Slate Roof Stains

A slate roof can cost from 12 to 40 per square foot according to websites and roofers i consulted.

Slate roof stains.

Slate is a sedimentary rock with miniscule layers that easily cleave. Take a flashlight and check for water stains on the roof timbers especially after a long period of rain. You can also do a fair amount of checking at ground level. Slate edges showing moisture absorption but generally good condition these slates have a good remaining life.

You can spot a sloped slate roof tile more easily from the ground. The white markings shown on these roofing slates is a mineral deposit left behind as water evaporates. If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it. 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.

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. If the tiles have water stains check for any hairline cracks. Staining 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. That warranty should contain a guarantee that if the slate develops pyrite stains ugly.