Commercial Roofing Haltom City TX - Roof Repair Dallas, Roofers - Mid Cities Roofing - commercial

Commercial Roofing

The ABCs of Asphaltic Roofing Systems

Mid Cities Roofing handles a complete line of products for the asphaltic roofing systems most commonly used in commercial applications:
  • Conventional built-up roofing (BUR)
  • Modified bitumen roofing
  • GAF CompositeRoof systems that combine select BUR and modified bitumen materials into a multi-ply composite construction

Asphaltic Roofing System Advantages

Each system offers specific advantages in terms of economy, strength, construction, fire resistance and overall durability.

Conventional Built-up Roofing (BUR)

In use for over 100 years, BUR remains the industry standard, the most specified method of protecting flat and low sloped roofs, because of it familiarity among the trades, proven history and the redundant protection offered by multiple plies. GAFMC's premium quality line of BUR systems and components satisfies all your needs for even the most demanding applications.

Modified Bitumen Roofing

Modified bitumen membrane roofing, a more recent technology, offers greater flexibility and impact resistance, as well as better low-temperature characteristics. GAFMC modified bitumen membrane systems satisfy a complete range of cost requirements and fire resistance standards.

Composite Roofing Systems

Increasingly popular are the composite, or hybrid, roofing systems that combine BUR felts and modified bitumen membranes. Through sophisticated testing methods, researchers have matched selected bitumen products to offer solutions with high tensile strength, high flexibility and exceptional strain energy, for long-term reliability


GAFTEMP PERMALITE Roof Insulation is a rigid mineral aggregate insulation board composed of expanded perlite, cellulose fibers, binders, and water-resisting agents. Its tough top surface is treated to retain bitumen for a tight bond with the membrane. Available in 24" x 48" and 48" x 48" boards

  • A thermal insulation and base for most roofing membranes over most structural deck.
  • A layer to protect foam insulations from hot asphalts.
  • A protective layer over soft insulation susceptible to traffic damage.
  • When FMRC and/or UL approved systems are specified.
  • Tough, heavy top surface retains asphalt to bond tightly to the membrane.
  • Exceptional fire resistance.
  • Cost-effective thermal performance for moderate R-values.
  • Proven performance for more than 30 years.
  • Guaranteed as a substrate by most single ply, modified bitumen, and BUR membrane manufacturers.
  • Resistant to water penetration.
Applicable Standards:
GAFTEMP PERMALITE Roof Insulation is in compliance with:
ASTM Standard C728
UL listed in various fire rated assemblies. See current UL Fire Resistance Directory.
UL Class A constructions on both combustible and non-combustible roof decks. Where UL labels are required, customer must so order in advance.
UL requirements of TGKX metal deck assemblies.
See UL Building Materials Directory for applicable UL Construction Numbers.
See UL Fire Resistance Directory for Fire Resistance Rated Roof-Ceiling Design Numbers (BXUV).
Listed in UL Building Materials Directory under Mineral and Fiber Boards (CERZ), Fire Hazard Classification of Mineral and Fiber Board (BQXR), and Built-Up Roof Covering Materials (TFJR).
FMRC Class 1, FMRC Approved Treated Wood Roof Deck, Insulated Steel Deck, Concrete (Uplift Resistance Classification 1-60, 1-90, 1-120, 1-150 and 1-180), and Non-Combustible Deck Construction.
FMRC Class 1, in "Approval Guide Equipment, Materials, Services for Conservation of Property."
Plus, City of Los Angeles under Report #RR-23599; The Office of the California State Fire Marshall under Listing #4310-134:5; and Metro Dade County, FL.

Water Barrier

Water Barrier is a flexible sheet made of specially compounded PVC (polyvinyl chloride) resins. Available in 10, 20, 30, and 56 mil thicknesses, the sheet forms a barrier keeping external moisture from damaging the structure. The product is designed for use in unexposed applications such as below grade and behind or beneath other building components. 10, 20, and 30 mil sheets are available in 4', 5', and 6' wide rolls, and 56 mil sheets are available in 3' wide rolls.
  • Provides protection from moisture damage to buildings, building components, and building contents.
  • Bridges structural cracks resulting from concrete curing or minor building movement.
  • Chemical and bacteria resistant.
  • Can be factory-cut to specifications.
  • Variety of thicknesses and widths to meet virtually any job requirement.
  • Puncture and tear resistant. 
  • Chemically compatible with mortar and concretes.
  • Use with Lexsuco CA 103 to seal laps, and Lexsuco CA 106 to adhere to substrate.

Cost Benefits of System Integration

In today's environmentally conscious and conservation-oriented society, building performance is measured not only in initial installation costs, but also in sustained cost benefits--savings on maintenance, fuel and energy over the life of the building. Integrated, high performance building materials and systems of proven capability are critical for realizing such savings, as life-cycle analysis indicated, and Mid Cities Roofing plans each roofing component to fill an essential role in total system performance, ensuring maximum life cycle cost advantages.
Ruberoid torch-applied membranes are tough, resilient modified bitumen membranes manufactured to stringent specifications. Their core is a strong, resilient, non-woven polyester mat that is coated with weather resistant, polymer-modified asphalt. "FR"-designated membranes are coated with an inherently fire retardent polymer-modified asphalt. RUBEROID torch-applied membranes are designed for new roofing and reroofing applications as well as construction of flashings. They are also an ideal product for the repair of built-up roofing systems.
Advantages include:
  • Cost effective - the installed cost of RUBEROID torch-applied membranes is less than most single-ply systems on the market today.
  • Resilient - special polyester mat core allows it to resist splits and tears due to its pliability and elongation characteristics.
  • Durable - specially formulated APP-modified asphalt gives RUBEROID torch-applies membranes lasting performance.
Backed by GAF Materials Corporation, a company with over 100 years in the roofing business.

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