Stains On Slate Roof

This quality is what distinguishes slate as a suitable roofing material.

Stains on slate roof.

If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it. Stains and wear indicators on slate roofing a photo guide. The slate roofing. Slate is a beautiful and popular medium for fireplaces and patios but it is highly susceptible to stains from water and hard calcified deposited stains under pots and other items.

That warranty should contain a guarantee that if the slate develops pyrite stains ugly rust colored streaks the slate manufacturer will pay to replace your roof. Slate is a sedimentary rock with miniscule layers that easily cleave. Slate edges showing moisture absorption but generally good condition these slates have a good remaining life. If your slate is looking a little worse for wear do not be alarmed.

Once turned into roofing material slate absorbs water and can naturally de laminate during the freeze and thaw cycles of winter. The white markings shown on these roofing slates is a mineral deposit left behind as water evaporates. White efflorescence on roofing slates. Here is a diagnostic guide to types of stains and staining materials found on roof surfaces black red green brown or other coloured stains on asphalt roof shingles or on other roofing materials need first an accurate diagnosis of the stain cause and then proper steps to remove the stain or to prevent future staining on roof shingles surfaces.