10-Pack Re-Sealable Caulking Nozzle Caps | Mastic Screw Covers

Keep Your Caulk Fresh & Ready with Re-Sealable Nozzle Caps

Never waste a half-used cartridge again! These 10-pack re-sealable caulking nozzle caps are designed to screw snugly onto standard mastic and sealant cartridge nozzles, creating an airtight seal that keeps your caulk, silicone, or adhesive from drying out between jobs. Made from durable PE (polyethylene), they are a simple, cost-effective accessory for any DIYer or professional tradesperson.

Key Features

• Pack of 10 — always have a spare on hand for multiple cartridges
• Re-sealable screw cap design — threads on and off quickly to preserve your sealant cartridge between uses
• Durable PE material — flexible, chemical-resistant polyethylene construction
• Universal fit — compatible with most standard mastic, silicone, and caulking cartridge nozzles
• White color — easy to spot in your toolbox
• Reduces waste — extend the shelf life of your caulk and sealant tubes

Specifications

What's in the Box?

10 × Re-Sealable Caulking Nozzle Screw Caps

Please note: Size is as shown in product images. Allow 5–10 mm variance due to manual measurement. Colors may vary slightly depending on monitor settings.

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Frequently Asked Questions

Q: What types of caulking cartridges are these nozzle caps compatible with?

A: These re-sealable nozzle screw caps are designed to fit most standard mastic, silicone, and caulking cartridge nozzles. They feature a universal screw thread that suits the majority of commonly available sealant cartridges used in construction, DIY tiling, and home improvement projects.

Q: How do these caps help preserve my sealant cartridge?

A: Once you've finished applying sealant, simply screw the PE cap firmly onto the nozzle tip. The cap creates a secure seal that limits air exposure, slowing the drying and curing process so your sealant stays workable for future use — reducing product waste and saving you money.

Q: Are these nozzle caps reusable?

A: Yes! The screw-on design means they can be removed and re-applied multiple times, making them a practical and economical addition to any caulking toolkit. Keep the full pack of 10 on hand to cover all your active cartridges at once.