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Sika Sikaflex 102 EverFlash Membrane 20oz Sausage
Sikaflex-102 EverFlash Membrane is a one-component polyurethane liquid flashing in a 20 oz sausage for window and door rough openings. It builds a continuous waterproof membrane around the opening and supports same-day installs.
- Liquid flashing for rough openings and wall penetrations
- UV-stable membrane that weathers at the opening edge
- Fast skin lets perimeter sealant follow the same day
$36.65
Sikaflex-102 EverFlash Membrane
Sikaflex-102 EverFlash Membrane is a one-component moisture-cured polyurethane liquid flashing for window and door rough openings, sheathing joints, and wall penetrations. This white 20 oz sausage (part 524493) skins in approximately 1 to 2 hours, reaches final cure in approximately 3 to 5 days, and holds Shore A approximately 40 to 45 with approximately 600% elongation. It supports same-day window and door installs and bonds without primer to most cementitious, wood, metal, and glass substrates.
Key Features
- One-component moisture-cured polyurethane liquid flashing
- Tack-free in approximately 1 to 2 hours; final cure approximately 3 to 5 days
- Shore A hardness approximately 40 to 45; elongation approximately 600%
- Excellent unprimed adhesion to cementitious, wood, metal, and glass substrates
- UV stable, non-staining, and non-shrinking
- Compatible with direct-applied stucco after full cure
Applications
- Window and door rough openings and nailing flanges
- Sheathing joints and wall penetrations for ducts and piles
- Floor moldings, door sills, and 90-degree details
- Sealing fasteners and static cracks less than 3/4 in in wall assemblies
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex-102 EverFlash Membrane |
| Part no. | 524493 |
| Unit | 20 oz sausage |
| Color | White |
| Chemistry | One-component moisture-cured polyurethane |
| Tack-free time | Approximately 1 to 2 hours |
| Final cure | Approximately 3 to 5 days |
| Shore A | Approximately 40 to 45 |
| Elongation | Approximately 600% |
Product documents: Sikaflex-102 EverFlash Membrane Product Data Sheet (PDF)
Frequently Asked Questions
What flashing jobs suit Sikaflex-102 EverFlash Membrane?
Window and door rough openings, sheathing joints, wall penetrations, and perimeter sealing around nailing flanges.
What skin time does Sikaflex-102 EverFlash Membrane hold?
Tack-free in approximately 1 to 2 hours depending on climate, with final cure in approximately 3 to 5 days.
What elongation does cured Sikaflex-102 EverFlash Membrane reach?
Approximately 600% elongation with Shore A hardness approximately 40 to 45.
What substrates does Sikaflex-102 EverFlash Membrane bond to without primer?
Cement-based materials, brick, ceramics, glass, metals, wood, epoxy, polyester, and acrylic resin in typical rough-opening work.
What stucco timing applies over Sikaflex-102 EverFlash Membrane?
Allow a 5-day cure at standard conditions before applying a direct stucco assembly.
What size is Sikaflex-102 EverFlash Membrane?
The sausage is 20 oz, part 524493.
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