For Architects
For Contractors
For Homeowners
FAQs
Policies
------------------------

GB15 Heritage Granite & Bluestone Repair Mortar

Mineral Based Natural Repair Binder
For Granite & Bluestone
Apply in 15 minutes

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.

• 1-gallon plastic pails: 9 lbs.
• 5-gallon plastic pails: 44 lbs.
• Available in White. Contact us to order custom blended GB15. Custom color blending available in 5 Gallon Size only. Price is $355.00 per bucket + S/H.
• Custom aggregates available.
• Please read our Stone Repair Mortar Guarantee Policy.
• If you plan on ordering ten buckets or more, please contact us so we can ensure that you receive the best shipping rates.