Curtains or screens are the key to create the right environment inside the cowhouse. It is important that the total ventilation be calculated and checked on every build project. Ventilation design is subject to the size of the facility, its location, site specific limitations and the size of the herd housed and the time of year mainly used. Expert advise is recommended. Curtains can come fixed and adjustable the latter allows a greater variable of climate control. (summer, Winter) Curtain material is specific to use for cowhouse use, it is not windbreak material, but a specific blend of PVC which allows wind screening and rain diversion