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Roof Slating Systems There are essentially two Roof Slating Systems, the Conventional and the Peter low Slating Systems. 1. The Conventional Slating System suitable for roofs having pitchs greater than 30 degrees and where the roof waterproofing relies on the secured Slate pieces on their own. This method is notably a heavy roof where one finds the Slate piece overlap detail as much a three layers in places and where architects must pay particular attention to the required timber specifications to support the Slate and the relative cost thereof. It is important to replace broken Slates. Every broken Slate is a leak. Home owners may not always be aware of the smaller leaks when the roof timbers soak up the water leakage, slowly rotting the wood away and which can result in much more costly repairs.  Slate roof owners should enter into an Annual Maintenance Service Relationship with a reputable Slate Roof Specialist. 2. The Peter low Slating System accommodates all roof pitches and is specific to pitches below 30 degrees. Roof Conversions from a Tiled concrete or clay roof cover to a Slated roof using the Peter Low Slating System is a popular choice because the necessary roof supporting timber specifications are compatible. The Peter low Slating System, roof weight is approximately half the weight of the Conventional Slating System, weighing less per meter square when compared to a Tiled conventional roof and reduces the supporting timber specifications and the relative costs thereof. The success of the Peter low Slating System was achieved by reducing the Slate piece overlap detail and the overall weight of the roof cover in conjunction with the installation of a Roof Felt Waterproof Underlay fixed below each row of Slate.  Guarding against the weathers extremes The Roof Felt Waterproof Underlay of a Peter low Slating system is the absolute waterproof layer. The Slate piece detail essentially becomes a cosmetic protective overcoat to the Roof Felt Waterproof Underlay. The life span of the Peter low Roof Felt Waterproof Underlay has been subject to much discussion and research. In recent years there has been significant improvement to the Peter low Slating Systems useful life span. The inclusion of an Aluminium Foil laid above the Roof Felt Waterproof Underlay and below the Slate pieces serves as a Ultra-Violet protection overcoat to the roof felt waterproof underlay. Prior to the inclusion of the Aluminium Foil Ultra-Violet protection overcoat the Roof Felt Waterproof Underlay was found to last in the region of between 18 and 25 years. This variable was dependant on the severity of the prevailing weather conditions. A Life Span of 32 years had also been recorded. Research found that the useful life span of a Peter low Slating System was dependant on the amount of exposure of the Roof Felt Waterproof Underlay to the suns ultra-violet rays that brake down the Roof Felt Waterproof Underlay waterproofing properties. The Roof Felt Waterproof Underlay is as good as its Slate overcoat. The annual replacement of broken and damaged Slates by a reputable Slate Specialist will ensure the maximum lifespan out of the Roof Felt Waterproof Underlay.  

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Hours not available. Please contact Progressive Roofing CC at (011) 462 8467.

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