The best is to get make a metal or plastic frame and fasten the plexiglass cover on top of it.
How to make wood window well covers.
Diy window well cover made from 2x4.
One run a sprinkler over it the grate and make sure no water goes inside the well.
A basement window cover or window well cover can be built using different materials and styles.
Make a diy window well cover at home under 10.
If it passes all 3 test you have successfully installed an egress window well cover.
I needed a large window well cover to protect a below grade window and for egress.
Keep in mind these waterproofing coverings require both a top covering section and a base section for the covering to attach to usually with rubberized edges that act as seals.
It is not going to be strong when someone steps over it though.
12 creative plans added.
You can follow the following designs as a starter.
Apr 14 2018 in this video i used 3 4 emt to make a window well cover frame for my rockwell egress window well.
Two have a child try to open it the grate by standing inside of the well to make sure that a child can open it.
I used clear corrugated greenhouse roofing to allow light.
Plexiglass on wood or metal.
The best window well coverings you can make are plexiglas or a similar material as long as you have the tools to cut it.
We trimmed only the back flange by drilling 1 4 inch holes at the corners of the notches and using a hacksaw to trim the flange so it slides into the window recess.
The shape of some window well covers helps keep them from bending so make any cuts as small as possible.
Three open it by standing beside the grate outside.
There was nothing commercially available in this size so i built it myself.
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Some diy designs of basement window covers.