What is PVC Ducting Black used for?
PVC Ducting Black is flexible, light-proof ventilation ducting used in grow tents, grow rooms, and general ventilation systems. It’s ideal for intake, exhaust, and heat or humidity removal where light leaks need to be prevented.
How is PVC Ducting Black different from standard foil ducting?
It features a black PVC outer layer that’s more tear-resistant, fully light-blocking, and holds its shape better. Its “memory duct” structure reduces floppiness and makes routing easier compared to silver foil ducting.
Does PVC Ducting Black reduce noise?
Yes—its tighter construction and smoother interior reduce turbulence and airflow noise compared to cheap foil ducting. However, it won’t silence fan motor hum. For max quiet, pair it with a silencer and high-quality fan.
What sizes and lengths are available?
It’s available in 100mm, 125mm, 150mm, 200mm, and 250mm diameters, with each piece measuring 4.5 metres long. Use the same-size duct clamp for each diameter to ensure a secure fit to fans or filters.
Can I cut PVC Ducting Black to size?
Yes. Use scissors or snips for the outer material and wire cutters for the internal helix. Wrap the cut end with foil HVAC tape to keep it tidy and easier to clamp securely.
How should I install PVC Ducting Black for best airflow?
Stretch it out fully, avoid sharp bends, and use wide, smooth curves. Compressed or kinked ducting increases restriction and noise while reducing airflow efficiency.
Do I need clamps and tape to secure PVC Ducting Black?
Yes—clamps provide grip and foil HVAC tape seals air gaps. Both are recommended for a reliable, airtight, and light-proof connection. Avoid cloth duct tape, which tends to fail over time.
Can I connect PVC Ducting Black to other sizes or components?
Yes—it works with reducers, joiners, inline fans, carbon filters, and silencers. Use appropriate adapters and seal all joins with clamps and tape for airtight performance.
Does PVC Ducting Black help with condensation?
It can reduce external sweating slightly due to the thicker outer layer, but it’s not insulated. In cold spaces, warm air can still condense inside. Support the run and avoid low dips to reduce pooling.
Is PVC Ducting Black suitable for humid environments?
Yes—it’s commonly used in high-humidity grow setups. Just ensure good airflow and avoid sagging runs, which can trap moisture and increase the risk of mould or odour buildup.
Can PVC Ducting Black be cleaned or patched?
You can wipe the outer surface easily. Small holes can be patched with foil tape, but if the duct is badly torn or moldy inside, replacement is usually a better option.
Is PVC Ducting Black safe for use near grow lights or heat?
Yes for typical ventilation temps, but don’t press it directly against hot fixtures. For very hot air or heater exhausts, use ducting rated for high-heat applications.
Does PVC Ducting Black affect airflow compared to rigid ducting?
Rigid ducting usually offers lower resistance, but PVC Ducting Black performs well when stretched and routed cleanly. Avoiding sharp bends and compression is key to maintaining good airflow.
Can I use PVC Ducting Black for passive intake light traps?
Yes—route it in a loose “S” curve or with two gentle bends. This setup blocks light from entering the tent while allowing air to flow freely.
What’s the best way to install PVC Ducting Black?
Cut it to the shortest effective length, stretch it out fully, avoid tight bends, support the run, clamp tightly to fittings, and seal joins with foil tape to ensure it's both airtight and light-proof.
