Technical Details

The Topseal systems can be used on practically any type of roof including small dormer and bay windows right through to large commercial projects. Topseal can also be used for a variety of waterproofing requirements including water containment for pools and ponds.

See below the technical build-up, of each Topseal system.

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    The product information below is from the NBS Source library of product clauses offered in NBS specification products. It has been created by NBS for Topseal Systems Ltd.

    Each product clause is authored in NBS format and is intended for inclusion in project specifications. Please note that NBS product guidance is not a replacement for the manufacturer's literature and it is recommended that Topseal Systems Ltd be consulted before specifying.

    Find out more by clicking the NBS Source logo below.

    A dedicated section in NBS software for technical product information and an integral part of the UK’s industry-leading specification system.

    NBS is the preferred specification system for the construction industry, used by the majority of architectural and design practices in the UK. Please see our specifications below


    The Topseal high-performance roofing system is suitable for nearly all roofing applications and can be specified to the latest Part ‘L’ regulations. The Topseal system uses a 450g/m2 roofing-grade reinforcement mat along with our roofing resins and topcoats for the finest roofing system that money can buy.

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    Vapour check /12mm Ext. Ply sub-deck
    Insulation
    18mm OSB3 deck
    450g/m2 Reinforcement Mat
    Topseal Roofing Resin
    Topseal Topcoat Layer
    Topseal GRP Edge Trim
    Topseal Roofing Resin

    The Topseal Heavy Duty system is suitable for heavy, frequent foot traffic such as walkways balconies and stairs or for any flat roof where a heavy-duty specification is required. The Topseal HD system uses a 600g/m2 roofing-grade reinforcement mat along with our roofing resins and topcoats and our non-slip coating for the perfect finish.

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    Vapour check /12mm Ext. Ply sub-deck
    Insulation
    18mm OSB3 deck
    600g/m2 Reinforcement Mat
    Topseal Roofing Resin
    Topseal Roofing Resin
    Topseal Topcoat Layer
    Topseal GRP HD Trim

    The Topseal Heavy Duty system is suitable for heavy, frequent foot traffic such as walkways balconies and stairs or for any flat roof where a heavy-duty specification is required. The Topseal HD system uses a 600g/m2 roofing-grade reinforcement mat along with our roofing resins and topcoats and our non-slip coating for the perfect finish.

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    Topseal overlay primer is laid directly onto a clean, dry and structurally sound substrate (concrete, felt, GRP or asphalt). Used with 600g/m2 roofing-grade reinforcement mat, roofing resin and topcoat. This Topseal system provides you with an overlay roofing system suitable for refurbishment roofs.

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    Direct Lay primer Topseal
    Topseal Roofing Resin
    Topseal Roofing Resin
    600/m2 Reinforcement
    Topcoat Topcoat
    Pre-existing Substrate

    The Topseal double-top system is designed for projects that require extreme durability. The system can be used for almost any roofing application with our 2 x 450g/m2 laminate formed with our specially formulated roofing resin and topcoats. Topseal double-top can also be used for water-containment specifications.

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    18mm OSB3 T & G decking
    450g/m2 Topseal Reinforcement Mat
    450g/m2 Topseal Reinforcement Mat
    Topseal Roofing Resin
    Topseal Roofing Resin
    Topseal Roofing Resin
    Topseal Topcoat
    Topseal GRP Edge Trim

    The Topseal double-top system is designed for projects that require extreme durability. The system can be used for almost any roofing application with our 2 x 450g/m2 laminate formed with our specially formulated roofing resin and topcoats. Topseal double-top can also be used for water-containment specifications.

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    Topseal Green Top is the complete green roofing system with an optional sedum or wildflower living-roof finish. The system includes our Double Top system of 2 x 450g/m2 laminates along with our specially formulated resins and topcoats to finish the perimeter edges in your choice of colour.

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    2 x 450g/m2 Topseal Roofing Laminate
    Drainage/moisture retention layer
    GreenTop substrate
    GreenTop sedum
    Caledonian pebble border
    Retention strip
    Drainage retention strip

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    VERIFICATION

    Every Topseal installer is allocated a unique verification number to prevent 3rd party misrepresentation. You should always ask any Topseal installer for their verification number.

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