🚨 24/7 EMERGENCY STORM LEAK RESPONSE ACTIVE IN REDMOND & KING COUNTY
16612 NE 128th St, Redmond, WA 98052
+1 425-948-8042
ATH Roofing modern flat roof in Redmond WA
ATH Roofing logo ATH ROOFING Flat Roofing & Replacement Experts • Redmond, WA
Free Quote
Redmond's #1 Rated Flat Roofing & Roof Replacement Specialists

Superior Roofs Built For Pacific Northwest Weather.

From high-performance commercial & residential flat roof membranes (TPO/PVC/Torch-Down) to full tear-off roof replacements in Redmond, Bellevue & King County. Guaranteed craftsmanship & manufacturer warranties.

Licensed, Bonded & Insured Guaranteed Same-Day Service Available 0% Financing Available
Emergency Call: +1 425-948-8042 Explore All Services

Request Instant Quote

Get an official roof assessment & estimate within hours.

★ Signature Flat Roof Masters

Pacific Northwest Premier Flat Roofing Systems

Flat roofs in Redmond and King County require specialized, zero-compromise waterproofing due to heavy rain accumulation and standing water risks. At ATH Roofing, we design and install engineered single-ply membrane and multi-ply modified bitumen systems designed to handle 30+ years of PNW downpours.

TPO Membrane

Energy Star white reflective single-ply membrane. Superior heat-welded seams prevent leaks and lower energy bills.

PVC Flat Roofing

Chemical and grease resistant membrane perfect for commercial kitchens, modern flat homes, and low-slope roofs.

Torch-Down Bitumen

Dual-layer rubberized asphalt torch-welded for indestructible protection against water ponding.

Slope Conversions

Expert crickets and tapered insulation system installation to eliminate standing water on existing flat roofs.

Book Flat Roof Inspection Over 500,000 sq ft installed in WA
ATH Roofing flat roof TPO installation in Redmond
Flat Roof Spec - Redmond WA TPO 60-Mil Membrane

100% leak-proof heat-welded installation with manufacturer NDL warranty.

Complete Roofing Services

Comprehensive Residential, Commercial & Community Roofing

From same-day emergency leak calls to gated community roof restorations and full commercial installations, ATH Roofing provides certified guaranteed solutions.

âš¡ Same-Day Service Guarantee: Book before 12 PM for guaranteed same-day emergency inspection and temporary tarping in Redmond & King County.
Primary Specialty

Flat Roofing Systems

TPO, PVC, and Modified Bitumen flat roof installations and repairs with seam-heat welding for zero leak vulnerability in PNW weather.

Request Quote →
Same-Day Dispatch

Emergency Roof Services

Guaranteed same-day emergency leak response, active storm tarping, structural stabilization, and immediate crew callout.

Call Dispatch Now →

Roof Replacement

Complete tear-off and replacement using premium CertainTeed, Malarkey, or GAF architectural shingles and standing seam metal roofing.

Learn More →

New Roof Installation

Custom roofing design and engineering for new residential custom home builds, additions, and modern structures.

Learn More →
Same-Day Booking

Roof Inspections

Same-day high-resolution drone imaging and thermal infrared leak detection to identify trapped moisture before wood rot spreads.

Schedule Inspection →
Same-Day Repair

Leak Detection & Roof Repairs

Same-day precision repair of active ceiling drips, compromised step flashing, missing shingles, and flat roof membrane punctures.

Fix A Leak →

Storm Damage Repair

Severe wind damage restoration, tree limb puncture fixes, and step-by-step insurance adjuster representation and claim approval.

Insurance Assistance →

Roof Cleaning & Maintenance

Eco-friendly soft-wash moss treatment, pressure-free roof debris clearing, gutter flow clearing, and preventive seal coatings.

Schedule Clean →

Vents & Boots Replacement

Replacing dry-rotted pipe collar boots, exhaust fans, ridge vents, and plumbing flashings to eliminate hidden attic leaks.

Replace Boots →

Skylight & Solar Tube

Velux certified leak-proof skylight replacements, glass seal repairs, and energy-efficient natural light solar tube fittings.

Skylight Quote →

Chimney Repair & Flashing

Custom soldered lead and copper counter-flashing, step-flashing, cricket installation, and chimney mortar sealing.

Repair Chimney →

Commercial Roofing

Complete roof maintenance, single-ply re-roofs, and preventative inspections for retail malls, warehouses, and offices.

Commercial Quote →
HOA Approved

Gated Communities & HOAs

Specialized multi-unit residential roofing, architectural color matching, HOA compliance management, and private estate access care.

HOA Community Quote →
Optimized for AI Search & SGE Overviews

Direct Answer Roofing FAQ

Clear, verified answers regarding roof maintenance and local Redmond code standards.

Direct Answer: TPO (Thermoplastic Polyolefin) is ideal for Redmond WA homes and businesses because its seams are hot-air welded together, creating a monolithic seal stronger than the membrane itself. This eliminates standing water leaks caused by Redmond's ~38 inches of annual rain and moss growth.

Local Contact Hub

Visit Our Redmond HQ or Call Direct

Serving Redmond, Bellevue, Kirkland, Sammamish, Woodinville, Mercer Island, Bothell, and Greater Seattle.

Headquarters Address

16612 NE 128th St, Redmond, WA 98052

Phone Number

+1 425-948-8042 Available 24 Hours / 7 Days A Week

Official Website

athroofing.com Licensed & Registered Washington Roofing Contractor
Call Dispatch Now Free Quote