Guaranteed Flat Roofing Services, Inc. is truly an honest, conscientious, quality roofing Contractor exclusively doing flat roofing in the Boston and surrounding areas since 1970. As a third generation family run business, a name you can trust. Fully licensed and insured contractor specializing in three story residential homes
(3 decker) with thousands of satisfied customers. We install, repair and maintain flat roof systems whether they are commercial, industrial or residential. No job is too small (porch roof) nor too big (large warehouse building).
 

Guaranteed Flat Roofing is an award winning, certified Carlisle approved rubber roofing contractor, as Carlisle products are known to be the best in the industry with the highest standards. Striving to give our customers a quality finished product that will last for decades.
 
 

 
 

Give us, your flat roof experts, a call for a free estimate whether it is for a total roof replacement or a small leak.
                                                                                                                                We know you'll be happy you did!