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This unique system from Allproof utilises aspects from two original designs, the cantilever bracket and threaded leg system. A securely mounted frame greatly increases strength in areas of use, especially in high traffic areas, and the support legs provide reinforcement as the grates become wider.
Allproof incorporates its own unique 12mm rubber spacer to ensure the drip line from sill is maintained. The frame cleverly makes the adjustment required to take up the differing remaining space to the building with our in house fabrication. A 123mm wide grate is utilised, this is standard from the existing polymer concrete range.
All level threshold applications require the construction of a boxed channel - this creates the 200mm width required. Construction anchors will be fitted to be set into the concrete pour and left protruding into the formed channel when boxing is removed. This allows the “bolted bracket frame” to drop in onto and be fastened to the bolts at a later stage. This removes the requirement of the system to be on site until later in the construction schedule, removing pressure around time of pour.
When tiles or pavers are to be used, the height of the frame and grate can be raised to suit by setting the bolts lower.
Wider applications in large doorways can be satisfied with the same system. Once the frame has been installed the grates can be fixed with provided security bolts completing the system.
Used Country wide, notably in schools and community centres where accompanied with the GFN grate to provide a cost effective solution.
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