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Although roof repairs Joburg and waterproofing are similar, there are important distinctions between them that must be considered by designers, architects and contractors.
Roofing and waterproofing membranes are used on decks as barriers to moisture entry into the spaces below. Both share some similar functional requirements, but others are quite different. For optimal performance, it is important to understand the different loads and stresses waterproofing systems are exposed to when compared to roofing systems.
Roof repairs Joburg can be defined as the treatment of a surface or structure to prevent the passage of water under hydrostatic pressure. The non-exposed waterproofing membrane is used to protect walls, floors, and tunnels below grade from groundwater and to protect spaces below plaza decks that are on or below grade. It is also used to isolate wet spaces, such as shower stalls and mechanical rooms from other areas of the building and to contain water in pools, planters and trenches.
Water lying on or against any surface exerts pressure, which increases in direct proportion to an increase in depth. Water exerts force and pressure against the walls of a container, be it the vertical walls or horizontal floor.
The hydrostatic head to which any structure is subjected to affects the rate of moisture penetration. The most effective means of roof repairs in Joburg any structure is the removal of the “head of water” by providing drainage. When this cannot be accomplished, waterproofing is required to prevent moisture entry. The waterproofing system selected needs to be capable of withstanding all the anticipated loads that will be acting upon it.
Roof contractors Joburg may also be used to treat an exposed surface to prevent the passage of, and deterioration from, water into or through an underlying structure (typically concrete) without the presence of hydrostatic pressure. The waterproofing may be exposed, and act not only to prevent water transmission but also serve as a wear and traffic surface. These surface waterproofing membranes must, similar to roofing membranes, be UV resistant and withstand varying environmental conditions. Surface waterproofing membranes are designed with specific performance properties in mind to address a range of applications resisting abrasion.
Full adhesion will also limit moisture migration should a breach at roof repairs Joburg occur.