British Gypsum Gyproc Promix Lite Joint Cement 17L

British Gypsum Gyproc Promix Lite Joint Cement 17L

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    Additional Info

    British Gypsum
    Product Code:
    • Speak to an insulation expert:
      Get in touch with us over our LIVE CHAT or 02038839057
    • Application:
      Suitable for the finishing stage over Gyproc Joint Filler or for all stages with mechanical jointing tools. Also compatible with the majority of airless spraying equipment.
    • Type:
      Ready-mixed jointing product
    • Product Size:
    • Estimated Delivery:
      2-3 Working Days

    Product Description

    British Gypsum Gyproc Promix Lite Joint Cement 17L

    British Gypsum Gyproc Promix Lite Joint Cement 17L

    A ready-mixed jointing product, which is lightweight and has low shrinkage. Compatible with the majority of airless spraying material.

    A ready-mixed jointing product that is lightweight and easy to sand. Suitable for the finishing stage over Gyproc Joint Filler or for all stages with mechanical jointing tools. Also compatible with the majority of airless spraying equipment. This formula provides excellent workability, very low shrinkage and easy sanding. British Gypsum Conforms to EN 13963.

    Product Details

    Dimensions: 17 L Tub

    Key Facts

    Complies with EN 13963, type 3A

    Used in the traditional 3-stage jointing process


    Gyproc ProMix lite can be used for all stages of hand or mechanical jointing of plasterboard, Glasroc F multiboard, Glasroc F firecase and Rigidur h. Also suitable for spray application using suitable airless spraying equipment.


    Gyproc ProMix lite complies with EN 13963 type 3A, and is manufactured under a quality system independently audited and certified as conforming with ISO 9001: 2008.


    Fire resistance

    Most fire-rated British Gypsum systems require the board joints to be filled, either with Gyproc jointing materials or Thistle finish plasters, even in locations where the system is not visible to building users, in order to achieve the tested performance. Gyproc ProMix lite is suitable for this purpose.

    Effect of temperature

    Ambient and background temperature must be maintained above 10°C until fully dry. Unused product in tubs must be protected from freezing. The Gyproc plasterboard background is suitable for situations where the temperature does not exceed 49°C.

    Effect of condensation and other moisture

    Gyproc ProMix lite should be protected from continuous exposure to moisture. Prolonged or repeated exposure to moisture may cause a loss of strength and / or adhesion.

    Application and installation

    Background preparation

    Plasterboard surfaces should be reasonably dry, clean and protected from the weather. Boards should be securely fixed with no steps between adjacent boards. The correct fixings must be used and properly located with their heads just below the liner surface. Any protruding screw heads should be driven home with a hand screwdriver, prior to spotting and jointing. Gaps between boards greater than 3mm should be pre-filled using Gyproc Joint Filler or Gyproc Easi-Fill prior to taping with Gyproc Joint Tape.


    Pallets of tubs should not have other materials stacked on top. The product should be maintained between 5°C and 30°C. Tubs are marked with the ‘Manufactured’ date in order to permit use in strict rotation. The product should be used within six months of manufacture.


    Gyproc ProMix lite is supplied ready mixed with water, at a consistency suitable for hand application. Stir before use, then dilute only if necessary and using no more than 0.75 litres per bucket. Excessive dilution increases shrinkage and drying times, and reduces strength. Excessive mechanical mixing should be avoided, and only low-speed mixers used. Once opened, material may be stored in the tub and used over a week, if protected from drying out or contamination by other materials.


    After the finishing coat has dried, sand lightly to remove trowel marks, etc. Apply Gyproc Drywall Primer to the whole surface to prepare the surface for painting, or Gyproc Drywall Sealer in one coat to prepare for wallpapering or two coats to provide a vapour check.


    If the product is correctly applied and not exposed to moisture or mechanical damage, it should not require any form of maintenance.

    If you want to buy or have any questions about British Gypsum Gyproc Promix Lite Joint Cement 17L please call us on 02038839057! You can also text us back in our live chat.

    Please find all datasheets in PDF & BROCHURES section.

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    British Gypsum Gyproc Promix Lite Joint Cement 17L

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