Essential Tips for Flat Roof Maintenance to Maximize Durability and Efficiency

Routine maintenance is the most effective way to enhance the durability and functionality of your flat roof. Roofing systems such as APP 160, APP 180 torch-down, EPDM, TPO, and SBS (like GAF Liberty) need particular attention. Use this expert maintenance guide to ensure the protection of your home and secure your roofing investment.

Extend the Life of Your Roof with Proper Maintenance

🔍The Importance of Flat Roof Maintenance

• Prevent leaks and early damage—flat roofs are more susceptible to water accumulation.

• Enhance energy efficiency with reflective coatings.

• Prolong system lifespan and avoid premature replacements.

• Maintain warranty status—many manufacturers require documented maintenance.

Flat roofs need regular maintenance to guarantee their longevity. Regardless of whether your system is APP torch-down, SBS modified bitumen, EPDM, or TPO, performing preventive maintenance can extend the roof's lifespan and minimize expensive repairs.

🔥 APP 160 Torch-Down System (such as Firestone, Elevate, Polyglass)

Maintenance:

• Re-seal seams every 5–7 years

• Clean debris and inspect flashings twice a year

• Apply aluminum reflective coating every 3–5 years (APP 160 only) to prevent UV damage(Do not coat APP 180 systems, which come with ceramic granule protection.)

Manufacturers:

• Elevate (formerly Firestone): 30-year Red Shield Warranty available

• Polyglass: Offers extended warranties with proper maintenance & system registration

• GAF: Not common for APP torch-down; more focused on SBS systems

🧱 APP 180 Torch-Down System (Granulated Finish)

Maintenance:

• No coating required

• Re-seal and inspect seams every 5–7 years

• Biannual inspection of drains, scuppers, and flashing areas

Manufacturers:

• Elevate (Firestone)

• Polyglass

• CertainTeed

Warranty: Typically 20–30 years, depending on system and installation method

🧊 EPDM Membrane Systems (Carlisle, Mule-Hide)

Maintenance:

• Clean surface and remove algae or dirt

• Inspect seams and edges every 6 months

• Apply seam tape or lap sealant if needed

Manufacturers & Warranty:

• Carlisle SynTec: 15–30 year limited warranties

• Mule-Hide: 20-year system warranties (registered)

🌐 TPO Systems (GAF, Johns Manville, Elevate)

Maintenance:

• Remove debris and clean membrane with manufacturer-approved cleaner

• Inspect heat-welded seams and details every spring and fall

• Re-weld or patch if separation is detected

Warranty:

• GAF EverGuard: Up to 30 years

• Elevate UltraPly: Up to 30 years

• Johns Manville TPO: 20–25 year warranties

🔧 SBS Liberty System by GAF

Maintenance:

• No coating required

• Ensure granules remain intact; brush off dirt

• Re-seal exposed areas as needed

Manufacturer:

• GAF (Exclusive for Liberty System)Warranty:

• Up to 20 years with full system installation

🛠 Recommended Products by Manufacturer

System Type	Manufacturer	Product & Warranty
APP 160	Firestone, Holcim/Elevate	Base + smooth cap; warranty up to 20 years
APP 180	Firestone, Holcim/Elevate	Granule cap sheet; warranty 20+ years
EPDM	Firestone RubberGard	Seams, flashing, 10–20 year warranty
TPO	Elevate UltraPly	Fully adhered TPO, 10–20 year warranty
SBS	GAF Liberty	Tough modified system, 20–30 year warranty

✅ Professional Tip:

Schedule spring and fall inspections with a contractor. Always use compatible products for repairs based on manufacturer specs.

📞 Need Help Maintaining or Re-Sealing Your Flat Roof?

Summit Sky Home Improvement LLC offers complete maintenance services for:

• APP Torch Systems

• SBS Modified Bitumen

• EPDM & TPO Membranes

📍 Serving NYC (Queens, Brooklyn, The Bronx, Manhattan)

📞 Call: (347) 977-7786

🌐 www.summitskyhomeimp.com

✉️ Email: info@summitskyhomeimp.com