Lunaris Joint & Crack Fill – Seamless Repair Sealant
Fix imperfections fast with Lunaris Joint & Crack Fill, a ready-to-use sealant for wood, masonry, and beyond. This flexible, weather-resistant formula fills cracks and joints with strong adhesion, delivering a smooth, lasting finish for indoor and outdoor repairs. Ideal for DIYers and pros, it tackles everything from wall gaps to deck splits. Pair with Lunaris ECO-STUCCO Wood Filler for comprehensive wood restoration.
Key Benefits
- Instant Use: No mixing needed for quick application.
- Reliable Bond: Sticks firmly to diverse surfaces.
- Flexible Fill: Adapts to movement without cracking.
- All-Weather Durability: Resists rain, sun, and wear.
- Polished Finish: Smooths out for a clean, paintable look.
Ideal Uses
- Sealing cracks in masonry exterior walls.
- Filling joints in wooden decks or fences.
-
Repairing gaps in indoor drywall seams.
How to Use
1. Prep: Clean and dry the crack or joint area.
2. Apply: Squeeze sealant into the gap with a
caulk gun.
3. Smooth: Wipe excess and let cure for a solid seal.
Pro Tip
Use a damp cloth to smooth the surface before it sets for a flawless finish.
Why Choose Joint & Crack Fill?
Unlike rigid fillers, this sealant flexes with surfaces, preventing re-cracks. Enhance repairs with Lunaris Fiberglass Mesh for added strength on larger fissures.
Product Details
- Compatibility: Wood, masonry, drywall
- Purpose: Crack and joint sealing
Frequently Asked Questions
Yes! This weather-resistant sealant is designed for both indoor and outdoor applications, standing up to rain, sun, and temperature changes.
Drying time depends on temperature and humidity, but it typically forms a surface skin in 30 minutes and fully cures within 24 hours.
Absolutely! Once fully cured, it can be painted over for a seamless finish. For best results, use a high-quality primer before painting.
No, this flexible formula is designed to move with surfaces, preventing shrinkage and re-cracking.
No primer is necessary for most surfaces, but for highly porous or glossy materials, light sanding or a bonding primer can improve adhesion.
