As an manufacturer of bifolding doors, this is always a discussion point with our clients - there are a range of choices Crimsafe make a bifolding security screen door - functions like a typical bifold but with the added security that only Crimsafe can offer There are retractable insect screens like Freedom, which we have used on several of our bifold installations, through ti Centor Or if you are really adventurous you would use an air curtain, above the bifold to deter the flies from coming in to the home at all (if you do a search for air curtains on google you will find a vast number, used extensive in commercial applications but creeping more and more in to our homes Enjoy your wide open space that your bifold will create - www.centralglass,net.au

There are a few bamboos that fit the bill, including Bambusa 'Alphonse Karr' and Bambusa textilis 'Gracilis' (slender weaver). Check out this site for bamboo info http://mrbamboo.com.au Facing north the bamboo will require a lot of water, and can look dry in summer. It is beautiful though. The suggested species get to about 4m. You can prune them if you are dedicated. Otherwise hedge and front plant, or a climber if you construct some form of support.

louvres are expensive ..our remote controlled one for our roof costed us 16-18K as had to go through council for permits..it also depends on how big the space is to be installed..this was done a few years back so prices might have gone up..considering our sliding sunroof was 26K we got a bargain with that..as louvres are not water tight..

@Wuff good to hear. We've settled on the stacker doors for those same reasons, for the project. Have bifolds at current house & I like them but at time of installation approx. 8 yrs ago we wanted them to fold inwards so we could screen them, oh no never heard of that, can't do that (they said). Of course now that's all possible, consequently rarely are they opened fully. At least we have a fixed/opening door on one side of the bifold set & also another single security screened door at the back of the house as a main entry point that we leave open all day.