You might ask what the heck I mean with "semi-fake" slate roofing. Itīs either real, natural slate or some imitation, isnīt it?
Composite roofing shingles
Actually, there are also composite materials tiles imitating the look and features of natural slate tiles. These composite roofing materials consist of real, natural slate powder and plastic component, and often are called also
the lightweight slate shingles.
Properties of composite slate roofing
The basic material for this semi-fake slate shingles is the slate powder (ground natural slate). The powder is mixed with plastic material (polypopylene, polyethylene or their compound) to form the composite meld - mixing rat...
Just like any other shingled roof, the slate shingle roof consists of overlapping small surface plain parts made of natural slate or imitation slate-like materials (e.g. rubber slate roofing).
The water is drained down/away off the roof as the slate shingles are being installed under certain slope. If there was just the hydrostatic pressure (no pitch), the slate tiles would let the water through (slate tiles are not suitable for low slope or flat roofs as they would very probably sink).
Slate roofing materials
For sure, the most used of all slate roofing materials is the naturalslate which is a reliable, simply cleavable, weather-stable mineral of a fine st...