Hyperplast ES500W
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Cemairin 280

Block R15

Water-based, integral water repellent and efflorescence control admixture (Formerly known as Blockadd R15)
  • Reduces capillary water absorption
  • Minimizes the risk of efflorescence and dirt pick-up
  • Provides a better color intensity and uniformity
  • Reduces the growth of algae and fungi on concrete surfaces
  • Increases the physical properties such as compressive, flexural and tensile strength
  • Improves the colour shades and thus reduces the needed pigment dosages
  • Highly alkaline resistant
  • Provides a better demolding and sharper edges
  • Reduces chloride diffusion

Hyperplast Block R15 is a water-based, ready to use multi-purpose integral concrete waterproofing admixture specially formulated to improve the durability of concrete block, pipe, roofing tiles, concrete brick and pavers.


Hyperplast Block R15 is available in 5 gal (19 litre) containers as well as 275 gal (1,041 litre) and 330 gal (1,249 litre) IBC totes. Bulk supply in tanker trucks is also available upon request. 


Hyperplast Block R15 should be stored under cover at a minimum ambient temperature of 41°F (5°C).

Shelf Life

Hyperplast Block R15 has a shelf life of 12 months from date of manufacture if stored in good conditions and sealed drums.


Hyperplast Block R15 provides excellent water repellency to concrete systems such as:

  • Concrete paving stones and tiles.
  • Concrete roofing tiles.
  • Precast concrete elements.
  • Architectural building blocks and bricks.

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Don Construction Products Inc.

2826 Lineberger Industrial Dr.
Lancaster, SC 29720

Tel: +1 803 286 5430
Fax: +1 803 286 5432

E-mail: info.usa@dcp-int.com