X300 Surface Sealer™ – Invisible Protection for Concrete & Masonry
Oxtek X300 Surface Sealer™ is a high-performance, zero-VOC penetrating sealer designed to protect concrete and masonry without altering the surface appearance. Used alongside X220 Moisture Fix™ or X200 Densi-Proof™, it provides long-lasting defence against staining, moisture, efflorescence and environmental wear. Ideal for projects where a natural, unchanged finish is essential.
Features:
- Easy single-coat application
- Preserves the natural look of concrete and masonry
- Invisible finish – won’t darken, yellow or change surface tone
- Reduces staining for cleaner, longer-lasting surfaces
- Zero VOC, environmentally friendly and user safe
- Unlimited shelf life
- Eliminates efflorescence
- Resistant to freeze–thaw damage
- Improves resistance to fungus and mildew
- UV resistant for long-term durability
- Highly resistant to alkali attack






