TERM DEFINITION Glossary We have selected and given definitions for some terms that you may encounter while reading this Guide and that you may not be familiar with their meaning or use. Aircrete element Usually, prefabricated lightweight building material of specific dimensions, with which we compose (build) walls, parapets, and entire structures. Break point It is the point where the end of an application (building material) is located and the beginning of another, different type of building material (e.g., the point where a wood paneling meets a stone paneling). At the breaking point, we usually notice the presence of a joint, the sealing of which should be completed with the appropriate sealant. Brickwork The construction element (structure) of a building which is made of bricks. Brushable cementitious waterproofer Cement-based waterproofing product of one or two components. Applied to the surface to be waterproofed using a paint roller or an emulsion brush. Brush marks - roller marks, paint lapping When applying paint or varnish on a surface, we observe some distinct lines in the result of the application surface after drying, which negatively affect its aesthetic image. These lines are related, on one hand, to the properties (including the coverage) of the product in combination with its application tools, but also with the uneven absorbency rate of the paint substrate. They are also associated with non-compliance with the proposed dilution of the product. Building opening The opening (s) of a building in which doors or windows are to be installed. Building statics (static structural adequacy) It refers to the ability of a building to effectively receive mechanical stress from various causes (e.g., earthquakes), as well as the weight of its floors without being damaged. Static structural adequacy is defined -at any time- based on a relevant engineering study and the applicable national and/or international building codes and regulations. Carbonation barrier Product/coat of a product that is interposed between a structural element made of cement-based materials and the external environment and thereby prevents, or slows down the carbonation of concrete (or another cementitious structure/element). Consequently, it also protects against the corrosion of steel reinforcement/rebar (if such reinforcement exists). Carbonation of concrete elements Carbonation of concrete is a slow process in which excess calcium hydroxide contained in the concrete reacts with atmospheric carbon dioxide to form calcium carbonate. The carbonation of a concrete element begins immediately after its construction and can eventually lead to corrosion of the steel reinforcement (rebar) of the structure and cause serious damage to it. Clay roof ridge tiles The ridgeline of the roof is made of clay roofing tiles, which are installed (glued) with special purpose durable mortar and protect the roof from moisture penetration into its substrates. Elastomeric or cementitious products are also available for sealing roof ridges. Repair & Renovation Guide 293
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