Roof Washing in Treichlers, PA 18086

Treichlers Roof Washing Services

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On this page: Our Process · Reviews · FAQ

Treichlers is a small village along the Lehigh River near Walnutport, in the rural northwestern stretch of Lehigh County. The river moisture and the wooded lots in this part of the valley make for steady algae, moss, and lichen growth on roofs.

A single low-pressure wash handles all three. The detergent kills the growth at the root and the rain finishes the rinse over the next few weeks. No pressure on the shingles, no scraping.

Pressure Brothers washing a house Before and After of a house cleaned by Pressure Brothers Before and After of a pool deck cleaned by Pressure Brothers Before and After of a walkway cleaned by Pressure Brothers An awning before and after being cleaned by Pressure Brothers Half of a retaining wall pressure washed to show before and after before and after split view of a pressure washed front walkway Before and After of a pool deck cleaned by Pressure Brothers Dirty concrete with the word 'dirty' pressure washed out of it Dirty concrete with a smiley face pressure washed out of it

Our Process

Plant and Property Protection

Before anything touches the roof, we protect all plants and landscaping around the home. We bag every downspout to collect leftover detergent and prevent it from reaching the grass or garden beds.

Low-Pressure Detergent Application

We apply a specialized detergent to the entire roof surface using a low-pressure method. The detergent is designed to kill all growth on the shingles, including algae, moss, and lichen. No high pressure is ever used on the roof.

Immediate and Ongoing Results

The algae and black streaking disappear immediately during the wash. Heavier growth like moss and lichen turns bright white after the detergent is applied. Over the following weeks, the dead growth breaks down naturally and washes away with the next good rainstorm. We use this approach specifically to avoid pulling growth off prematurely, which could damage the shingles underneath.

What Our Customers Say

"Very satisfied with the work and results. Thank you"

Jason P.

"⭐️⭐️⭐️⭐️⭐️ If I could give more stars I would! 🤩 Pressure Brothers did an absolutely amazing job on our house wash! From start to finish, the entire experience was professio..."

Emily W.

"Above and beyond 5-star service! From my initial contact to meeting Ryan for a more than fair estimate, to Robbie's (at the time promised) and crew PLUS Joe's finishing touches, Pr..."

Tony P.

Frequently Asked Questions

Riverside pockets like Treichlers hold moisture in the air longer than the more open parts of the valley, and the wooded lots add the shade that lets shingles stay damp instead of drying out between rains. That is the combination algae and moss show up on first.
Yes. Insurance carriers across Lehigh County are paying closer attention to algae, moss, and lichen during inspections and renewals. A professional roof washing is the most affordable response.
Yes. High pressure cracks shingles, strips protective granules, and voids manufacturer warranties on newer roofs. We never use pressure on a roof.
Yes. Our team works across all of the Lehigh Valley, including the smaller villages and rural pockets throughout Lehigh and Northampton County. The drive does not change the price or the process.
We serve Treichlers and the surrounding villages including Walnutport, Cherryville, Danielsville, Laurys Station, and the broader northwest Lehigh and northern Northampton County area.

Why Treichlers Homeowners Choose Pressure Brothers

Treichlers sits in a wooded riverside pocket of Lehigh County, where steady moisture off the Lehigh River and heavy tree cover combine into the kind of environment moss and lichen love. Most Treichlers roofs we see have heavier growth on the north-facing slopes that stay shaded most of the day.

Our low-pressure detergent application handles all of it without any pressure on the shingles. Every job includes plant protection, downspout bagging, and a final walkthrough.

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Last updated May 2026

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