ZIP System™ Liquid Flash
For the ultimate versatility for sealing every rough opening, ZIP System liquid flash is a fluid-applied flashing membrane made of STPE (silyl-terminated-polyether) technology. This high-performance formulation combines the durability of silicones with the toughness of urethanes.
01 Products
Packaging Options | Typical Coverage: Window Sill Flashing (2' × 4' Framing) | Cured Thickness | Compound Technology | Water and Air Penetration | Installation Temperature Range | Exposure | Tack-Free Time | Cure Time | Vapor Permeance |
|---|---|---|---|---|---|---|---|---|---|
| 10.3 oz. Cartridge | 10 LF (Approx. Three 3' Window Sills) | 12 mils | STPE Polymer | ASTM E331: Pass ASTM E2357: Pass | 35–110°F | 180 days | 20–40 minutes[1] | 12 mils = 4 hours[1] | 23–24 perms at 15 mils thickness |
| 20 oz. Sausage | 20 LF (Approx. Six 3' Window Sills) | ||||||||
| 29 oz. Cartridge | 29 LF (Approx. Nine 3' Window Sills) |
Complies with AAMA 714-15
02 Why It Works
Engineered for sealing irregular, curved or hard-to-flash areas. Seal it in a flash.
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Variety of Surfaces
Bonds to wood, concrete, masonry, architectural metals, glass, PVC, FRP, EPDM and most other building materials.
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Quick Cure Time
Weather-resistant and tack-free in as quick as 20–40 minutes[1], depending on conditions. Target thickness achieved when substrate is no longer visible.
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Weather Protection
Backed by a 30-year limited warranty and 180-day Exposure Guarantee when used with ZIP System sheathing[2].
03 How to Install
Installation Videos
Watch simple step-by-step instructions and proper techniques to learn how to apply ZIP System sheathing and tape.
04 Product Reviews
See what other builders are saying.
Color me impressed. But not with liquid flash please. In love with this stuff. Nate Stockard@nscarpentry
05 News & Articles
Behind the Build Blog
Why Some Builders Are Choosing Fluid‑Applied Flashing
Tape is far from being an “old school” flashing method, but fluid-applied materials are gaining popularity along with the desire for tighter building enclosures.
Read MoreDetailing Barrier Continuity in Building Enclosures
Learn how the ZIP System® family of products provides an all-in-one system to achieve continuity in building enclosures, and take the CEU.
Read MoreBuilding Resilience Q&A with VP of Product Engineering Kurt Koch
Huber Engineered Wood's Kurt Koch discusses disaster safety, risk reduction and building for resilience in this interview with FLASH, an organization committed to strengthening homes and safeguarding families.
Read MoreHow to Build a Huge Custom Home with a Continuous Air and Water Barrier
Kentucky-based Atchison Heller goes full fluid-applied flashing for a 13,000-square-foot custom home to achieve a super air- and water-tight building enclosure.
Read More