Christmas Opening Hours

Last Order Date - 18th December Click here for More Info .

Call our Team on 0115 6976 800

Siniat  |  SKU: LM163167

Siniat Joint Filler - 12.5kg Bag

Nationwide Delivery in 3-5 WORKING DAYS

  • Delivery: £50 ex VAT

Need a next-day or named day delivery? Call Us.


£11.55 Ex VAT
£13.86 Inc VAT
Shipping calculated at checkout.

Used as a setting compound for bedding and filling plasterboard joints, this Siniat Joint Filler comes in a 12.5kg bag. To be mixed with water (approx 7L of water to one 12.5kg bag) and applied to Plasterboard joints.

Apply Siniat Joint Filler to the joint, embed GTEC Joint Tape and immediately overcoat to fully fill the tapered edge boards. Ensure product is set before applying the finishing coats with Siniat Joint Cement.

  • Complies with BS EN 13963: 2005 Type 3A
  • Sets in 90 mins.
  • Use at temps between 5C - 45C.
  • Weight: 12.5kg

Data Sheets & Guides:

Siniat Joint Filler Data Sheet

  • Size
    12.5kg
  • Coverage (m²)
    25
  • Reaction to Fire
    A1
Need Help? Call our Team on 0115 6976 800

Do You Ship to My Address?

We deliver to most mainland UK addresses. If you are in one of the areas listed below and are unable to checkout, please give us a call to put together a custom quote.

Northern Ireland (BT), Isle of Wight (PO30-37), Isle of Man (IM), Scottish Highlands and Orkney Isles (PA, ML, EH, KA, G, KY, PH, DD, AB, IV, KW), Outer Hebrides and the Shetland Isles (HS, ZE) will incur additional charges and may also experience delivery delays.

How Much Will My Delivery Cost?

You can work out the cost of delivery on your order before checkout by heading to our Delivery Info page.

How Long Will Delivery Take?

We aim to deliver your items in 3 - 5 Working Days unless otherwise specified (eg - Sheds and Paving Kits). After you have placed your order, we will process your order and book a delivery day - which will then be sent to you via Email.

If have a specific request, please do give our team a call on 01156976800 and we will do our best to help.

What If I Need to Return Something?

If for any reason you wish to return your purchase, we will offer a refund or an exchange as long as this is requested within 14 days of receiving your order.

A manufacturer’s restocking charge may also apply on certain products such as non-stock items, which may be up to 30% of the purchase price, and you will be notified of this amount when you request a refund or exchange.

For full information visit our Returns Policy.