Learn more on our website: [ Ссылка ]
More and more cold room owners upgrade their cold room doors with such insulated pvc farbric rapid roll up door. Such door can open and close within several seconds, reducing cold air leaking time to minimum. And it can automatic close itself. This solve problems of workers keeping door open after passing.
And its door curtain are sandwich structure filled with insulation wool. After door closed, it can also reduce heat trandustion.
Ещё видео!