Home > Companies > Lorient Polyproducts Ltd > LAS9010 Flush Bolt and Drop Seal

Security flush bolt for double leaf doors to secure the inactive leaf. It is activated by a discreet Lorient branded lever, that drops the bolt into a sleek keep in the floor. Specifically designed for use with the rebated, high-performance drop seal; together they provide combined security, with acoustic, smoke and energy containment at the bottom of the door. Classified to BS EN 12051.

Features and benefits:

  • LAS9010 is a security device, its unique wrap-around shape of bolt enhances security.
  • Flush bolt integrates seamlessly with the drop seal; no extra kits required.
  • Smooth locking action with branded levers.
  • Does not penetrate the drop seal gasket.


For double swing doors, on both right and left-handed doors for the bottom or top of the door to secure the door leaf, and protect against sound, smoke, fire, draught, light and insects.

Standard product features


  • Flush bolt: Brushed stainless steel.
  • Drop seal: silicone rubber.


  • Flush bolt: 24 x 242 mm (w x h).
  • Flush bolt bottom plate: 40 x 50 x 2 mm (w x l x h).

Suitable gap width:

1–13 mm.


Semi-mortised onto the top or bottom of the door, fixing screws are supplied.


  • Acoustic (to BS EN ISO 10140-1): Up to 41 dB.
  • Fire resistance (to BS 476-20 and BS 476-22): Up to 60 minutes (when combined with an FD60 door).
  • Durability: 50 000 cycles.


Drop seal length:

Can be cut to length.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-25-18/440 Single point bolts
45-75-40/430 Door and window weatherstrips and seals

Product specification

An important note about specifying



Lorient Polyproducts Ltd


+44 (0)1626 834252

Product reference

LAS9010 Flush Bolt and Drop Seal - For 20–40 mm gap width, 40 mm high brush seal.

Drop seal

 - Length:
[335 mm]
[435 mm]
[535 mm]
[635 mm]
[735 mm]
[835 mm]
[935 mm]
[1035 mm]
[1135 mm]
[1235 mm]

Colour/ Finish


Manufacturer details

Endeavour House,
Fairfax Road,
Heathfield Industrial Estate,
Newton Abbot,
Devon, TQ12 6UD
Tel +44 (0)1626 834252
Fax +44 (0)1626 833166
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