Home > Companies > Lorient Polyproducts Ltd > LAS1002 si, LAS1005 si and LAS1009 si Compression Seals

Durable, kerf-fitted bulb seals of varying sizes for doors and window frames, providing a compression seal. They are lightweight, flexible and quick and easy to install.


For head and jambs of single swing doors to protect against sound, smoke, draught and light. Can be used with practically any threshold seal.

Related literature

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Standard product features


Flexible silicone rubber.


100 m reel.


Interference fit into a kerf 2 mm wide and minimum 4 mm deep.

Acoustic performance (to BS EN ISO 10140-2):

up to Rw 30 dB.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
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

[LAS1002 si Compression Seal]
For 4–6 mm gap width, 7 mm diameter bulb.
[LAS1005 si Compression Seal]
For 3–4 mm gap width, 5 mm diameter bulb.
[LAS1009 si Compression Seal]
For 5–8 mm gap width, 9 mm diameter bulb.


[Dark brown]
[Special order]
Insert requirements.

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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