Substrates for Norstone Stone Cladding
Norstone rock panels weigh approximately 60kg m2, therefore it is critical that they are fixed to an appropriate substrate to ensure a successful installation.
Norstone products can be installed onto concrete, brick, suitable high density concrete blockwork or suitable backerboards (see below).
The background must be free from any dust, debris, paint or any other substance that will inhibit the bond of the adhesive. It must be stable and able to support the load of the selected Norstone product.
If the substrate is not even, we recommend applying a render coat to create a smooth, flat surface prior to fixing Norstone, using Laticrete 3701 Fortified Mortar* in accordance with the instructions in our technical library.
If a new wall needs to be built of a thinner and lighter substrate then Hardie Backerboard (6 or 12mm) for internal walls, HardieWall (19mm) or Knauf Aquapanels for external walls must be used.
Warranties are available if used in conjunction with Laticrete MVIS. It is mandatory that local building codes be followed in the installation of Norstone rock panels. Please consult your building authority with any specific questions relating to the local building codes.
*NB - The Laticrete 3701 Fortified Mortar cannot be applied to HardieWall.
Norstone products can be installed onto concrete, brick, suitable high density concrete blockwork or suitable backerboards (see below).
The background must be free from any dust, debris, paint or any other substance that will inhibit the bond of the adhesive. It must be stable and able to support the load of the selected Norstone product.
If the substrate is not even, we recommend applying a render coat to create a smooth, flat surface prior to fixing Norstone, using Laticrete 3701 Fortified Mortar* in accordance with the instructions in our technical library.
If a new wall needs to be built of a thinner and lighter substrate then Hardie Backerboard (6 or 12mm) for internal walls, HardieWall (19mm) or Knauf Aquapanels for external walls must be used.
Warranties are available if used in conjunction with Laticrete MVIS. It is mandatory that local building codes be followed in the installation of Norstone rock panels. Please consult your building authority with any specific questions relating to the local building codes.
*NB - The Laticrete 3701 Fortified Mortar cannot be applied to HardieWall.
HardieWall external cement board - 19mm tongue and groove
Knauf Aquapanels
We are delighted to add Knauf Aquapanels to our range of warranted substrates. A 15 year Laticrete MVIS warranty is available; more details will shortly be available in our technical library.
Knauf Aquapanel Exterior and Interior to be installed as per Knauf UK project specific specification for use in conjunction with Norstone products. Please contact Knauf with project information to finalise your project specification – please provide elevations, plans and sectional details of the area.
NB For external Norstone cladding, the battening or framework the Knauf Aquapanel Exterior is fixed to should be at 300mm centres (max.)
Knauf Aquapanel Exterior and Interior to be installed as per Knauf UK project specific specification for use in conjunction with Norstone products. Please contact Knauf with project information to finalise your project specification – please provide elevations, plans and sectional details of the area.
NB For external Norstone cladding, the battening or framework the Knauf Aquapanel Exterior is fixed to should be at 300mm centres (max.)
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