Ventilation blocks

Ventilation blocks - the best solutions

Ventilation blocks are materials used to build gravity ventilation ducts. Thanks to the proper arrangement, they ensure natural ventilation of rooms on a given object. Worn, contaminated air is replaced with clean outside air. Their production consists of many variants and materials. If you are looking for materials that will help you in the renovation or construction of a ventilation duct, we invite you to familiarize yourself with our attractive offer of the Mal-Drew online store.