OUR SYSTEMS

Inverted Ballasted Roof

Most popular hot melt system build up, usually installed onto a concrete deck (alternative decks can be used).

  • KEY FEATURES-

    1. Concrete deck primed with Permatec Primer
    2. Two coats of Permatec Ecowrap incorporating Permaflash-R reinforcement
    3. Permaguard-F protection layer
    4. XPS Rigid Board Insulation
    5. WCL (Water Control Layer)
    6. Minimum 50mm layer of 20-40mm rounded washed aggregate
    7. Minimum 50mm thick paving slabs on proprietary supports

Technical Drawings

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Timber Wall Junction Detail

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Torch-on Upstand Detail

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Concrete Upstand Detail

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Threshold Upstand Detail - Rebated Sill

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Threshold Upstand Detail - Flush Sill

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Parapet Outlet Detail

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Oulet Detail

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Channel Drain Detail

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Parapet with Cap Flashing

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Change of Level Detail

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Typical Trimmed Edge Detail

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Gutter Drip Edge Detail

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Hockey Stick Pipe penetration Detail

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Fire Hydrant Penetration Detail

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Pagola Support Detail

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Expansion Joint Detail

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Joint & Crack Detail

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Upstand Detail

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Rendered Upstand

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Scupper Outlet