Raven RP38Si - Automatic Threshold Seal

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Product Features

To Order & Specify

  • Heavy duty, automatic action, door bottom seal.

  • Tested to 1 million cycles.

  • Six sizes from 450mm to 1500mm.

  • Can be cut to exact size required.

  • Satin Anodized Aluminium.​​​​​​​

For all Enquiries about this product please contact us:

Please quote - Quantity | Trade name | Product Ref | Colour | Size

Typical wording - 

10 | Raven RP38Si - Automatic Threshold Seal | ADRP38Si/450 | Aluminium anodised | 450mm




Once your order is received we will phone to confirm all details. For in-stock items orders received before 3pm (Monday-Friday) are dispatched for delivery on the following working day (Monday-Friday).

Product Description

A medium temperature smoke door bottom seal, with an extruded silicon sealing component. Adjustable for left and right handed operation. Spring loaded to lift clear off the floor as soon as the door leaf is opened by a few millimetres. Self levelling seal operates automatically by pressure against the door jamb on the adjusting screw. Seals when the door closes and retracts automatically when the door is opened. The Raven RP38Si can be face mounted or semi-morticed in proprietary fire doors.

Product Information

  • Location Single or double butt hinged door bottoms. Minimum door thickness 50mm for rebated meeting stiles and 40mm for plain meeting stiles (for semi mortice).

  • Min/Max Gap 3mm to 13mm.

  • Seal Sizes (mm): 1500, 1220, 1070, 920, 610, 450. Seals can be cut back to exact size.

  • Standard Finish Aluminium anodised 15 microns. Satin Clear (Silver)

  • Seal Material Silicon Rubber (SE) (Grey).

  • Fixing Method Zinc plated, cross recess S.T. screws of the appropriate size and colour are supplied. Escutcheon plates supplied.

  • Adjustment Has screw for sealing action adjustment.

  • Replacement Seal RP338Si.


For further information on installation requirements please contact the technical:



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 on health and safety requirements please contact the technical team on:



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 Astrodraft (part of the Astroflame (Fire Seals) group) 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. Astrodraft (part of the Astroflame (Fire Seals) Ltd group), 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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Astrodraft is part of the Astroflame Group has undergone an extensive quality and reliability programme to ISO 9001:2015 Approved quality management system.