GB15 is a natural repair mortar specifically formulated for the patching and restoration of granite & bluestone. Designed to repair any areas of granite & bluestone including heavy traffic areas, window sills, steps and surface areas. GB15 can be featheredged, to repair small chips and spalls in granite & bluestone.
GB15 is a mineral-based, single component product that is mixed with water. It is formulated using only natural binders; no synthetic polymers or additives are used. GB15 has excellent freeze-thaw and salt resistance. It is vapor permeable.
Installation time will vary depending on the surface matching requirements. GB15 is specially formulated to set quickly, and repair surfaces of granite & bluestone, and the material is designed to allow build up to a thickness of 3” at one time.
Advantages of GB15
- Can be applied in 15 minutes.
- No minimum application depth requirement.
- Manufactured using natural binders.
- Contains no synthetic polymers or additives; contains no Portland cement.
- Mineral-based formulation and natural binders make it completely compatible with substrate.
- Produces excellent adhesion to substrate.
- Does not create a vapor barrier.
- Provides good freeze-thaw and salt resistance.
- Requires no special curing in normal weather conditions.
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