Black stains, mold, moss, and lichens can be cleaned with minimal scrubbing using the mold cleaner D-95 CLEANER or the natural stone cleaner D-7. Rinse with plenty of water. After cleaning, non-waterproofed roof tiles or those with deteriorated waterproofing should be waterproofed using the roof tile waterproofer D-59 or NANO PROOF CERAMIC DS-270.
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Stubborn stains on roof tiles
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Stubborn stains on roof tiles
