Plasters & Masonry
Plaster Cement Perlite

Sprayable lightweight premixed plaster

Internal & external plaster on block walls and rough surfaces.
Plastering on fair-faced concrete and precast panels after the Spatter Dash SB scratch coat application.
Improving thermal resistance properties as well as sound dampening.
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Saveto Plastering Systems Technical Guide
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reference projects
King Khalid University
Saudi Arabia
Housing & Parking projects
Al Jabreen Contracting
Parking: Zuhair Fayez Housing: Saud Consult
Technical Information
Product Description

Plaster Cement Perlite is composed of hydraulic cement, Perlite, and selected aggregates with special additives. It is supplied as a dry powder in pre-weighed bags ready to use on-site, which requires only the addition of clean water to produce a cohesive mix. Plaster Cement Perlite is a high-quality product and provides underlayment on various facets of the projects.

  • Factory-controlled pre-blend ensures consistently high quality.
  • Requires only the addition of water on-site at the time of usage.
  • Lightweight.
  • Assist the thermal insulation systems in thermal insulation.
  • Easy application with uniform workflow enables high productivity & superior finishing.
  • Strong adhesion on a variety of substrates.
  • Internal & external applications.
  • Shrinkage control reduces surface cracks.


  • BS EN 998 -1 type LW
  • ASTM C926
  • Cement type: ASTM C150, type1
Packaging & Coverage

Plaster Cement Perlite is supplied in 25Kg Bag.

Consumption: 1 to 1.2 kg/m2/mm.

Stated consumption data are for general guidance. The actual value depends on the nature of the substrate, method of application & wastages.

Shelf Life & Storage

The original sealed bag of Plaster Cement Perlite has a shelf life of 12 months, provided it is stored clear of ground in a dry, shaded place, at temperatures between 5ºC - 35ºC.

Grey Powder
Application Information
Instructions for use

Design Criteria

Plaster Cement Perlite is designed to be used at thicknesses between 10-20mm in a layered application. The product can be applied on block walls without using a scratch coat as long as the substrate is properly neutralized before application. In cases of fair-faced concrete, a scratch coat is needed to ensure mechanical keying and enhanced bonding.


Add to the mixing container 7-8 liters of water for each 25 Kg bag of Plaster Cement Perlite. Add the powder to the water and mix with a mechanical plaster mixer or low-speed electric drill fitted with a suitable paddle for 3-4 minutes until achieving a uniform, lump-free consistency.

Do not add water to the mix once the mixed mortar starts to harden.

Smooth Concrete Surfaces

Apply Spatter Dash SB before the application of Plaster Cement Perlite.


Apply Plaster Cement Perlite in single or multiple layers on rough surfaces. On smooth surfaces, apply Plaster Cement Perlite after the application of a spatter-dash coat.

Rod or level to a uniform thickness immediately, then smoothen the material to the desired appearance.

For multiple layers, allow the plaster to partially dry (60-120 minutes depending on the weather). Apply the second coat at thickness as described above and to the desired appearance, or follow the ASTM C926 procedures for better layer application results regardless of the weather conditions.

After the surface appears stiff but still moist, smoothen the material to achieve the desired appearance.


Cure Plaster Cement Perlite by spraying water on its surface every 8-12 hrs for a minimum of 3 days. During hot & dry conditions, allow curing for a minimum of 5 days. It will help to obtain high mechanical strengths and minimize the risk of surface cracks.


Clean tools with water before the mortar hardens. After the hardening, remove the residuals mechanically.

Surface Preparation

The substrate should be sound, clean, free from loose material, grease, laitance, dirt curing compound, or any other substance that might impair the substrate's quality of bonding.

Before the Plaster Cement Perlite application, damp the entire surfaces with clean potable water. The substrate should be a neutralized surface at the time of the Plaster Cement Perlite application.

  • Ensure the substrate is suitable for Plaster Cement Perlite; in case of doubt, try on the sample area to assess its suitability.
  • Do not apply the product under direct rain, extreme wind, and temperatures below +5ºC or above +45ºC.
Additional Information
Health & Sefety

Plaster Cement Perlite is highly alkaline; therefore, avoid direct contact with eyes or skin. It is recommended to use protective gloves and goggles during application. Any skin contact should be washed with soap and water. In case of eye irritation, immediately wash with a copious amount of clean cold water. Seek medical advice.

Plaster Cement Perlite is non-flammable.

For further information, please refer to the product material safety data sheet.

Important note

Saveto endeavors to ensure that any advice, recommendations, information it may give is accurate and correct. It cannot accept any liability either directly or indirectly arising from the use of its products because it has no direct or continuous control over where or how its products are applied, whether or not following any advice, specification, recommendation, or information given by us. Saveto has the right to change any of the technical datasheets' specifications upon its discretion without prior notification.

Hard copies of TDSs are printed once or twice a year. Our technical data sheets are continuously updated as per R&D improvements and new 3rd party testing; kindly refer to our website for the latest updated TDSs. 

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Saudi Vetonit Co. Ltd. (SAVETO)
P.O. Box 52235 Riyadh 11563, KSA
Toll: (+966 11) 265 3334
Fax: (+966 11) 265 0936
800 124 9009
Fax: (+966 11) 265 0718