Are control joints needed for large tiled areas when installing Ezi-Grid® Tile Underlay?
Answer: Yes, at 5 metres and in rooms where there is a change in direction, that is L-shaped rooms and at doorways.
Can Ezi-Grid® Tile Underlay be glued only or can I not use glue?
Answer: The Ezi-Grid® Tile Underlay must be glued and nailed when installed to soft wood floors.
Can Ezi-Grid® Tile Underlay be installed in a walling application?
Answer: No, Villaboard® Lining must be used in wall applications.
Can Ezi-Grid® Tile Underlay be laid over a concrete floor?
Answer: No, James Hardie does not recommend Ezi-Grid® Tile Underlay be fixed directly to a concrete floor by nailing or gluing.
Can Ezi-Grid® Tile Underlay be screwed when installing?
Answer: No, Ezi-Grid® Tile Underlay must be nailed and glued.
Can Ezi-Grid® Tile Underlay be used over timber in an external decking application?
Answer: No, James Hardie does not recommend Ezi-Grid® Tile Underlay as an Underlay in an external decking application. Our 15mm or 18mm HPC products must be used as specified in our Decking Construction Manual.
Can I lay my tiles over a control joint in Ezi-Grid® Tile Underlay?
Answer: No, the control joint must continue through the tiles to the surface.
Can I use 2 layers of Ezi-Grid® Tile Underlay to raise the level of the floor to match existing floors?
Answer: No, James Hardie does not recommend this method of fixing. You may consider other methods of floor materials or compounds to raise the floor level.
Can I use a nail gun to install the Ezi-Grid® Tile Underlay sheets?
Answer: No, the nail is a 2.5 x 25mm Underlay Nail, which has been specifically designed for this application.
Can I use Ezi-Grid ® Tile Underlay in a bathroom?
Answer: Yes, you can use Ezi-Grid® Tile Underlay in all floor areas in a bathroom, as long as the product is waterproofed as per the manufactuers instructions. For further details on suitable waterproofing products, contact a waterproofing manufacturer.
Can I use Ezi-Grid® Tile Underlay in place of Vinyl & Cork Underlay?
Answer: No, because the grid pattern may penetrate through to the vinyl & cork products.
Does Ezi-Grid® Tile Underlay waterproof the floor?
Answer: No, when a floor requires waterproofing an appropriate waterproofing membrane must be used as per Australian Standard for Waterproofing AS3740
I have some Villaboard® Lining sheets left over from tiling the wall, can I use them as an underlay?
Answer: No, Villaboard® Lining sheets are for wall and ceiling applications only, Ezi-Grid® Tile Underlay must be used in an underlay application.
