Why House Siding Looks Faded After Washing: Causes and Fixes

House siding looks faded after washing primarily because cleaning removes dirt, algae, and pollution that had been hiding ultraviolet-damaged surface material. The exposed layer may be oxidized, chalky, or unevenly stripped by pressure, so the siding appears lighter or patchier after drying even though the wash did not create all of the damage. Key Facts […]