



BACK FLOW VALVE 5″
it blocks the backinflow of air from the outside through the 5″ vertical vent. It’s fully compatibile to instal in iFLEX pipe 5″
6″ to 5″ REDUCTION
enables connection of a 6″ vertical vent with a 5″ iFLEX pipe

BACK FLOW VALVE 6″
it blocks the backinflow of air from the outside through the 6″ vertical vent. It’s fully compatibile to instal in iFLEX pipe 6″
REDUCTION PYRAMID
enables connection of a 5″ vertical vent with a 4.3″, 4″ and 3″ pipe




What typicly goes wrong and how we designed around it. Turbine roof vents are a common form of passive roof ventilation. They’re simple, require no electricity, and are often chosen for their low upfront cost. At the same time, many building owners and contractors eventually face recurring turbine roof vent problems that affect performance, comfort, […]