This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.

Koster Restoration Plaster Key Coarse
Koster Restoration Plaster Key Coarse is a thin slurry which is used as a bonding bridge between a substrate and Restoration Plaster. Restoration Plaster Key Coarse is a fast, course plaster key with polymer additives for substrate preparation. Restoration Plaster Key Coarse can be applied on dry, moist, very moist and high salt burdened substrates.
Enquire about this product
- Application
- Product Details
- Downloads
- Technical Drawings
- Suited for all absorbent mineral surfaces.
- Suited as primer for restoration plasters
- Type A and Type C Waterproofing
- Positive and negative side waterproofing against pressurized water
- Easy application
- Seamless application
- Suitable for new construction and repair on existing structures
- Can be applied on dry, moist, very moist and high salt burdened substrates