White Lightning
White Lightning Hybrid Sealant 10 oz Cartridge Clear
A clear, paintable hybrid sealant in a 10 oz cartridge that stays flexible from -40 °F to 180 °F, resists mildew, mould and UV, and cures fully in four days
- Paintable finish allows colour matching
- Mildew and mould resistance protects sealed joints
- Waterproof seal withstands weather exposure
- Flexible bond handles movement without cracking
- Wide temperature range from -40 to 180 Degrees F
Hybrid Sealant for Multipurpose Use
This hybrid sealant comes in a 10 oz cartridge and is designed for multipurpose applications. It suits professionals and DIY users who need a flexible, paintable seal for indoor or outdoor projects. The clear finish blends with surrounding surfaces without altering their appearance. It is not for buyers who need a specific colour match or a non-paintable formula.
Upgrading from Basic Caulks
Unlike basic latex or silicone-only caulks, this hybrid base combines paintability with waterproof, mildew-resistant and mould-resistant performance. It also remains nonshrinking and ultraviolet resistant across a wide temperature range. The jump is worth it when a single sealant must handle movement, weather exposure and a painted finish without cracking. It does not replace specialised fire-rated or high-temperature sealants beyond 180 degrees F.
Behaviour Under Sustained Exposure
Once applied, the sealant provides a working time of 20 minutes before skinning over. Full cure is reached in 4 days, after which the joint stays flexible from -40 degrees F up to 180 degrees F. Under continuous weather cycling, UV exposure and moisture, it maintains adhesion without shrinking or degrading. It is not suited for joints that require immediate structural load-bearing before the cure period ends.
Highlights
- Paintable finish allows colour matching
- Mildew and mould resistance protects sealed joints
- Waterproof seal withstands weather exposure
- Flexible bond handles movement without cracking
- Wide temperature range from -40 to 180 Degrees F
Specifications
| Brand | WHITE LIGHTNING |
|---|
Questions about this item
What size cartridge does the White Lightning Hybrid Sealant come in and will it fit a standard caulk gun?
The sealant is supplied in a 10 oz cartridge that fits any standard caulk gun designed for that size.
How long is the working time after applying the sealant and what is the common mistake during installation?
You have a 20 min working window before the material skins over; the frequent error is applying too much at once and not tooling the bead within that period.
How long until the sealant reaches full cure and when should the bead be inspected for replacement?
Full cure takes 4 day; after that, inspect the joint annually and replace the bead if it shows cracking, loss of flexibility or mildew growth.
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