You can also do a fair amount of checking at ground level.
Slate roof discoloration.
If your slate is looking a little worse for wear do not be alarmed.
The remedies for and means of preventing stains on roof shingles are discussed as well.
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.
Then spray the cleaner onto the shingles photo 1.
Pour it into a pump sprayer strap yourself into a full body harness tie it down and climb to the roof.
Moss often grows in the shade of trees too.
Slate roof defect photo library.
Historic slate roofs should be repaired rather than replaced whenever possible.
Slate shingles do not lie flat against each other and can easily snap under pressure.
Also slate is slippery when wet.
But there are other roof stain colors and causes.
White stains on slate roofs efflorescence or salt stains from rain water sometimes appear on slate shingles.
Often the damage is hidden under overlapping slate courses and becomes apparent only when the roof starts to leak.
When cleaning a slate roof don t use chemicals like ammonia or chlorine bleach.
Buildup of moss and debris on slate roofs hold moisture in the slates that can split them during winter.
Here we give photographs of slate roof conditions including normal wear on slate roofs worn out slate roofs types of slate roof wear and damage and stains or discoloration on slate roofs.
That ll prevent the cleaner from drying out too quickly.
Before applying the cleaner spray the roof with water to cool it down.
Trees plant debris stains stain patches under trees or nearby may be due to seeds berries leaves and other debris falling and decaying.
Take a flashlight and check for water stains on the roof timbers especially after a long period of rain.
You can t walk on a slate roof no matter how shallow its pitch.
You can spot a sloped slate roof tile more easily from the ground.
This slate roofing photo series shows all kinds of roofing slate defects.
If the tiles have water stains check for any hairline cracks.