On 24 Apr 2005 15:42:08 -0700, wrote:

I guess this is a tough one....
I am thinking of make the most of two roof windows by letting the light
coming from these through the ceiling into the second floor of a
terrace house.

This will work from the light point of view. Our house has a similar system
at the top of a staircase. It doesn't give all that much light, but enough,
but then we don't have a proper window, just polycarbonate replacement roof
tiles, and the (glass!) sheet below is only about 3' x 2'. The glass is
also in what would be called the 'landing' area of the attic floor! We have
thought of replacing it with a sunpipe but they are expensive and we will
probably put in a proper door/window at the top of the stairs at some
point.

No idea about the strength issues with polycarbonate sheets or how to make
them non-reflective surfaces.

Given that what you are proposing to do would cost a bit anyway I wonder if
a sunpipe might be a better idea?



--
Holly, in France
Holiday home in Dordogne
http://la-plaine.chez.tiscali.fr