BL050 and BL050D Glazing and Curtain Walling Louvre Panels

Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Made to customer sizes

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The louvre comprises louvre blades inclined at 45° and mounted at 50mm pitch within 50mm deep frame. Galvanised bird screen supplied as standard. Frames are provided with a 28mm or 32mm glazing edge to the perimeter for insertion into standard curtain walling or glazing systems.

The glazed-in louvre system is available as standard with our standard BL050 louvre blade, or where are higher level of weather protection is required, the BL050D louvre system is also available in a 28mm edge frame.  For deeper glazing systems, our 28mm and 32mm products can be packed out to cover most requirements.

Louvre sizes made to suit customer requirements.


Fixes directly into curtain walling glazing system in place of glass.


  • Insect Screen
  • Blanking Panels (single skin plate or insulated blanking panel)
  • Vermin Guard
  • Alternative frame depths (30mm, 36mm, etc)


  • Mill finish as standard (untreated and unpolished aluminium)
  • Polyester Powder coatings to any standard RAL or BS 4800 range colours
  • Special finishes available on request
  • Anodised finishes

Recommended maximum. size for a single unit: 1200 x 2500 for 50mm deep system . Up to 2000 x 2000 for the 50D system

Nominal free area: BL050 type –  51.8% with bird guard fitted.  BL050D type – 51.2% with bird guard fitted

Maximum BSRIA weather test rating  (simulated rainfall of 75mm/hr, wind speed of 13m/sec) :

BL050 F028G     96.95% (Class B) with bird guard fitted

BL050D F028G   99.49% (Class A) with bird guard fitted


BL050 glazing frame louvres

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