Islip, NY Roof Installation & Repair. GAF Certified

Replacing your roof isn't just about shingles. We install ice and water shield in the valleys and along eaves, synthetic underlayment across the whole deck, new drip edge on rake and eave, starter strip, and ridge vent. That's how a roof lasts 30 years in New York.

Step flashing at chimney walls is the number one leak source we see in Islip. Improper step flashing causes roof leaks. It's that simple. We install new step flashing with a chimney cricket for proper water diversion, sealed with Geocel tripolymer sealant. Fix it once, fix it right.

Wind damage doesn't always look obvious from the ground. Lifted shingles, broken seals, exposed nail heads. You can't see any of that without getting on the roof. Our Islip inspector does a full 27-point inspection, free of charge.

New construction or an addition? We install new roofing systems from scratch. Decking inspection, ice and water shield, synthetic underlayment, ventilation calculations, and whatever material you want on top. Shingles, metal, or flat.

Corrugated metal and R-panel are cost-effective options for barns, detached shops, and covered patios in Islip. We install 29-gauge and 26-gauge corrugated with exposed fasteners using neoprene washer screws. For homes, we recommend 24-gauge standing seam with concealed fasteners. Cleaner look, no exposed fastener maintenance. DaVinci composite shake and slate profiles give you the metal longevity with a traditional New York aesthetic.

Architectural shingles are what 80% of Islip homeowners choose. They look better than 3-tab, last longer, and handle wind better. We install GAF Timberline, Owens Corning Duration, and CertainTeed Landmark.

PVC roofing membrane for Islip restaurants, commercial kitchens, and any rooftop near grease exhaust. PVC resists animal fats and chemical exposure that destroys TPO and EPDM. We install IB Roof Systems and Duro-Last PVC with heat-welded seams and custom-fabricated accessories. Built-up roofing (BUR) with 3-4 plies of fiberglass felt in hot asphalt is still the longest-proven flat roof system with a 30+ year track record in New York.

Our Islip commercial crews handle everything from small retail strip centers to 50,000 sq ft warehouses. TPO, EPDM, modified bitumen, metal. We're certified installers for all major commercial membrane systems.

We offer aluminum, copper, and steel gutters for Islip homes. Most folks go with .027 gauge seamless aluminum. It's durable, affordable, and comes in 25+ colors. Copper looks amazing but costs 3-4x more.

We climb up, walk the entire roof, and document what we find with photos and measurements. Takes about 30 minutes. You see exactly what we see. No mysteries, no scare tactics.

Emergency roof repairs for active water intrusion follow a strict protocol: tarping with reinforced polyethylene sheeting secured to the roof deck, interior water extraction guidance, and temporary flashing at penetrations. Our Islip emergency crews carry 20x30 tarps, 2x4 nailer boards, and masonry anchors for various deck types. Permanent repairs are scheduled within 48-72 hours once materials are sourced.

Skylight installation costs $1,200-$3,500 in Islip depending on size, type, and roof pitch. That includes the unit, flashing kit, interior trim, and roof patch-in. We handle everything from the outside in.