On 9 Dec 2016 17:57:50 GMT, KenK wrote:

This is the type with a grove around the frame to hold plastic screen. I
bought a small roll of screen and one of the rollers to install it.

Before I attack it, and hints or warnings?

TIA

Use new rubber spline, usually the old crap doesn't have the required
pliability. I prefer the metal screen myself. Also, watch a couple
of YouTube videos on the process.