SPECIFICATION

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Topseal is a BBA certified GRP roofing system fitted with a 20 – 40 year product and workmanship guarantee. Topseal systems are cold liquid applied and are fitted by our national network of trained and approved installers. Developed and manufactured in the UK, Topseal is designed to deliver a roofing solution to suit practically any shape or size of roof in a range of colours and finishes for applications from technically challenging replacement lead gulleys on listed buildings through to large scale commercial projects. Topseal has a BBA certified range of systems, that are also IS0:14001 and ISO:9001 certificated.

The unique versatility of Topseal means it can be used and is specified for a wide range of waterproofing applications from small domestic projects, such a dormer roofs through to large scale commercial projects including commercial roofs, balconies and walkways.

We also offer our CPD presentation on “An introduction to GRP Waterproofing” If you require a CPD on the Topseal products, please fill in the arrange a CPD form on the left hand side or alternatively contact us by phone to discuss a suitable date and time for your team.

Alternatively you can call Topseal’s experienced and friendly technical team today to help you with any further technical information on the Topseal fibreglass (GRP) systems, and if needed, to assist you in making sure you specify the right Topseal system for your project no matter how big or small it maybe.

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    The Ultimate in
    Waterproofing Systems

    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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    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

    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

    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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    Topseal PU (Polyurethane) is a high-performance flat roofing system with guarantees of 20 & 25 years which comprise of: Topseal PU Primer (if required), Topseal PU Basecoat and Topseal PU Topcoat, fully reinforced with 225gm chopped strand reinforcing mat. These systems are moisture triggered polyurethane membranes that cure together to form a seamless, durable waterproof coating for all flat roof types.

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    Installer

    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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