Roofing

• Weigh between 325 and 500 pounds per square.

• Use standard roof structures.

• Long-lasting (up to 60-year warrantees, fireproof).

• Typically have Class A fire rating.

2.0 Organic asphalt shingles

• Up to 25% recycled content by some companies.

• Life of 20-30 years.

• Not easily recycled at end of useful life.

• Weigh approximately 230 pounds per square.

3.0 Metal roofing products

• Can be made to give shingle appearance

• Most metal roofing, including standing-seam, contains recycled metal.

• Metal roofing used primarily for agricultural buildings is lower in cost, but requires premium metal coatings, factory-finished panels, or watertight construction detailing when used for housing.

• 3.1 Metal coatings
  • Zinc (galvanized) coatings oxidize to protect the steel. Protection is lost when the oxidation process uses up the zinc, and the steel underneath can rust. On low-sloped roofs in wet climates, coating loss and rust can show up in five years.

  • Aluminum coatings are superior to zinc, carrying warranties up to twenty years. They are inert, and do not degrade over time.

  • Aluminum-zinc alloys, or Galvalume, will outperform aluminized coatings and exceed twenty-year warrantees.

• 3.2 Paint
  • Only use factory applied paint.

  • Polyester resin finishes offer least durability. Fading will occur in 5 to 7 years.

  • Silicone modified polyester finishes are superior (the more silicone, the better the performance). Twenty year warranties are available.

  • Fluorpolymer resins provide a state of the art finish. Five paint companies produce this paint under the brand names of Duranar, Nubelar, Fluropon, Trinar, and Visulure.

  • Bare aluminized or Galvalume panel can last 40 years without maintenance and is a better choice than polyester resin finishes.

• 3.3 Panel thermal movement
  • Metal panels respond to temperature change by expanding and contracting. This causes the fastener hole size to increase, resulting in leaks.

  • Dark colors will experience the largest thermal movement.

  • Panels installed over purlins will not harm the roof system with thermal movement.

  • If installing over a solid deck, use Z-shaped metal sleepers over the decking. The sleepers will move with the panels and eliminate fatigue where the screws penetrate the panels (the screw hole will become elongated causing leaks) or the screws will lose grip on the decking. If possible, do not use solid decking with metal roof panels.

  • Solid aluminum panels have a higher coefficient of expansion than steel and will strain fasteners with the increased movement from temperature change.

• 3.4 Galvanic reactions
  • Protect metal panels on the anodic end of the galvanic scale from fasteners and flashings on the cathodic end to prevent corrosion.

See "Building Construction Consultants" and ""Roofing Services Consultants" in Yellow Pages.

See "Roofing Contractors", "Roofing Equipment and Supplies", and "Roofing Materials" in Yellow Pages.

Central Texas Metal Roofing Supply Co, Inc. 830 Sagebrush Dr. Austin, TX 78758 United States 512-452-1515 800-428-7412 Fax: 512-833-7499 http://www.ctmrs.com Area served: Texas, New Mexico, Louisiana

American Cem-Wood Products
P. O. Box C
Albany, OR 97321
(800) 367-3471
www.cemwood.com
"Cascade and Royal Shakes(TM)" and "Pacific Slate(TM)" fiber -cement roofing tiles, 30 year warranty, 480-620 pounds per square, Class A fire rating.

CertainTeed Corporation
3303 E. 4th Ave.
Shakopie, MN 55379
(800) 328-5874, (800) 274-8530
Organic felt based shingles with recycled-content, Class C fire rating.

Classic Products
299 Staunton St., P. O. Box 701
Piqua, OH 45356
(513) 773-9840
Rustic Shingle recycled aluminum shingles, 40 year limited warranty, 45 pounds per square, Class A, B, or C ratings according to underlayment, enamel acrylic paint finish approved for drinking water catchment.

Eternit
Excelsior Industrial Park, P. O. Box 679
Blandon, PA 19510-0679
(215) 926-0100
Fiber-cement slates, average 430 pounds per square, Class A rating, 30 year non-prorated warranty.

Gerard Roofing Technologies, Inc.
955 Columbia Street
P. O. Box 9459
Brea, CA 92622-9459
PH: (800)-23-ROOFS (714)-529-0407
FX: (714)-276-1476
http://www.gerardusa.com
info@gerardusa.com
Steel (G-90 Galvanized or AZ-50 Gavalume) Tile & Shake roof panels coated with graded stone granules & accessories, 140 pounds per square, Class A rating, 50 year warranty.

