Start with a compacted base of sand or roadbase. If you want to use this product in an existing garden and can’t compact, follow the instructions for soft base.
HARD BASE INSTALLATION INSTRUCTIONS
STEP 1 Place the edges on the surface roughly where they need to be. STEP 2 Join all edges together with Tek screws or pop rivets and use a stringline to get them perfectly aligned. STEP 3 When happy with position hammer twisted nails in to secure the edge. Use four nails per length, alternating the side you hammer them in. STEP 4 You can now backfill against the edge.
RIGHT ANGLE CORNER
If you want to make a right angle corner, cut a V in one shoulder of about 120 degrees. This allows you to bend past 90 degrees as it will spring back a bit. Also make a cut in the wall (it’s a double wall product), but stay +/- 5mm clear from the top to get the best result: