Extending Your Home Water Line

• 1). Map out the placement of your greenhouse's waterline's point of entry, outlets, drain and dry well.
  
  
• 2). Determine the number of water outlets needed. Each system (misting, drip) can have its own outlet or one spigot can be installed with a multi-way outlet.
  
  
• 3). Connect your home's water line to your greenhouse. Follow local zoning codes. You may be able to use copper, plastic or PVC pipe. Bury the pipe 3vto 4 feet below ground (below the frost line) if you live in a cold region.
  
  
• 4). Plan to include valves on both ends of the system and a non-return valve at the greenhouse end to prevent any damage to the home's plumbing system.
  
  
• 5). Dry fit the pipes prior to installation to ensure they are fitted correctly.
  
  
• 6). Dig a large pit and fill with gravel. The drainpipe runs into the pit and wastewater seeps through the gravel, avoiding soil erosion. This pit is called a dry well and most greenhouses use this drainage system.
  
  
• 7). Install the drain and plumbing prior to pouring the concrete floor.
  
  
• 8). Pour the concrete floor. The finished floor should slope toward the drain.