General features

Impermeability is guaranteed in all severe weather conditions thanks to the draining joint obtained by the special internal labyrinth shape which conveys any seepage to the gutter due to a water head caused, for instance, by an accumulation of snow, hail or other debris;
it can be installed on roofs with very low slanting angles, even less than 1%;
a highly technological alternative to synthetic and bituminous sheaths guaranteeing a longer life and no periodical maintenance;
This system allows natural expansion of the roofing;
Ideal for definitive re-roofing;
The Alugraf system components can be made directly on site with no length restrictions. Sheets of any length wanted can be made directly on site with the mobile profiling unit, ready to be lifted to the height wanted, solving logistic transport, handling and storage issues.

	Curving capacity (on big spans)

	Immunity to thermal expansion Sliding bracket and no holes on the outside

	Heat insulation /Thermal break The polyamide bracket is between the structure and metal sheet

	Electrical insulation Faraday Cage

It is a modular roofing element, easily replaced if localised maintenance work is necessary;
The roofing elements are coupled together by simply pressing them into place;
Roofing sheet that, thanks to its “symmetrical” shape means a considerable saving on cutting waste especially in the case of hip roofs;
Simplicity in positioning and fastening the sheet;
The sheet’s width modularity means optimising use of the material and easily getting round obstacles such as chimneys or other projecting elements;
No restraints as regards to the direction of installation thanks to the sheets’ symmetrical profile;
Excellent resistance to treading on.