A PVC strip curtain is a simple part. Flexible plastic strips hang in a doorway, people and forklifts pass through, and the strips close back behind them. Done right, it keeps conditioned air in, dust and drafts out, and noise down. Done wrong, it tears, fogs, or leaves gaps you can drive a cart through. This guide covers how to choose PVC strip curtains for warehouses, cold storage and clean rooms.
We supply rubber and elastomer products from Anaheim, so we see the same question from buyers all the time: what do I actually need to tell the supplier? The answer starts with the opening, the traffic and the temperature.
What a strip curtain actually does
A strip curtain is a barrier you can walk or drive through. It is not a door. It slows air movement between two spaces, and it does that without anyone having to push a button or pull a handle.
That makes it a good fit where the opening stays in use all day. Loading docks, doorways between a warehouse and a production area, freezer entries and clean room transitions are the usual places. It is a poor fit where you need a hard seal. If you need an airtight door, buy a door.
PVC strip curtains for warehouses
In a general warehouse the job is usually to separate zones. You might be keeping dust from a dock out of a packing area, or holding some of the heat or cooling inside a conditioned section.
Here is what matters most:
- Strip width and thickness. Wider, thicker strips hold up better under forklift traffic. Narrow, thin strips suit foot traffic and light carts.
- Overlap. Strips that overlap each other close the gaps better than strips hung edge to edge. A common practice is to overlap them by a good portion of the strip width. Ask your supplier what they recommend for your opening.
- Ribbed or smooth. Ribbed strips take more abuse from wheels and pallets. Smooth, clear strips let people and drivers see through.
Measure the opening twice. Width and height, from the mounting point to just above the floor. Strips that drag on the ground wear out early.
Cold storage and freezer doors
This is where a wrong choice shows up fast. Standard PVC gets stiff as temperatures drop. Stiff strips crack, and they stop closing cleanly behind traffic.
For coolers and freezers, ask for a grade made for low temperatures instead of a general-purpose strip. Tell your supplier the actual temperature on the cold side of the door, not just that it is a cold room. A walk-in cooler and a deep freezer are not the same job.
Also think about condensation. Where warm and cold air meet, moisture forms on and around the curtain. A bit of overlap and a clean, tight fit help, but plan on wiping the strips and checking them for wear.
Clean room and controlled-environment curtains
Clean room transitions have a different goal. You want to limit the movement of particles and air between areas, and you want strips that are clear and easy to wipe down.
Clear strips let staff see who is coming through the opening. Smooth surfaces clean up faster than ribbed ones. Check the mounting hardware as well. Rust and loose parts defeat the purpose.
We do not make claims about clean room classification for any curtain. If your facility has a specific standard to meet, check it against the product spec with your quality team before you order.
Mounting and upkeep
A few small things extend the life of a curtain:
- Mount the curtain on the side that gets the most pressure, so the strips are not blown open all day.
- Keep the bottom of the strips off the floor or only just touching it.
- Replace single strips as they wear. Most curtains are built so you can swap one without taking the whole curtain down.
- Clean the strips on a regular schedule. Dirt and dust shorten life and cloud the plastic.
Pairing curtains with the rest of the dock
A strip curtain is rarely the only rubber part at a door. Wheel stops and speed bumps take wear in the same area. We sell PVC strip curtains and wheel stops alongside rubber sheet and extrusions, so you can cover several parts of a dock from one supplier. If you are new to ordering from us, our guide on how to order custom-cut rubber sheet explains the details we ask for, and our product page lists what else we carry.
What to send for a quote
Every job is quoted individually, so we do not publish a price list. To get an accurate quote on a curtain, send:
- The opening width and height.
- The type of traffic: foot, carts, forklifts.
- The temperature on the cold side, if any.
- Whether the space is a warehouse, cold room or clean area.
We serve Southern California and the U.S. West Coast from Anaheim, and distributors and wholesalers are welcome. If you also need rubber sheet or rolls, send the width, Duro and thickness along with your curtain details and we will quote both together.
Ready to size up your opening? Call us at (714) 602-6515, Monday to Friday, 9am to 4:30pm Pacific, or send the details through our contact page and we will get back to you with a quote.
SoCal Rubber
Rubber and elastomer supply for the U.S. West Coast since 2021. Rolls, sheets and extrusions, cut to your width, Duro and thickness from our Anaheim, CA warehouse. Call (714) 602-6515 or request a quote.
