The AT1 and AT2 are units which can be used either as roof
ventilators or as air openings, thus allowing the air to enter the
attic. These special models can be built according to your
specifications and the models can be modified to suit your needs.
| A vent which will prevent water or snow infiltrations while at the same time giving a continuous air flow into the attic. |
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| Two dimensions available: (12" X 24") or (18" X 36") | |
| These special models can be built from galvanized painted steel or from any other type of raw material. |
Download a detailed document on the Special Ventilators or Air Openings AT1 and AT2