How to tile balcony floor

Written by april kohl
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How to tile balcony floor
When laying tiles, mortar only a short distance ahead of yourself. (Jupiterimages/Comstock/Getty Images)

Tiling a balcony floor adds strength and a hard-wearing quality to the floor. With the right pattern to complement the view and any balcony furniture you may have, a well tiled balcony can enhance your home. The wide choice of colours and tile patterns available means a tile balcony floor need not be a drab choice but may instead reflect your preferences and lifestyle choices.

Skill level:
Moderately Easy

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Things you need

  • Hot roofing tar
  • Mortar
  • Trowel
  • Ditra waterproofing membrane
  • Kedri membrane strips
  • Craft knife
  • Tiles
  • Grout
  • Grouting tool
  • Grout sealer

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  1. 1

    Lay down a roofing membrane such as hot tar using a trowel or other material-appropriate equipment. Allow to dry. Mix mortar and apply a thin layer to the balcony using a trowel. Ensure that the mortar causes a slight slope away from the building if the balcony does not already incorporate an incline, as this will lead water away from the main building. Do not allow the mortar time to dry yet.

  2. 2

    Lay out a strips of Ditra waterproofing membrane across the balcony. Cut it to shape around any railings and other fixed structures on the balcony using a craft knife. Cover any joins between sheets of membrane using strips of Kedri membrane. Allow the membrane and the mortar time to set.

  3. 3

    Lay a single strip of mortar in a thin layer over the top of the membrane with a trowel. Arrange the tiles on the mortar. Use tile spacers to correctly arrange the tiles on the balcony. Lay another thin strip of mortar. Arrange tiles on the new strip. Repeat until all tiles are laid. Let the mortar dry. Fill in the gaps between the tiles using grout. Let the grout set. Apply grout sealer.

Tips and warnings

  • Spread only enough mortar to lay down about three of four tiles as any more will begin to dry before you can lay down more tiles. If this happens, you could damage the membrane underneath when you remove the set mortar to lay fresh mortar to put tiles on.
  • The roof must slope away from the house to prevent water pooling on the balcony and to prevent water running along the balcony and down the wall of the house in the join between the balcony and the main building. This will prevent rot and extend the life of the balcony.

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