# What Illinois Weather Does to House Exteriors

Winter salt and soot, spring pollen, humid summers and fall leaf stains all settle on siding, trim and nearby hardscape. Bear Power Wash is a locally owned power washing company in Wilmette, IL. It provides house washing, soft washing and power washing for Chicago and the suburbs, was established in 2024, and is open 24/7. Phone (773) 245-0037. 1143 Greenleaf Ave, Wilmette, IL 60091.

A few climate-specific habits help:

• Shady, north-facing and tree-covered walls tend to grow algae or mildew first. Those sides often need a closer look than a wall that stays dry in the sun.
• Soft washing is the usual method for siding, so growth can be cleaned without driving water behind the boards or scarring the finish. Higher-pressure washing is a better match for durable hardscape than for siding or shingles.
• Roofs should be cleaned gently. A strong pressure stream can loosen shingle granules and let water under the roof.

Many Illinois houses do well with a thorough exterior wash about once a year, often in spring after winter film or later in the warm season if staining has returned. Keep gutters clear and plants trimmed away from the walls so moisture is not held against the siding.