Plasters & Masonry
Plaster Gypsum Perlite

Light weight gypsum perlite plaster

Internal plaster on block walls and rough surfaces.
Plastering on fair-faced concrete and precast panels after Spatter Dash SB scratch coat.
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 Gypsum Perlite is composed of a retarded gypsum, 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 Gypsum 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.
  • Applied by a plastering machine.
  • Single coat application with improved workability.
  • Easy application with uniform workflow enables high productivity & superior finishing.
  • Strong adhesion on a variety of substrates.
  • Moderate sound reduction  & thermal insulation.
  • A fair smooth finish can be achieved.
  • Lightweight plaster.
  • Significant resistance to heat transmission than normal sand/cement plaster.
  • ASTM C472
  • BSEN 13279
Packaging & Coverage

Plaster Gypsum Perlite is supplied in a 25Kg Bag or Bulk.

Consumption - 1 Kg/m2/mm

Stated consumption data are for general guidance. Actual consumption depends on the nature of the substrate, method of application, and wastage.

Shelf Life & Storage

The original sealed bag of Plaster Gypsum 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.

White Powder
Application Information
Instructions for use


For manual mixing, add to the mixing container 10-12 liters of water for each 25Kg bag of Plaster Gypsum 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.

Leave the mixed material to stand for 5min and briefly remix without adding water.

Blend Plaster Gypsum Perlite manually for small quantities and maintain the correct amount of powder to water. Mix for approximately 1-2 minutes until achieving a homogeneous mix.

When required, add 0.5 liters of Vetonit Bond 2 to the mixing water and adjust the water requirement accordingly for each 25kg bag. Follow the same mixing procedure as above.

Use the mixed material within 30 minutes. Do not add water once the mixed plaster mortar starts to stiffen or harden.


Apply Plaster Gypsum Perlite in a single coat method. Use directly on block walls & rough surfaces. On smooth concrete surfaces, apply Spatter Dash SB before applying Plaster Gypsum Perlite.

Apply mixed material using spray machine or trowel technique to cover the area to the desired thickness. Use lightweight leveling tools in conjunction with a trowel to fill in holes.

When the plaster lightly stiffens, treat the surface to a smooth level to eliminate all traces of protrusions and undulations.

Let the plaster set for about 30 min., using a wet sponge, wipe the surface to a creamy smooth finish.


Let the Plaster Gypsum Perlite fully dry. Do not use water.

Apply Paints & Coatings once the plaster dries out completely, generally after 7 days.


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

Surface Preparation

The surface should be sound, clean, free from loose material, grease, laitance, dirt curing compound, etc.

Before Plaster Gypsum Perlite application, wet the entire surfaces with clean potable water and dry before Plaster Gypsum Perlite application.


Do not mix with any additives or products unless recommended by Saveto.

Make sure the substrate is suitable for plaster application. In case of doubt, try on sample area to assess its suitability.

Do not apply the product at a temperature less than +5ºC. During the summer season, cover the working area to prevent ill-effects from direct sun and excessive air-draught during the initial curing stage.

Additional Information
Health & Sefety

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

Plaster Gypsum 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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Contact us
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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