Detail Product

Bostik Ultra Mastik - Premium tile adhesive

: Tile Adhesive


Ultra Mastik - Premium tile adhesive

Ultra Mastik is a large format specialist tile adhesive made to reliably hold up to 600 x 600mm with no slip.  The white colour and smooth texture makes for easy troweling.

Key Features

  • Holds 600x600mm Wall Tiles
  • Smooth trowel feel
  • Superior bond strength

Recommended Uses

Suitable for using in immersed situations such as pool tiling or simply tiling a bathroom. It can be used in commercial and high traffic installations on both floor and walls, indoor and outdoor. Ideal substrates include concrete, rendered bricks, green screed, fibre cement and plasterboard.

Product Details

  • Rated as a C2S1TE – can be used in demanding and high traffic situations
  • For best performance, surfaces must be primed with an appropriate Bostik Primer such as Prime Grip for non-porous substrates, Multiprime for porous substrates and Specialist Primer for over Dampfix PU waterproofing membrane.
  • Use for pool tiling by adding Bostik Megalastic
  • Upgrade to superior performance with Bostik Megalastic
  • Finish your tiling masterpiece with the Bostik Designer two-part epoxy grout to leave a long lasting impression

Discover Tiling. By Bostik and our Substrate to Surface Solution, designed to take you from start to finish with our 4 step process – Prep. Seal. Stick. Finish.


To ensure that tiles are installed correctly, please consider using a tiling professional. All Natural Stone and Encaustic tiles should be sealed immediately after install.


To ensure long lasting, beautiful tapware, please do not use any chemical based or harsh cleaners. Also avoid any rough surface materials such as scourers, only use a soft cloth with warm soapy water.


We deliver Australia Wide baby! To estimate delivery time to your beautiful home, see our Shipping info here.


To ensure that our product is perfect for you, before purchasing please consider reading our Refunds and Returns Policy here.