Glass Door Cold Frame

To make a cold frame start with an old salvaged window or windows or a clear door such as a shower door.

Glass door cold frame.

It s important that lots of light passes through the lid in order to get the heat build up you need. It s not the cheapest option but it s one of the strongest on the list. If you can t get one use a sheet of glass or twinwall polycarbonate secured to a simple wooden frame. Since our last frost is in november september is still full of icy mornings which is not good for seedlings.

Make sure to the construct the cold frame around the dimensions of the window or door. The glass for my cold frame came from a sliding glass door it started life as double pane glass but a lawnmower thrown rock converted it to single pane it works great. If not sufficiently insulated sliding glass doors can make a room drafty or downright cold. Cold frames are also used to harden off seedlings that were started indoors.

Mar 14 2012 building a cold frame using a shower door for the top. Measuring for a pre hung exterior door can be tricky. If your slab door is more than 25 years old use a pre hung door to ensure a sealed frame. You could use just about any piece of glass as long as it isn t tinted or too large or small just build the wooden parts to fit the glass pane that you have.

Follow this video for specific steps. You can recycle an old window or glass paned door to use as the lid for your cold frame. Try sowing seeds of crops such as radish lettuce endive and scallions directly in the frame for an early or late harvest. It should come as no surprise that sliding patio doors can be a major source of heat loss in a home.

Cold frames are a great way to get the jump on the growing season with your seedlings without a big outlay of cash. This plexiglass topped cold frame offers a rigid surface that will repel snow and rain but which also will allow plenty of light through to the plants below. Recently we built a bunch out of re purposed glass doors and hardwood frames and they re working a treat. To fix the lid to the frame you will need some strong hinges and if you wish you can also add handles.

This is particularly true for older doors doors that are weathered from exposure to the elements and doors without double pane glass. Plexiglass cold frame plexiglass cold frame. The shower door glass is really thick and able to stand up to that stray ball or other flying missles. Pre hung doors include both the door and the frame that supports the door while slab doors include just the door alone.