Morcemrest® Obturador

Rapid setting cement prepared. To block water leaks in concrete cracks or fissures on other base-cement surfaces.


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Additional information


Product based on hydraulic bonding agents and organic and inorganic additives.

Features and applications

  • Sealant for water filtration in concrete and cement-based substrates.
  • For urgent repairs when wet.
  • For anchorage and sealing that require fast curing.
  • It waterproofs the surface where applied.
  • Almost instant setting.
  • It sets even under water.


  • 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

  • Prepare the surface by removing a few centimeters of the concrete in bad condition.
  • Clean by intense brushing.
  • Mix only the material to be used within 20 seconds. If you are stopping a water leak then use just enough material to be worked with one hand (use gloves):
  • Remove the leftover material and even to the original substrate.         

Cautions and recommendations

  • Do not apply below 5ºC nor above 30ºC.
  • Do not try to remix with water any hardened product.
  • Wear gloves when using this product.
  • Once open, it is recommended that you use the material immediately or else seal the bag at once.
  • At high temperatures, setting will occur instantly.


5 kg polyethylene bags.
Shelf life: 6 months in sealed original packaging, sheltered from weather conditions and humidity.


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.