6 Foot Greenhouse Curtain Roof Roll Lock, posi-clasp aluminum profile for locking your rolling greenhouse roof curtain in the closed position. Install a roof roll lock system on your low gutter connect houses, allowing for better ventilation and better plant quality by releasing the hot air through a roof vent.
Includes splice plate & (4) #12 x 3/4″ pan head tek screws
*Only 6′ lengths are offered online, contact us for 8′ and 12′ lengths!
- Bolt head channel for U Clamp attachment to bows
- Tek screw groove for less slippage and ease of installation
- Durable aluminum extrusion