Description
For supply or extract air, designed to offer weather protection to roof-top openings.
Neat welded mitred corners and an all welded concealed frame ensure maximum rigidity, whilst an attractive appearance is completed with its pitch roof construction.
Construction
Aluminium construction with high performance weather louvres.
Extruded aluminium sections, frame 3.0mm – 5.0mm thick, with 1.6mm thick Blades. Aluminium roof 2mm thick, fully welded construction.
Size and Weight
There are virtually no size constraints as large units are produced in multiple sections.
Average weight: 60.0kg/m3.
Average free area: 50%.