PPG has introduced PPG Machinecoat WB (waterborne) weathering stain for new commercial cedar shingles. The low-VOC stain is an alternative to traditional solvent-based PPG Machinecoat alkyd weathering stains. Whitish-grey when machine-applied to new cedar shingles, PPG Machinecoat WB weathering stain lightens over a six-to-nine-month period, gradually assuming the appearance of aged cedar that blends naturally into its surroundings. The faux-weathered appearance lasts until the cedar begins to age and fade naturally.
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