THE ONLY PERFECT DOOR SEAL

Stop Air & Moisture
at the Threshold.

For Good.

ThresTite is the only threshold weather-stripping gasket proven to

block 99.9% of air and moisture infiltration under doors — with

lifetime sealing protection. Made proudly in the USA.

99.9% Air & Moisture Blocked
Lifetime Sealing Guarantee
Proudly Made in the USA

Featured Product

Meet ThresTite

Discover a new proven installation that makes caulking OBSOLETE.

Side-by-Side

ThresTite vs. Caulk

Category Caulk ThresTite
Warranty None Lifetime — on every door installed
Air & Moisture Blockage Not proven 99.9% proven blockage
Protects Door Frame & Flooring No protection Full threshold protection
Energy Cost Reduction Unproven Over 30% utility savings
Product Lifespan Cracks, shrinks, reapply Permanent seal — never replace
Made in USA Varies Yes — proudly American made

The only threshold gasket with a lifetime warranty against air and moisture.

Order ThresTite — From $12.49

* No caulk manufacturer in the world offers a warranty against air and moisture infiltration under doors.

Pays for Itself

Reduces utility costs over 30%. The only threshold gasket that pays for itself in months — backed by a lifetime guarantee.

Perfect Seal Technology

Blocks 99.9% of air and moisture under doors — the only product proven to achieve what engineers call a perfect seal.

Protects Your Structure

Guards sub and finished flooring from water damage. Prevents door frames from racking over time.

Who It's Built For

Built for the Pros. Perfect for Homeowners.

Home Builders

Spec it in every build. Protect your reputation and the structure.

Contractors

A finishing detail your clients will notice for decades.

Home Owners

Stop drafts, lower your bills, and protect your floors — permanently.

Testimonials

What People Are Saying

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Ready to Seal It for Good?

Join builders, contractors, and homeowners across the
country who trust ThresTite on every door.

Wisconsin-based manufacturer of premium building envelope products designed to permanently block air and moisture infiltration and protect homes and structures from the inside out.

(414) 375-8101

[email protected]

CONTACT & HOURS

(414) 375-8101
[email protected]
11311 W Forest Home Ave, Franklin, WI 53132
Mon-Fri: 7:30am-4:30pm CST
Sat: 7:30am-12:30pm CST
Sun: Closed

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