Astroflame Passive Fire Protection Products

Trade Names: Astro AS Flipper Seal

Acoustic Double Door Seal

Sound Reduction of up to 36dB*

Suitable for Plain or Rebated styles

Easy to install - self adhesive seals

Colour options Black, Brown, White, Light Oak


Astro AS Flipper Seal at Astroflame

View a range of styles

>> See more : Additional product images

>> Call us to order: 01329 844 500

>> Email us to order:


The Astro AS Flipper Seal with a double flipper meeting style seal has been designed for use with either plain or rebated double doorsets, specifically to improve the aesthetics and acoustic properties. It has been tested to show an unaided weighted sound reduction of up to 36dB*. The product is supplied fitted with a high performance self adhesive tape to allow the product to be fitted in position prior to screw fixing and is available in various colours.

Perimeter seal diagram Dimensions:
A: 18.0mm
B: 11.0mm
C: 13.0mm

Door symbols


Acoustic Door Seal Symbol Guide

All seals showing an E Doc symbol and stating a dB rating have been independently tested by an accredited test laboratory in order to obtain the rating stated.

* The actual acoustic performance obtained depends on a variety of factors, such as the door density and any additional threshold & perimeter seals used in conjunction with this product. If in doubt contact us for confirmation.

A slimline 34dB reduction acoustic seal is available here - Quad Flipper Seal

Product Availability

Sold individually in 2100mm lengths

Product Code





Astro AS Flipper Seal




Astro AS Flipper Seal




Astro AS Flipper Seal




Astro AS Flipper Seal

Light Oak


To order & specify

Please contact us and quote the following information - Quantity / Product Description / Product Code / Colour
Typical wording - 10 / Astro AS Flipper Seal / AFASFLIPBLK / Black

>> Tel: 01329 844 500 or >> Email:


For further information on installation requirements please contact the technical team on: tel 01329 844 500 or email

Test and Assessment Reports

Testing undertaken in accordance with BS EN ISO240-3:1995 revealed a timber doorset assembly with no seals fitted around the perimeter of the doorset achieved a Rw 23dB rating. This falls well below the minimum specified in Approved Document E which is 29dB. When tested again with the Astro AS Flipper Seal there was an increase in the performance to Rw 36dB.

Sound Reduction Performance Graph

For additional testing, or technical information please contact Astroflame.

Health and Safety

The product does not present any known health hazards during or after installation. Normal good industrial and personal hygiene practices should be observed. For further information please download the (SDS) Safety Data sheet or please contact the technical team on: tel 01329 844 500 or email

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.

Astroflame (Fire Seals) Ltd. Intumescent House
Unit 8, The IO Centre, Stephenson Road, Segensworth
tel 0800 023 2482
(01329 844500)
fax 0800 023 2483
(01329 844600)
tel +44 1329 844500
fax +44 1329 844600



Email Astroflame