Siniat Joint Cement 25kg Bag

Siniat Joint Cement 25kg Bag

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    Additional Info

    Product Code:
    • Speak to an insulation expert:
      Get in touch with us over our LIVE CHAT or 02038839057
    • Application:
      Air-drying compound mainly used for stage 2 and 3 of the tape and jointing process
    • Type:
      air-drying compound
    • Product Size:
    • Estimated Delivery:
      2-3 Working Days

    Product Description

    Siniat Joint Cement 25kg Bag

    Siniat Joint Cement 25kg Bag

    Siniat Joint Cement is an air-drying compound mainly used for stage 2 and 3 of the tape and jointing process.

    Technical Performance 

    Weight: 25kg

    Usage: Jointing

    Appearance: White powder

    Composition: Calcium carbonate with binders and additives to improve workability

    Water Requirement: Approximately 12 liters of clean water per 25 kg bag. Additional water can increase shrinkage

    Physical Properties / Product Performances

    Air-drying*: 12 - 48 hours

    Min. Working Temperature: 5°C

    Max. Working Temperature: 35°C

    Shelf Life: 9 Months

    Reaction to Fire: A2-s1, d0

    Coverage per bag*: 150m2**

    Sanding Paper Grit: 120

    *Values are approximate and dependent on workmanship and environmental


    **Area of the board covered by applying compound as finishing coat only


    - Air drying powder joint finishing compound for professionals 

    - Manufactured in 25kg bags for better value

    - Easy to mix

    - Providing superior coverage 

    - Easy to sand 

    - Provides A QUALITY FINISH

    - Perfect complement to Siniat Joint Filler

    - Suirtable for stage 2 and 3 of the taping and jointing process

    - Available to buy direct online


    - Use in accordance with British Standards codes of practice BS 8212:1995 and BS 8000-8:1994 workmanship.

    - For hand or machine application.

    - Not suitable for bedding external corner protection.

    - Do not apply setting compounds over air-drying compounds


    Plasterboard surfaces should be reasonably clean and dry. Boards should be fully secured, and any proud fixings should be driven plumb with a hand screwdriver, prior to taping and jointing. 


    Combine Siniat Joint Filler with the required amount of water in a clean container. Mix until a smooth workable consistency is achieved. Excessive mechanical mixing should be avoided, and low speed mixers should be used. Allow the compound to stand for 3-4 minutes  and check the consistency with a hand trowel before use.

    Application onto the board joint

    Apply Siniat Joint Cement (alternatively use Siniat Joint Filler) to the joint to bed GTEC Joint Tape and immediately overcoat to fully fill the tapered edge boards. Ensure product is dry before applying finishing layers of Siniat Joint Cement.

    If you have questions about Siniat Joint Cement 25kg Bag 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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    Siniat Joint Cement 25kg Bag

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    When you order from, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order's shipment. You can choose your preferred shipping method on the Order Information page during the checkout process.

    The total time it takes to receive your order is shown below:

    The total delivery time is calculated from the time your order is placed until the time it is delivered to you. Total delivery time is broken down into processing time and shipping time.

    Processing time: The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.

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