Building the Propagation Chamber

My Greenhouse and Garden

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Building the Propagation Chamber

This is the basic steps in building my propagation chamber.

First I built the basic box, About four foot by eight foot. I used plywood and 2" x 4"s. I insulated the bottom and the sides. I then lined it with plastic so the sand would not leak out. The lid is made with 1"x 3"s, and hindged in the back.

The Box

I made the Heat Matt using gutter heat cable and hardware cloth. The Hardware cloth is 1/2" by 1/2" wire mesh. I used plastic wire ties to attach the heat cable to the hardware cloth. I laid it out in loops five inches apart.

Heat Cable

Next I put in 2"s of sand in the propagation box.

Add Sand

The Heat Matt goes in next.

Put Cable in Box on Sand

I mounted a heat matt thermostat to the wall, and pluged the matt into it. It has a temperature probe to insert into a plant tray. Set the thermostat to the desired temp.

Plug Heat Cable into Thermostat

Close the lid and your ready to go.

All Done Lid Closed