Description
test test

test test
The circular weather louvre – 100mm diameter, is designed to use where a hole is the preferred means of perforating the outer skin of the building.
The weather louvre – 260*125mm is designed to use in standard brickwork, either face finished or rendered.
This lathe plate is designed to be used to assist rendering around a 100mm diameter penetration in a wall air inlet to any of the acoustic ventilators.