Effect of Artificial Ageing on Sprayed Waterproof Insulation Based on Polyurethane Elastomer

Jaroslav Pokorný; Marek Moucha; Jan Fořt; Zbyšek Pavlík

doi:10.4028/www.scientific.net/KEM.707.72

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Numerical Analysis of Reinforced Concrete Beam Strengthened with CFRP or GFRP Laminates
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Numerical Capacity Examination of RC Beams Subjected to Partial Rebar Corrosion
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Effect of Artificial Ageing on Sprayed Waterproof Insulation Based on Polyurethane Elastomer
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Influences of Temperature and Suction on Pile Capacity in Homogeneous Silt Layer
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Synthesis, Structure-Property Relationships of DOPO-Phosphonamidates and their Flame Retardant Application
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Properties of a Sandwich Thermal Insulation Composite with Silica Aerogel
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 707Effect of Artificial Ageing on Sprayed Waterproof...

Effect of Artificial Ageing on Sprayed Waterproof Insulation Based on Polyurethane Elastomer

Abstract:

Ground water, rain and other environmental effects are important moisture sources which affect the durability and performance of basements, roofs, underground and other building structures in the direct contact with moisture. Waterproof materials such as bitumen sheets, polymeric foils and membranes provide basic protection of constructions against harmful moisture action. However, in some cases, the applicability of commonly applied waterproof insulation systems is limited as for example in tunnel constructions with complicated geometry or in areas with unstable subsoil. Here, advanced types of waterproof materials find use. On this account, sprayed waterproof coating based on polyurethane elastomer designed for protection of complicated shapes and extremely mechanically loaded structures is experimentally researched in the paper. The obtained data give clear evidence of a good resistance of studied coating against artificial accelerated temperature ageing. The studied material has high resistivity to impact and ductility. The interaction of accelerated aging and impact loading has no effect on vapor-and waterproof function of the insulation layer. In addition, polyurethane elastomer provides a sufficient adhesion to the typical buildings materials, such as concrete, ceramic brick, etc.