2. ... then push it onto the distribution pipe: and it's tight!
Easy to understand instructions ensuring safe do-it-yourself construction.
Flat roof, with a gravel surface
Simply lay it on a flat roof.
On a sloping roof you just fasten it at the top.
The collector is attached at the top by means of a perforated stainless steel strip that fits under the roof tiles. Its special design makes it strom-proof.