Roof Coating # 1123


A white high solids, extremely durable waterproof (yet breathable) coating. May be used over asphalt roofing products, polyurethane and polyester foam, galvanized or primed steel, aluminum, concrete, stone, brick, asbestos, and wood. A brighter white Top Coat version of this product is available for reduced dirt pickup characteristics with only slightly reduced flexibility. Container tops are marked accordingly. Coverage is approximately 1.5 gallons per 100 sq.ft. per coat for assured weathering protection. ( Total two coats)


Description                                                            ASTM Test #                                  Base                                    Top

Color                                                                                                                                                                       White                                           White

Low Temperature (0 deg. C )  Flexibility

= 180 deg. Bend Over 1” Mandrel                                                                                                                Passed                                          Passed

                                           1/2” Mandrel                                                                                                           Passed                                          Passed

                                           1/4” Mandrel                                                                                                           Passed                                          Passed

                                          1/8” Mandrel                                                                                                            Passed                                          Passed

Tensile Strength (psi)                                                        D-2370                                                              276                                                 153

Elongation - ( % @ 25 deg. F )                                         D-2370                                                              550                                                 175

                          ( % @ 75  deg. F)                                                                                                                     311                                                  160

Viscosity         ( K. U. + 10  )                                                D-562                                                                  97                                                     99

PH                                                                                                                                                                                 7.1                                                    7.1

Solids (by Weight)                                                               D-2832                                                                 68.6                                                  68.2

Solids (by Volume)                                                              D-2697                                                                  49.8                                                 48.8

Weight r Gallon ( + 0.2lbs)                                              D-1475                                                                   13.4                                                 13.3

Film Hardness (Shore A)                                                 D-2240                                                                   82                                                     84

Freeze  / Thaw Stability - Cycles Passed                                                                                                       5                                                        5

Adhesion 180 deg Peel-Instron Unit (A)                   D-3359

 -Aluminum                                                                                                                                                          Excellent                                    Good

 -Wood (pine)                                                                                                                                                     Excellent                                     Excellent

 -Urethane Foam                                                                                                                                                Excellent                                    Excellent

 Modified Bitumen                                                                                                                                             Excellent                                    Excellent

Water Vapor Permeance                                                D-1653/E-96                                                             2.5                                                  2.3

     (Perms=Grains/hr.ftsqd.in.Hg)

Water Vapor Transmission Rate                               D-1653/E-96                                                              1.02                                                0.94

    (Grains/hr.ft.sqd)

Specific Permeability                                                      D-1653                                                                          0.17                                               0.16

 (mg.mm../Cm.sqd 24hr.)

120 deg. Oven Stability - 1 week                                 D-1849                                                                        6.6/98                                              6.6/90

(PH/KU)                              - 2 week                                                                                                                       6.5/98                                              6.5/102

Specific  Gravity  (g/cc @  25 deg. C)                         D-1475                                                                       1.62                                                    1.63

Lead Content                                                                                                                                                            None                                                 None

Mold / Mildew Resistance                                              D-3273            Will NOT support mold or mildew growth under normal conditions

Shelf Life                                                                                                           Two + years  in un-opened containers.

Service Temperature Range                                                                     Excellent performance characteristics -20 deg. To 200 deg. F











(A) Actual P.S.I. Numbers available from the Technical Services Department, Alfieri-McBee Corporation if required.


NOTE: This data is based on  information from laboratory tests which are believed to be accurate but al recommendations are made without warranty, since the conditions of use are beyond the control of Alfieri-McBee Corporation’s control. The company does not assume ant liability or responsibility of the product relative to coverage, performance or  injury resulting from use. Liability, if any, is limited to replacement of products.




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