Description
X’TRASEAL MC-800 and MC-808 are high-performance multipurpose construction sealants formulated for excellent adhesion to a wide range of porous and non-porous building materials. Designed for professional interior and exterior sealing applications, these sealants provide durable flexibility, long-term adhesion, and superior resistance to weathering. They bond effectively to wood, concrete, marble, plasterboard, brick, cement sheet, and ceramic tiles, making them ideal for joints, gaps, and connection points in construction and finishing works. MC-800 is available in White, while MC-808 offers multiple colours to match different substrates for a cleaner and more aesthetic finish.
Available Pack Sizes
• 480 g
Colours Available
MC-800: White
MC-808: Black, Grey, White, Teak, Brown
Stock Status
In Stock
Product Highlights
- Strong adhesion to a wide range of building materials
- Flexible and durable seal suitable for interior and exterior use
- Provides a neat, clean, and long-lasting finish
- Available in multiple colours to match different surfaces
- Excellent gap filling and sealing performance
Technical Specifications
| Property | Specification |
|---|---|
| Type | Multipurpose construction sealant |
| Compatible Surfaces | Wood, concrete, marble, plasterboard, brick, cement sheet, ceramic tiles |
| Colours | MC-800: White | MC-808: Black, Grey, White, Teak, Brown |
| Application Areas | Joint sealing, gap filling, interior and exterior construction finishing |
| Form | Paste-type sealant in 480 g cartridge |
Application Instructions
- Ensure all surfaces are clean, dry, and free from dust or oil.
- Cut the nozzle to the desired bead size and load the cartridge into a caulking gun.
- Apply sealant evenly along the joint or gap.
- Tool the sealant within minutes to achieve a smooth finish.
- Allow adequate curing time before exposure to water or heavy movement.
Coverage Calculator
- One 480 g cartridge typically covers 8–12 meters depending on bead size.
Suitable Applications
- Sealing joints around walls, floors, windows, and door frames
- Filling gaps in construction and renovation projects
- Bonding and sealing porous building materials
- Interior and exterior finishing work
- General-purpose sealing in residential and commercial projects
Compatibility & Limitations
- Compatible with most porous building materials
- Not recommended for continuous water immersion unless approved
- Test on non-porous and special-coated surfaces before use
- Avoid applying on wet surfaces unless product data sheet permits
Safety & Handling
- Use in a well-ventilated area
- Avoid contact with eyes and prolonged contact with skin
- Store between recommended temperatures to maintain stability
- Keep out of reach of children
Frequently Asked Questions
MC-800 is available in White only, while MC-808 comes in multiple colours.
Wood, concrete, marble, plasterboard, brick, cement sheet, and ceramic tiles.
Yes, both can be used for indoor and outdoor applications.
480 g.
Yes, they remain flexible after curing.
Yes, they offer excellent filling and sealing performance.
Yes, they bond strongly to porous substrates.
Usually yes, depending on paint type — testing is recommended.
Yes, they provide reliable moisture resistance once cured.
Yes, they can be applied using a standard caulking gun with smooth tooling ability.
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