The design prevents moisture stress from rainwater on the exterior wall. It incorporates a bitumen sheet that dampens the resonance of the piece and enhances sound insulation. The wind grille can be adapted to fit 80 mm, 100 mm, 125 mm, or 160 mm pipes using an adapter.
Size
140 x 140 mm
195 x 195 mm
Do you have any questions about Velco supply air valves or need assistance with topics such as valve placement or procurement? We are here to help!
Phone. 09 477 8940
velco@velco.fi
Open Mon – Fri 8.00 AM – 16.00 PM
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