Mannara Contracting specialize in all types of flat roofs. These include Heat Welded Modified Bitumen,EPDM Rubber Roof Systems, and the latest PVC and TPO Ultraguard Thermo Plastic Membrane Systems . Being factory-trained and approved applicators for John Manville, GAF Rubberoid, Firestone and Genflex , we can offer up to a 25 Year Guarantee on specific systems. Over the last 30 years we have earned the trust of hundreds of satisfied customers and offer a 24 hour emergency roof repair service. Serving all of Long Island. We provide quick estimates onsite for free. We will check for signs of fatigue including the roof membrane and flashings. Once we determine the type and condition of your roof deck and examine the insulation (including "R" value), we will provide you with a detailed proposal. The next time you need a Commercial Roof Service make sure it's because you called 1-800-FLATROOF.