Paving Slab Supports
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Paving Slab Supports - 1

Paving slab supports PA 20 plus

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Paving Slab Supports - 2

Roof terraces and other paved areas Choose alwitra paving slab supports and roof terraces and balconies can be covered reliably and efficiently. Design and Installation Recommendations • Roofs that are subjected to regular traffic must be designed and constructed in accordance with all relevant standards, regulations and Codes of Practice. • Paving slab supports should only be used on stable, smooth substrates sufficiently strong to resist crushing. Paving should have a minimum length of 400 mm and a maximum length of 500mm. • Paving on paving slab supports is suitable as ballast to provide...

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Paving Slab Supports - 3

alwitra is the expert when it comes to waterproofing flat and pitched roofs. With a system of integrated components and many years of experience and knowhow, we can offer perfect solutions for new build and roof refurbishment. alwitra paving slab supports are part of the proven alwitra roofing systems. Furthermore, these unique systems comprise: roofing and waterproofing membranes (thermoplastic membranes) – roof edge trims – wall cappings – wall flashing profiles – paint finishes – coated steel sheets – roof lights (including smoke venting systems) – rainwater outlets – flat roof vents

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Paving Slab Supports - 4

Paving slab supports Paving or Tiles on terraces and balconies need to be installed with an allowance for movement. This will prevent cracking as a result of thermal stress. If cracks occur, water can enter and when “frozen” it can destroy the covering. This is also true of paving slabs or other types of hard walkways which are laid in cement or other mortar beds where purely surface drainage cannot be guaranteed. In these circumstances, subsequent damage can also occur to the waterproofing layer and flashings. Those risks can be avoided if the slabs are laid with open joints on alwitra...

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Paving Slab Supports - 5

Paving slab supports PA 20 plus Technical data Material • Polyamide black • Temperature-resistant from -40 to +100°C Base plate • Diameter 150 mm • Surface 175 cm2 Spacers • Quantity 4 • Diameter (width of joint) 6 mm • Height 65 mm Slab support • Quantity 4 • Diameter 30 mm • Individually height adjustable by 20 mm, protected against reverse turning and overtightening, from 35 to 55 mm, preset on 40 mm • Load capacity 4 x 2 kN (800 kg) Paving slab supports Tile spacer • Quantity 1 • Height 23.5 mm • Thickness 6 mm Impact sound improvement measurement Δ Lw,R = 28 dB Requirement • 4 pcs/sqm...

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Paving Slab Supports - 6

Laying paving slabs on alwitra paving slab supports is simple and largely unaffected by weather conditions. Once the roofing is completed loose lay: Protection layer (Fleece/Rubber Matting or other suitable material) Paving slab supports (with shims, if required) Paving slabs Tile spacers It is recommended that laying should start from the outlets towards the perimeters, cutting paving slabs, at the perimeters as required. The paving needs to be secured against lateral movement. Paving supports are located beneath the corners of the paving slabs and each slab is supported on every corner by...

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