Task difficulty: Quite easy

Step by step process

1. 

   Step 1

   First put on your safety glasses and gloves. Then make up this tough filler 4.5 parts filler to 1 part water and mix to a smooth paste. For very porous surfaces use slightly more water and moisten the area before application.

2. 

   Step 2

   Using a small filling knife, fill the gap between the bricks carefully, angling it in at the top so rain runs off and leave to dry for approximately 60 minutes.

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