Simple method of creating a cat/insect proof mesh door. Get two widths of conduit, one to fit inside the other.

Measure two lengths of each type of conduit, one set for each side of the doorway.

Drill small holes through the back of the larger conduit lengths and pass a wire through such that you can wire the conduit to the frame of the greenhouse (can be a little tricky - patience is required!).

Get a length of horticultural mesh and roll a little around one length of narrow conduit - stitch to fix. Repeat on other side of mesh leaving a door width between conduits.

Snap one side into one wide conduit and fix by wiring through the mesh and around both conduits.

To close the 'door' - stretch the mesh across and snap into the second wide conduit.

To store the door 'open' - unclip the narrow conduit by applying pressure from one end and 'unzip'. Roll the mesh arond the narrow conduit until to reach the other side.

Easy and lasts for years if you are careful.


If you are lucky enough to have a wooden greenhouse it is even easier - instead of wire use screws!