Core • Module 3
Module 3 — Roof Soft Wash: Shingle vs. Tile vs. Metal & Florida Insurance Rules (Lesson)
Module 3 — Roof Soft Wash: Shingle vs. Tile vs. Metal & Florida Insurance Rules (Lesson)
Hey Operator,
In Florida, roof soft washing is rarely a "cosmetic" purchase—it is an insurance retention and roof-life preservation service. Underwriting carriers use aerial satellite imagery (Nearmap / EagleView) to flag black Gloeocapsa magma streaks as "accelerated granule loss or ponding." When you understand roof substrates and Florida building codes, you become a trusted advisor to homeowners and Realtors.
1. Substrate Matrix: Shingle vs. Barrel Tile vs. Coastal Metal
| Roof Substrate | Primary Biological / Environmental Threat | Operator Soft Wash Protocol & Risk Controls |
|---|---|---|
| Architectural Fiberglass Shingle | Gloeocapsa magma cyanobacteria feeding on limestone filler (CaCO3), causing curling & heat retention |
Strictly ARMA-compliant low-pressure (< 60 PSI) application from ladder/ground; never use a pressure washer or walk brittle sun-baked slopes |
| Concrete & Clay Barrel Tile | Deep-pore black algae, green moss, and yellow/grey lichen anchored in porous tile valleys | Two-coat dwell cycle (let chemistry dissolve root hyphae rather than scrubbing); walk only on the structural bottom pan overlap when roof access is mandatory |
Coastal Metal (Kynar 500® PVDF & Galvalume) |
Salt-air oxidation, pine tannin staining, and clear-coat chalking along Clearwater/Gulf beaches | Lower chemical strength + high surfactant rinse; test for chalky TiO2 oxidation first and flush immediately with high-volume fresh water |
2. Florida Statutory Positioning (SB 4-D, SB 2-D & FBC § 706.1.1)
- Satellite Non-Renewal Notices: Carriers frequently mistake black algae streaks on 8–14 year old roofs for structural wear. Our timestamped Before/After Proof Pack gives the homeowner's 4-Point inspector clear visual evidence of intact shingles/tiles after soft washing.
- Florida Building Code
§ 706.1.1(SB 4-D/F.S. § 553.844(5)— The 25% Roof Rule): Roofs permitted after March 1, 2009 that meet the 2007 FBC are no longer forced into full replacement when a section is repaired, provided the rest of the roof passes inspection. Soft washing removes organic camouflage so inspectors can verify true remaining useful life underF.S. § 627.7011(SB 2-D).
Field Guide & Interactive Calculator (tbsoftwash.com)
🏠 Interactive Florida Roof Calculators & Homeowner Guides: Share these resources with customers facing insurance inspections or HOA notices:
Do this next (assignment)
- Practice the 60-second Insurance Proof Pack script: explain how before/after ridge-and-valley photos help a homeowner's 4-Point inspection.
- Audit your truck's plant-protection kit (12' x 400' Painter's Plastic + 8" x 350' 6 Mil Poly Tubing + dedicated ground rinse gun).
References (SOPs + checklists)
- Roof Soft Wash SOP v2: 04_sops/roofs/roof-soft-wash-sop-v2.md
- Landscaping Protection: 02_chemicals/pages/landscaping-protection.md
Gear Box (Amazon)
Roof Delivery & Rinse Control
- Delavan 5850 12V Soft Wash Pump or Delavan FB3 7 GPM 12V Pump — ARMA-compliant low-pressure roof delivery.
- Zoreblay ST-510 Soft Wash Gun — high-flow poly trigger gun for 40+ ft roof reach.
- General Pump RB35 Low-Pressure Wash Down Gun — dedicated high-volume ground rinse gun for continuous plant saturation.
- Flexzilla 5/8" x 100ft Supply Hose — lightweight, non-kinking ground rinse line.
Traction, PPE & Plant Masking
- XTRATUF Men's Ankle Deck Boots / XTRATUF Women's Ankle Deck Boots / HUK Rogue Wave Deck Shoe — maximum wet-surface traction.
- 3M 12' x 400' Painter's Plastic + 8" x 350' 6 Mil Poly Tubing Roll — bagging downspout discharges and delicate Japanese maples/hibiscus.
- 3M Half-Face Respirator 6300 + 3M 60926 Multi-Gas/P100 Cartridges — respiratory protection in warm roof-wash mist.
Disclosure: As an Amazon Associate, we earn from qualifying purchases.
🛡️ Module 3 Safety Gate — ARMA Roof Soft Washing & Florida Insurance Rules
Safety Gate Check
Pass this quick operator knowledge check (80%+) to verify SOP mastery and unlock your track certification.
1. What causes the black streaks on Florida asphalt shingle and barrel tile roofs, and why does ARMA forbid high-pressure washing?
2. How do you protect landscaping during a 3%–5% SH roof treatment when gutters are NOT installed?
Select an answer for all 2 questions, then click Verify Answers.