Fill tube with epoxy/material. Put on plunger plug (end cap). Install tube in a caulk gun. These are much sturdier to use than the cardboard version. These are considered disposable. Plunger plug: designed to be used with a standard caulking tube.
3 Pcs Empty Caulk Tubes, Fillable Reusable Empty Caulking Sealant Tubes for Cracks, Tiles, and Repairs
White Decorators Caulk Kit | 2 Paintable Caulk Tubes + Caulking Gun | Finishing Tool & Scraper | Interior Gap Filler | Skirting Boards & Window Frames
100pcs Caulk Saving Cap, Latex Caulking Tube Saver for Reusable Sealant Preservation, Open Caulking Sealing Cap to Prevent Drying and Leaks, Ideal for Caulk Tubes with No
Agwuoetr Silicone Caulking Tool, 4 Sizes Caulk Remover Tool Sealant Finishing Tool Set Caulk Applicator Spreader Rubber Spatulas
Steowsey Silicone Caulking Tool, 4 Sizes Caulk Remover Tool Sealant Finishing Tool Set Caulk Applicator Spreader Rubber Spatulas
Rersduyt Silicone Caulking Tool, 4 Sizes Caulk Remover Tool Sealant Finishing Tool Set Caulk Applicator Spreader Rubber Spatulas
