Commercial Roof Systems

There are numerous roof systems to consider when constructing a new facility or planning a roof replacement. Many factors affect the final decision of a roof assembly – such as code requirements, fire ratings, wind uplift ratings, durability, longevity, aesthetics, and energy savings.

Contact Lorenz and Associates, Inc. to determine the right solution to meet your unique circumstances.

Thermoset Roofing
EPDM (Ethylene-Propylene-Diene-Monomer "Rubber") Thermoset elastomeric single-ply membranes
 
Thermoplastic Roofing (includes "Cool Roofs")
TPO (Thermo-Polyolefin) Thermoplastic, single-ply membranes
PVC (Polyvinyl-Chloride) Thermoplastic, single-ply membranes
Hypolan (Chlorosulfinated-Polyethelyne) Thermoplastic membranes
 
Bituminous Roofing
BUR (Built-Up Roofing) Hot asphalt applied, fiberglass multi-ply membranes
SBS (Elastomeric) Hot asphalt applied, multi-ply, elastomeric, Modified Bitumen Roofing (MBR) membranes
APP Torch applied, multi-ply, heat weld, Modified Bitumen Roofing (MBR) membranes
Cold Process BUR and MBR membranes
 
Vegetated or "Green" Roofs
Roofs that are partially or completely covered with vegetation, growing medium, root barrier, drainage mat, and a waterproofing roof membrane
Modular tray or container garden roof systems containing plants which are placed on a waterproofing roof membrane
 
Special Purpose Coatings
Reflective and UV Resistant coatings for asphalt-based membranes
Leak Proof coatings for membrane or metal roofs with a warranty provided