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TD5 Teardrop Seal
flexifin_insetFlexifin Fitted

TD5 Teardop

Designed for simplicity of installation and retrofit, the self- adhesive semicircular TD5 Teardrop Seal can be quickly located and fixed both on wooden and steel doors. In addition to providing an effective barrier against the spread of sound, cold smoke and draught, it also offers stopping and buffering properties.

  • Easy to fit
  • High-tack self-adhesive
  • Retrofit design
  • No machining required
  • Compression seal
  • Available in a variety of colours
  • Supplied in lengths up to 3m



Technical Information

Full fixing instructions supplied with the product.
Please contact our Technical Team if you require additional advice.


Decibel Rating = 29dB when combined with the DD1 Acoustic Threshold Seal (BS EN ISO 140-3:1995)
Decibel Rating = 32dB when combined with Flexifin Twin and the DD1 Acoustic Threshold Seal (BS EN ISO 140-3:1995) (BS EN ISO 717-1:1997)
Smoke Leakage Rate @ +25pa = 0.50 m3/m/h (metre cubed per metre of joint per hour) (BS 476 Part 31.1)

Acoustic performance test

  • 44mm Strebord Firecheck door in a maple frame
  • Head and jambs fitted with TD5 Teardrop Seal
  • DD1 Acoustic Threshold Seal installed

TD5 Teardrop Seals are  available in a variety of  colours and provide excellent sound reducing performance, especially when combined with Flexifin.


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