Morcem® Dry R

Mortar with special additives, for watertight cladding jobs.

998-1 - CR CSIV W2 COV GBC

Download technical data sheet

Additional information


Product based on high resistance white or grey cement, selected aggregates, special additives and resins.

Features and applications

Waterproofing of:

  • Tanks, ponds, fountains, basements, underground carparks, hoistways, tunnels, etc.
  • On exterior foundation walls.
  • It does not alter drinking water quality.


  • Concrete, smooth concrete premade blocks and plaster work rich in cement.
  • Substrates must be resistant, stable, sound and clean, free of dust, demolding agents, organic products, etc.
  • In case of hot or windy weather conditions or when applying over absorbent substrates, it is advisable to wet the substrate and wait till the thin layer of water disappears.

Instructions for use

  • Add water and mix by hand or mechanically until it takes on an even and workable consistency.
  • When the substrate is still damp, apply a first thick coat of the product with flat brush.
  • Let the product dry for 2 to 4 hours approx.
  • Apply a second coat with flat brush in the same way.
  • The final finish can be achieved by smoothing down with a trowel or by using a mason's float, depending on the final finish.
  • Wait at least 4 days before filling the tank.

Cautions and recommendations

  • Do not apply below 5ºC nor above 30ºC.
  • Do not apply when there is a risk of frost, rain, strong wind or direct sunlight.
  • To ensure waterproofing, keep a minimum thickness of 5 mm.
  • Wash the waterproofed surface with clean water 24 hours after application. Repeat at least twice before filling the tank.


25 kg plastic-lined paper bags.
helf life: 1 year in sealed original packaging, sheltered from weather conditions and humidity.


Technical data

(Statistical data obtained under standard conditions)
Aspect WHITE or GREY powder
Density of mixed product 2,0 ± 0,2 g/cm³
Resistence to compression > 25,0 N/mm²
Approximate yield

8 Kg/m² per 5 mm of thickness

NOTE:  Grupo Puma, S.L. has a certificate of drinkable water, report nos. 94,410 and 94,411 issued by Laboratorios Anayco, a company working together with the Ministry of Environment.



The instructions for use are given according to our tests and knowledge and do not imply any commitment by GRUPO PUMA nor free the consumer from the examination and verification of the products for their correct use. Claims must be accompanied by the original packaging to allow a proper traceability.

GRUPO PUMA is not responsible, in any case, for the application of its products or constructive solutions carried out by the application company or other parties involved in the process and / or execution of the work, limiting the responsibility of GRUPO PUMA exclusively to the damages directly attributable to the supplied products, individually or integrated in systems, due to failures in their manufacturing process.

In any case, the drafter of the work project, the technical management or the person responsible for the work, or collaterally the application company or other parties involved in the process and / or execution of the work, must ensure the suitability of the products addressing the characteristics of them, as well as the conditions, support and possible pathologies of the work in question.

The values obtained by GRUPO PUMAS's products or its constructive solutions that, as the case may be, are determined by the EN standards or any other regulation that applies to it in each case refers exclusively to the conditions specifically stipulated in said regulation and that are referred to, among others, to certain characteristics of the support, humidity and temperature conditions, etc. without being them required in the tests obtained under different conditions, all in accordance with the relevant regulation.