406 Pressure Clean
Stucco Washing in Montana
Stucco is one of the most delicate exterior surfaces to clean. Our soft wash process removes mold, algae, efflorescence, and stains from stucco homes safely — without cracking or damaging the finish.
Why Stucco Requires Special Care
Stucco is a porous cementitious material that can crack under high water pressure. High-pressure washing can force water into existing hairline cracks, expanding them and allowing water infiltration into the wall cavity. In Montana's climate, this water then freezes and causes significant structural damage. Only soft washing is appropriate for stucco exteriors.
Mold and Algae on Montana Stucco
Stucco's rough, porous texture is a perfect harbor for mold, algae, and mildew. These organisms penetrate into the stucco surface rather than sitting on top, which is why scrubbing or high-pressure washing are ineffective — they remove the visible surface growth but leave the roots behind. Our soft wash chemicals penetrate the stucco and kill biological growth at the root for a longer-lasting clean.
Efflorescence on Stucco
White mineral staining (efflorescence) is common on stucco homes in Montana due to moisture cycling through the material. We treat efflorescence with masonry-specific cleaners before washing to dissolve the mineral deposits without damaging the stucco finish.
Frequently Asked Questions
Can stucco be pressure washed?
Not with high pressure. Stucco requires soft washing — low pressure combined with professional cleaning solutions. High pressure can crack and damage stucco permanently.
Will washing affect my stucco paint?
Our soft wash process is safe for painted stucco. We use cleaning solutions appropriate for painted surfaces and will not strip properly adhered exterior paint.