Vallum FMW 135

Unique drainage design achieves something watertight, airtight and wind load resistance.

Not limited to practical prevention of burglary by hidden handling.

Reasonable cavity design compliment strength requirement and improves efficiency.


Integrated 2-layer design ventilates rooms, and makes window screen preventive against insects/mosquito.

Both inward and outward sash available.

Product Technical

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Detail Section