SikaTop®-550 Seal
(former MasterSeal® 550)
Acrylic cementitious waterproofing coating
SikaTop®-550 Seal is a two-component acrylic modified cementitious coating that requires on site mixing to form product to waterproof and resurface concrete, masonry, and most other construction materials.
Can be applied by stiff brush, roller, or trowel, it forms a waterproof coating.
SikaTop®-550 Seal provides an effective barrier to waterborne salts and atmospheric gases.
Fluid applied, SikaTop®-550 Seal provides a hard wearing, seamless, waterproof membrane.
SikaTop®-550 Seal is composed of specially selected cements, silica sand and reactive fillers supplied in powder form together with a liquid component of blended acrylic copolymers and wetting agents.
Suitable for use in hot and tropical climatic conditions.
- Easy to apply by brush or in thin trowel applications
- No additional water required
- Excellent adhesion to various substrates
- Suitable for contact with potable water
- Breathable - whilst repelling water, allows substrate to breathe
- High resistance to chloride ion diffusion
- Unlike conventional coatings which require a 7-28 day cure of concrete, SikaTop®-550 Seal can be applied to 24 hour-old concrete thereby giving immediate protection