate Fit Version

Aluminium

730mm

AFASDB/830

Astro ASDB Seal - Rebate Fit Version

Aluminium

830mm

AFASDB/930

Astro ASDB Seal - Rebate Fit Version

Aluminium

930mm

AFASDB/1030

Astro ASDB Seal - Rebate Fit Version

Aluminium

1030mm

AFASDB/1130

Astro ASDB Seal - Rebate Fit Version

Aluminium

1130mm

To Order & Specify

Please contact us and quote the following - Quantity / Product Description / Product Code / Colour / Size
Typical wording - 10 / Astro ASDB Seal - Rebate Fit Version / AFASDB/330 / Aluminium / 330mm

>> Tel: 01329 844 500 or >> Email: sales@astroflame.com

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ASTRO AFASDBX DB PLUS SEAL - Rw 51dB Version


An automatic door bottom seal which is spring loaded to lift clear of the floor as soon as the door leaf is opened by a few millimetres.

An acoustically designed seal for rebated applications. Mounted into a 15mm x 28mm groove that has been morticed into the bottom edge of the door.

It is operated automatically by pressure against the door jamb on its plunger and seals when the door closes and retracts automatically when the door is opened.

Surface mount door bottom seal

Tested for durability 200,000 cycles completed without failure for fire rated smoke doors.
14mm maximum drop, Graduated Scissor action (seal drops on hinge side before lock side).

Seal easily removed to prevent damage during installation.

Noise Reduction Index up to Rw 51dB* (DIN EN 20 140 -03)

Min/Max Gap: 3mm - 14mm.

Aluminium carrier

Seal Lengths:
330mm, 430mm, 530mm, 630mm, 730mm, 830mm, 930mm, 1030mm, 1130mm, 1230mm. Maximum trimming length 150mm.

Availability

Maximum trimming length 150mm.

Product Code

Description

Colour

Size

AFASDBX/330

Astro AFASDBX DB Plus Seal

Aluminium

330mm

AFASDBX/430

Astro AFASDBX DB Plus Seal

Aluminium

430mm

AFASDBX/530

Astro AFASDBX DB Plus Seal

Aluminium

530mm

AFASDBX/630

Astro AFASDBX DB Plus Seal

Aluminium

630mm

AFASDBX/730

Astro AFASDBX DB Plus Seal

Aluminium

730mm

AFASDB/830

Astro AFASDBX DB Plus Seal

Aluminium

830mm

AFASDBX/930

Astro AFASDBX DB Plus Seal

Aluminium

930mm

AFASDBX/1030

Astro AFASDBX DB Plus Seal

Aluminium

1030mm

AFASDBX/1130

Astro AFASDBX DB Plus Seal

Aluminium

1130mm

AFASDBX/1230

Astro AFASDBX DB Plus Seal

Aluminium

1230mm

To Order & Specify

Please contact us and quote the following - Quantity / Product Description / Product Code / Colour / Size
Typical wording - 10 / Astro AFASDBX DB Plus Seal / AFASDBX/330 / Aluminium / 330mm

>> Tel: 01329 844 500 or >> Email: sales@astroflame.com

Seal easily removed to prevent damage during installation.

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DB SEAL EXTENSION

Rebated drop-down door seal with flush bolts. ASTRO AFASDBX/FBEXT
AFASDBX/FBBOLT

A unique solution to fitting rebated flush bolts in conjunction with drop down seals.

The DB SEAL Extension works as an extender with the Astro DB Seal Plus drop down seal.

10mm maximum drop and the seal is manually lowered on the handle side.

Also available are 150mm Stainless Steel Flush Bolts (AFASDBX/FBBOLT) with radiused ends designed to work with the DB Seal Extension. Suitable for double leaf timber doors.

Acoustically and smoke tested on proprietary fire doors.

Noise Reduction Index Rw 35dB. Dimensions and Schematic Diagram.

Dimensions and schematic of rebated drop-down door seal with flush bolt

Product Availability

Product Code

Description

AFASDBX/FBEXT

Astro DB Seal Plus Extension

AFASDBX/FBBOLT

Astro DB Seal Plus Flush Bolt

To Order & Specify

Please contact us and quote the following - Quantity / Product Description / Product Code
Typical wording - 10 / Astro DB Seal Plus Extension / AFASDBX/FBEXT

>> Tel: 01329 844 500 or >> Email: sales@astroflame.com

Test and Assessment Reports

* The sound reduction rating will vary depending on the door density and any additional threshold & perimeter seals used in conjunction with this product, contact Astroflame for confirmation before specifying.

Seals have been tested without threshold plates and also straight down to carpet.

For additional testing, or technical information please contact Astroflame.

Installation

For further information on installation requirements please see the installation video or contact the technical team on: tel 01329 844 500 or email sales@astroflame.com

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As part of our policy of ongoing improvements, we reserve the right to modify, alter or change product specifications without giving notice. Product illustrations are representations only. All information contained in this document is provided for guidance only, and as ASTROFLAME FIRESEALS LTD has no control over the installation methods of the products, or of the prevailing site conditions, no warranties expressed or implied are intended to be given as to the actual performance of the products mentioned or referred to, and no liability whatsoever will be accepted for any loss, damage or injury arising from the use of the information given of products mentioned or referred to herein.


The above information to the best of our knowledge is true and accurate and based upon current test data and is supplied for your guidance only. Customers should satisfy themselves to the suitability of the product in its intended use and no guarantee is given or implied since the conditions of actual use are beyond our control. ASTROflame (Fireseals) Ltd, disclaim any liability for loss, damage or other expense arising from the use of information, data or products mentioned or referred to and reserve the right to change any details or specifications without notice.

 

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