- Stop your silicone / sealant / caulk / mastic cartridges from curing and drying up with an airtight cap / lid.
- Uses a rubber o-ring gasket to form a perfect seal against the cartridge.
- Strong and tough design that's easy to screw and unscrew with or without gloves on.
- If you'd like a mixture of colours or cartridges for plastic and SIKA caps - just let us know by "message to seller"
- Bright colours so they can be easily spotted on a worksite - choose from the drop-down above.
- Plastic type works well with 3M, Screwfix No-Nonsense and Everbuild brands as well as many other standard cartridges
- SIKA type works with Sikaflex sealant cartridges
- C4 Large Nozzle type is for 380ml / 400ml larger cartridge style
This design is from "The Sealant Cartridge Nozzle Cap That works." (https://www.thingiverse.com/thing:3375441) by The-Mechanic, where it is downloadable, and is licensed under the "Creative Commons - Attribution - No Derivatives" license (https://creativecommons.org/licenses/by-nd/4.0/).