If you were looking for the perfect cold frame for your garden set up you now have 16 different diy cold frames to choose from.
Cold frame just a fiberglass sheet.
To control the temperature in the cold frames i decided to attach univents made by solar vent works.
Univents are odd looking aluminum linkages powered by a temperature sensitive cylinder that raises one end of the cover about a foot to prevent the frame from overheating.
This will help hold in heat and should extend your growing season without overextending your budget.
The frame should be just tall enough to clear the crops you plan to grow.
It can also be purched from charley s greenhouse supply to the covers.
Cold frame table cold frame table.
To close in the ends of the cold frame s lid cut out two 18 x 18 x 25.
They are laid out with the long dimension running east to west.
The frame can be constructed out of many materials but wood is the most common choice.
Decide on the width depth and height of your cold frame so that you can buy the right amount of wood as well as the right size transparent sheet to go on top.
Traditional home garden cold frames measure 4 to 6 feet front to back and are 8 to 12 feet long.
With a clear acrylic sheet on top plenty of light hits the inside and there s a handy shelf underneath which provides a little extra storage space.
Step 3 construct your frame.
And the fiberglass and along the seam where the material contacts the horizontal 1 x 2 s will help to retain heat.