James Hardie Building Products
26300 La Alameda Suite 400
Mission Viejo, CA 92691
(800) 426-4051
www.jameshardie.com
Hardishake(R) & Hardishingle(R) fiber cement tiles, 380 lbs per square, Class A rating, 50 year warranty.

Masonite Corporation
1 South Wacker Drive
Chicago, IL 60606
(800) 255-0785
Woodruf(R) shingles from reconstituted wood fibers, 230 pounds per square, 25 year limited warranty, simulate natural cedar appearance.

Maxitile, Inc.
17141 S.Kingview Ave.
Carson, CA 90746
(800) 845-6293
Fiber-cement tile, 340 pounds per square, Class A rating, 50 year warranty, simulate mission tile appearance.

Metal Sales Manufacturing Corp.
3838 North General Bruce Drive
Temple, TX 76501
(800) 543-4415
Stile(TM) metal tile, 100 pounds per square, Class A rating, 20 year limited warranty, Simulate clay tile appearance.

Nailite International
1251 Northwest 165th St.
Miami, FL 33169
(800) 624-5483
Recycled-content plastic panels, 80 pounds per square, Class C rating.

D'Hanis Brick and Tile Co.
311 E. Nacoma
San Antonio, TX 78216-2714
(800) 299-9399
Clay tile

Elgin-Butler Brick
1009 E. 40th St.
Austin, TX 78751
(512) 453-7366
Clay tile

Vail Metal Systems
P.O.Box 6521
Vail, CO 81658
(888) VAILMETL,
www.vailmetal.com/roofing/
copper and Kynar 500 galvalume panels

GAF
1361 Alps Rd
Wayne, NJ 07040
(800) 223-1948
Fiber-cement shingles, slates, shakes, 240-500 pounds per square, Class A and B ratings, 40 year non-prorated warranty

MetalWorks
1005 Beaver Grade Road
Moon Township, PA 15108-2944
(800) 320-0101
Aston Wood Steel shingles, 63 pounds per square, 5 Kynar 500 colors available, Simulate wood shake appearance
Local Distributor:
Pan Am Distributing, (512) 836-1531

ATAS International
6612 Snowdrift Road
Allentown, PA 18106
(800) 468-1441 or
4559 Federal Blvd.
San Diego, CA 92113
(800) 879-8382
www.atas.com
Steel and Aluminum shingles, 35-60 lbs. per sq. for aluminum, 80-140 lbs per sq. for steel, Class A rating, 25 yr. warranty ,the look of shake, slate, or tile, (4) Kynar 500 colors
Local Dealer:
Pan Am Distributing, (512) 836-1531

Perfect Choice Building Products
1618 Lynch Rd.
Evansville, IN 47711
(800) 776-8060
interlocking thermoplastic shingles with cedar shake appearance, Class A flame protection, 62 lbs per square

Re-New Wood, Inc.
P.O.Box 1093
Wagoner, OK 74467
(800) 420-7576
Eco-Shake(TM) 100% recycled plastic/wood shingle, 250 lbs/sq, 50 yr warranty, 4 colors , Class A fire rating
Local Distributor:
Polston Sales & Marketing
(972) 258-6255
Cal-Shake Corporation
5355 N. Vincent Ave.
Irwindale, CA 91706
(818) 969-7544
fiber-cement shake-like and slate-like roofing tiles, 25 year warranty

Vincent Metal Goods
P.O.Box 360
Minneapolis, MN 55440
(800) 328-7800
"ColorKlad" and "AlumaKlad" standing seam metal roofing panels

Protective Coatings of Austin
2210 S. 1st St., Suite G1
Austin, TX 78704
(512) 462-1094
reflective,insulating, ceramic roof coating

Metal Roofs
RR2, Box 146
Richmond, VT 05477
Send stamped self addressed envelope for
detailed information on metal panels
installation.

National Tile Roofing Manufacturing Assn.
3127 Los Feliz Blvd.
Los Angeles, CA 90039
(213) 660 4411

Underwriters Laboratory
333 Pfingsten Road
Northbrook, IL 60062
Standards for fire ratings

American Society for Testing and Materials
1916 Race St.
Philadelphia, PA 19103
(610) 832-9500
Standards for aluminum, slate, asphalt, steel

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This file last updated on Friday, August 4, 2006