• Patented Airtight Design
  • Pay Less on Bulk Orders
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Never Waste Another Tube of Caulk Again

Calkcap – The Reusable Caulk Gun Cap, the best way to seal your caulk tubes for months, even for years GUARANTEED TO WORK

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Prototypes Tested
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Plastic Materials Tried
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Investment that Saves $100+ wasted on dried tubes
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Patented Design, Guaranteed to work
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Why Choose Calkcap

After spending 35 + years in the contracting business, I realised that all other methods, from nails, screws, to even dedicated caps for caulk tubes, fail to be airtight; if they are airtight, they can’t be reused, so I built Calkcap from scratch and here’s how it works.

Rusty Nails

Rusts, stains the nozzle and can contaminate your caulk.

Screws

Doesn’t seal airtight. Air gets in and caulk dries out.

Tape/Wrap

Messy, unreliable and never truly airtight.

❌ Doesn’t create an airtight seal.

❌ Creates a path for air to get in.

How Calkcap Works

Stops Air at Nozzle
Stops air at nozzle that keep the caulk fresh for longer
Tapered Fit
Tapered Fit that fits both small, large, most caulk tubes sizes easily
Grip rings

Interior has grip rings that locks the tube tight so no air enters

Press and Twist
Press and Twist design that ensure perfect fit everytime
Reusable
Reusable across multiple projects without drop in performance
Durable ABS Plastic
Durable ABS plastic material , no cracks, no leaks for months even years
Bright Yellow Color
Bright Yellow color of Calkcaps makes it easy to spot in your toolbox

What Customers are Saying

"Works great for the unused calk from projects around the house."
JosephCalkcap Customer
"I really appreciate the re-usability of the calkcap. I gave away so many to my friends in the construction world I had to buy a second and third package! Saves money and material!"
ElizabethCalkcap Customer
"calkcap is a great idea and really effective. I just wish they came in different colors for different kinds of caulk / adhesive."
Brandon Cooper Calkcap Customer
"I got tired of pulling an old nail out of a tube of caulk and finding the contents dried out. This cap works100%. Thanks CalkCap"
JosephCalkcap Customer

Use a lot of caulk? Let's talk volume pricing.

Contractors, remodelers, property managers, and maintenance teams — the more caps you need, the better your per-cap price. Tell us your quantity and we’ll send a custom quote within one business day.

Get a bulk quote

We respond within 1 business day with pricing and availability.