Lightweight Gypsum Based Materials: Methods of Preparation and Utilization

Lightweight Gypsum Based Materials: Methods of Preparation and Utilization

Magdalena Doleželová Jitka Krejsová Alena Vimmrová

Faculty of Civil Engineering, Department of Materials Engineering and Chemistry, Czech Technical University in Prague, 166 29 Prague 6, Czech Republic.

1 February 2017
| Citation



Although gypsum is one of the most environmentally friendly building binders, its use in the buildings is relatively limited and therefore the broadening of the gypsum product portfolio is desirable. One possibility is the development of the lightweight gypsum materials with better thermal insulation properties, attractive acoustic properties and also lower transportation costs. The lightweight gypsum materials can be used in a similar way as an aerated autoclaved concrete (AAC), whose energy consumption at production is several times higher.

The main methods of the preparation of gypsum-based lightweight materials are described and compared. Gypsum can be lightened indirectly by the lightweight filler or directly. In the directly lightened materials, the pores are introduced into the gypsum material either by some chemical reaction producing gas or by the help of surface active substances. For the chemical lightening a large scale of waste products can be used. Lightening by the help of waste stone powder is described in detail. The materials with the properties comparable with the properties of AAC were prepared. Their bulk density was under 600 kg/m3, compressive strength was about 2 MPa and coefficient of thermal conductivity was under 0.2 W/m.K.

Lightweight gypsum materials can be used as a thermal insulating blocks, for the lightweight gypsum boards, partitions blocks, lightweight fire-resistant plasters or thermal-insulating plasters.


AAC, chemical lightening, direct lightening, gypsum, indirect lightening, inorganic filler, lightening methods, organic filler, SAS, waste products


[1] Degirmenci, N., Utilization of phosphogypsum as raw and calcined material in manufacturing of building products. Construction and Building Materials, 22(8), pp. 1857– 1862, 2008.

[2] Tesárek, P., Drchalová, J., Kolísko, J., Rovnaníková, P. & Černý R., Flue gas desulfurization gypsum: study of basic mechanical, hydric and thermal properties. Construction and Building Materials, 21(7), pp. 1500–1509, 2007.

[3] Demir, I. & Baspinar Serhat, M., Effect of silica fume and expanded perlite addition on the technical properties of the fly ash-lime-gypsum mixture. Construction and Building Materials, 22(6), pp. 1299–1304, 2008.

[4] Gencel, O., del Coz Diaz, JJ. & Sutcu, M., Properties of gypsum composites containing vermiculite and polypropylene fibers: numerical and experimental results. Energy and Buildings, 70, pp. 135–144, 2014.

[5] Baspinar Serhat, M. & Kahraman Erhan, N., Modifications in the properties of gypsum construction element via addition of expanded macroporous silica granules. Construction and Building Materials, 25(8), pp. 3327–3333, 2011.

[6] Garcia Santos, A., PPF-reinforced, ESP-lightened gypsum plaster. Materiales De Construccion, 59(293), pp. 105–124, 2009.

[7] Sayil, B. & Gurdal, E., The physical properties of polystyrene aggregated gypsum blocks. In 8th International Conference on Durability of Building Materials and Components (8dbmc). Vancouver, Canada: Research Council Canada. Durability of Building Materials and Components 8, Vols. 1–4, Proceedings, pp. 496–504, 1999.

[8] Gonzáles Madariaga, A.F.J. & Lloveras Macia, J., Mezclas de residuos de poliestireno expandido (EPS) conglomerados con yeso o escayola para su uso en la construcción. Informes de la Construcción, 60(509), pp. 35–43, 2008.

[9] Gutierrez-Gonzales, S., Gadea, J., Rodriguez, A., Blanco-Varela, M.T. & Calderon, V., Compatibility between gypsum and polyamide powder waste to produce lightweight plaster with enhanced thermal properties. Construction and Building Materials, 34, pp. 179–185, 2012.

[10] Gutierrez-Gonzales, S., Gadea, J., Rodriguez, A., Junco, C. & Calderson, V., Lightweight plaster materials with enhanced thermal properties made with polyurethane foam wastes. Construction and Building Materials, 28(1), pp. 653–658, 2012.

[11] Serna, A., del Rio, M., Gabriel, P.J. & Gonzalez, M., Improvement of gypsum plaster strain capacity by the addition of rubber particles from recycled tyres. Construction and Building Materials, 35, pp. 633–641, 2012.

[12] Herrero, S., Mayor, P. & Hernandez-Olivarez, F., Influence of proportion and particle size gradation of rubber from end-of-life tires on mechanical, thermal and acoustic properties of plaster-rubber mortars. Materials & Design, 47, pp. 633–642, 2013.

[13] Jimenez Rivero, A., de Guzman Baez, A. & Garcia Navarro, J., New composite gypsum plaster - ground waste rubber coming from pipe foam insulation. Construction and Building Materials, 55, pp. 146–152, 2014.

[14] Hernandez-Olivarez, F., Bollati, M.R., del Rio, M. & Parga-Landa, B., Development of cork-gypsum composites for building applications. Construction and Building Materials, 13(4), pp. 179–186, 1999.

[15] Colak, A., Density and strength characteristics of foamed gypsum. Cement & Concrete Composites, 22(3), pp. 193–200, 2000.

[16] Rubio-Avalos, J.C., Manzano-Ramirez, A., Yanez-Limon, J.M., Contreras-Garcia, M.E., Alonso-Guzman, E.M. & Gonzalez-Hernandez, J., Development and characterization of an inorganic foam obtained by using sodium bicarbonate as a gas generator. Construction and Building Materials, 19(7), pp. 543–549, 2005.

[17] Knott, E.D., Foaming plaster. Patent US 20090324931, 2005.

[18] Gamarra Ch. Method of making aerated gypsum and resulting product. Patent US1912702, 1933.

[19] Stahl, D. & Puchel, E., Process for preparing foamed gypsum and constructional elements composed thereof. Patent US 4153470, 1979.

[20] Saito, M., Hirai, E., Endo, M. & Nishino, T., Foamed gypsum moulded articles and production thereof. Patent US 4330589, 1982.

[21] Vimmrová, A., Nazmunnahar, M. & Černý R., Lightweight gypsum-based materials prepared with aluminum powder as foaming agent. Cement Wapno Beton, 19(5), pp. 299–307, 2014.

[22] Vimmrová, A., Keppert, M., Svoboda, L. & Robert, C., Lightweight gypsum composites: design strategies for multi-functionality. Cement & Concrete Composites, 33(1), pp. 84–89, 2011.

[23] Larionov, M.T. & Filakhtova, E.A., Kompozicija dlja izgotovlenija gazogipsa. Patent SU 857044, 1971.

[24] Mazur, S. & Kolarz, B., Sposób wytwarzania gazogipsu. Patent PL 54325, 1966.

[25] Bazelova, Z., Pach, L. & Lokaj, J., The effect of surface actice substance concentration on the properties of foamed and non-foamed gypsum. Ceramics-Silikáty, 54(4), pp. 379–385, 2010. 

[26] Akthar, F,K. & Evans, J.R.G., High porosity (> 90%) cementitious foams. Cement and Concrete Research, 40(2), pp. 352–358, 2010.

[27] Zheng, B., Titanium gypsum foamed building block and preparation method thereof. Patent CN 103467056, 2014.

[28] Brencis, R., Skujans, J., Iljins, U., Ziemelis, I. & Osits, N., Research on foam gypsum with hemp fibrous reinforcement. In 14th International Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, Florence, ITALY: AIDIC SERVIZI SRL, Vol. 25, pp. 159–164, 2011