Saint-Gobain Gyproc Egypt

Head Office: Building #12B04 , Cairo Festival City , Second Floor, New Cairo - Egypt 

Gyplast Décor

"Gyplast Décor" is and advanced formula for site applied cornices, ready for manual application after the addition of the specific amount of water. It’s mechanically mixed and automatically packed with constant tested ratios, composed from primary raw materials and high quality additives enhancing the product performance. Natural elements compose 95% of the total weight. After adding the right portion of clean water, it gives a homogeneous mortar ready for application without any further additives.

"Gyplast Décor" aids the plasterer to reach double his productivity using traditional methods and gives a final smooth decorative surface which can be further smoothed using "Gyplast Top" to reach a very high quality

"Gyplast Décor" after its final setting gives a very strong cornice with high adhesion on traditional plastering system or the system of "Gyplast" with a minimum level of waste during application

Key facts

Can be used for applying site applied cornices


  • Ability to mix 2 to 3 bags in one mixture
  • Mortar directly after mixing
  • No waiting time after mixing
  • Minimum waste compared to traditional methods
  • Long working and setting time
  • Very strong
  • No need for cement additives after preparation
  • Speed in mixing
  • Very healthy both during application or housing and doesn’t cause any odors
  • Environment friendly as it consumes a low thermal energy during manufacturing and it is packed in recyclable sacks
  • Guaranteed by Saint-Gobain Gyproc, the world leader manufacturer and producer of building materials
  • Easy to handle and store, resulting in an organized and clean working site
  • Easy to prepare, only spray the powder to the indicated ratio of water then mix thoroughly till reaching the required consistency



Substrate must be sound, free from dust, loose particles, cement laitance, curing compounds, oil, grease or any other contamination
Ensure the mixing container and the application tools are clean especially form waste of previous mix and it’s recommended to clean the tools directly after usage


“Gyplast Décor” is sprayed on water with the right ratios (Don’t add water to powder), then leave for 2 mins till it soaks completely. Stir the mix perfectly in all directions till reaching a homogeneous mortar with the convenient consistency for the application. It is preferred to use mechanical mixing


“Gyplast Décor” is workable for 20 mins starting from the start of mixing, initial setting in 40 mins and reaches final setting in 1 day on average according to surface conditions, and thickness, weather conditions and humidity.
"Gyplast Décor" can be applied to make cornices in site. 

Extra information

Technical Data Sheet 

Wet Density 1500 gm/l
PH Value 7-9
Workability Time 20 - 25 mins
Initial Setting time 40 - 45 mins
%  Mixing water 52%

Storage & Packing

Pack (Kg)  : 30.3

Packs / Ton :  33

Storage Conditions : Must be stored in a dry area away from the reach of humidity or any water source, preferably on wodden pallets and covered with impermeable cover to mainatain a steady quality the longest duration possible

Storage Validity : 6 months

Standard : Gypsum Building Plaster (B1) with an initial setting time >20 min and compressive strength ≥ 2,0 N/mm2
EN 13279-1 - B1/20/2

Hand Applied Cornices plaster

Customer Service Hot Line 19230

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