Roof Cements

Overview
Koppers Roof Cements are used for prevention, construction or emergency repairs for roof installations. They can be used for flashing, tie-ins, vents, and gutters. Various formulations suit most needs and weather conditions.

Uses
Flash-On 441 is a high quality asbestos free roof cement formulated with special additives combined with high strength fibers and mineral fillers to provide a heavy bodied, smooth, trowelable cement.

ONYX^® Modified Flashing Cement is a superior blend of refined asphalts, selected solvents, tactifying resins and SBS polymers blended together in precise proportions to duplicate the properties of bituminous membranes.

Hydroshield 451 is a solvent based asphalt mastic which is unaffected by immersion in water either before or after curing. Hydroshield 451 is used in waterproofing applications.

Tar Roof Cement is a high quality asbestos free roof cement formulated with a special blended coal tar base and selected fibers and fillers to form a heavy bodied tar base cement.

Benefits

• Koppers Roof Cements are an essential part of a good maintenance program
• Each is asbestos-free and formulated to seal, repair or bond areas susceptible to deterioration or damage

Products Available
Flash-On 441	Heavy consistency asphalt-based cement. (winter & summer grades available)
ONYX Modified Flashing Cement	Polymer modified, heavy bodied asphalt flashing cement.
Asphalt Roof Cement	Medium consistency asphalt flashing cement.
Hydroshield 451	Premium asphalt cutback. Formulated for application in most weather conditions. Trowel or brush grades.
Tar Roof Cement	Coal tar based plastic cement.
Glass Fiber Base Sheet	Asphalt Coated Glass Fiber Base Sheet Type II (non-perforated).

Safety
Prior to installing any roofing system, it is necessary to review routine procedures and precautions applicable to their installation as well as the Material Safety Data Sheets for the involved products. Koppers offers helpful information in a pamphlet entitled “Guidelines: Health, Safety and Environment for Coal Tar Built-Up Roofing.” For a copy of this publication please contact Koppers Sales Center at 1-800-558-2706. Copies of Material Safety Data Sheets are available.

More Information
For more information about this product or for assistance specifying Koppers materials for your roofing installation contact our sales department at 1-800-558-2706 (fax us at 412-227-2262)

To reach our Warranty and Technical Department, call 1-800-468-9629 or Fax us at 412-227-2002.

We produce a printed roofing catalog biennially containing all the information needed to specify and install our roofs. For your convenience that catalog is also online. Prefer the printed version? Request it.