We are professional waterproofing contractors serving property owners in and around Los Angeles for over 30 years. Our technicians specialize in the application of waterproof, sheet metal, deck coating, air barriers, roofing and much more. We operate through three divisions: Roofing, Waterproofing and Sheet Metal.
Farshad Java — Called them 3 times to get an estimate for a roof leak. On the first call, receptionist asked me to call the Nelson ( the