DESCRIPTION:
American WeatherStar (WeatherStar) TPO fleece-back membrane meets or exceeds all of the requirements for ASTM D 6878-03 Thermoplastic Polyolefin membrane. The fleece-back membrane is reinforced with a 9x9, 1000 denier polyester fabric.
PHYSICAL PROPERTIES:
INSTALLATION:
TPO fleece-back may be installed as a mechanically attached, a fully adhered, or a ballasted system. Please consult current WeatherStar TPO specifications for specific application needs.
PREPARATION OF SUBSTRATES:
Substrates must be clean, dry, smooth, and free of sharp edges, fins, loose or foreign materials, oil, grease, or other materials which may damage the membrane.
All rough surfaces which could damage the membrane shall be repaired as specified to offer a smooth substrate.
All surface voids greater than 1/4” (6.35 mm) wide shall be properly filled with an acceptable material.
STORAGE:
Store in original, unopened packaging and away from sources of punctures and physical damage.
Assure that structural decking will support the loads incurred by the material stored on roof top. The deck load limitations should be specified by the project designer.
SHELF LIFE:
Not applicable
PRECAUTIONARY DATA:
To avoid sources of punctures and physical damage, take care when moving, transporting, or handling.
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American WeatherStar (WeatherStar) TPO fleece-back membrane meets or exceeds all of the requirements for ASTM D 6878-03 Thermoplastic Polyolefin membrane. The fleece-back membrane is reinforced with a 9x9, 1000 denier polyester fabric.
PHYSICAL PROPERTIES:
|
PROPERTY
|
ASTM TEST
METHOD |
MINIMUM
|
TYPICAL
VALUES |
| Thickness, min, mil (mm) | D 751 | 39 (0.99) |
45 (1.14)
60 (1.52) |
| Thickness over scrim, mil (mm) 45 (1.14) |
D 6878 Annex A1 |
12 (0.31) | 15 (0.38) |
| 60 (1.52) | 22 (0.56) | ||
| Breaking strength, min, lbf (N) | D 751 | 220 (976) | 330 (1500) |
| Elongation at reinforce- ment break, min, % |
D 751 | 15 | 30 |
| Tearing strength, min, lbf (N) | D 751 | 55 (245) | 156 (694) |
| Brittleness point, max, ºF (ºC) | D 2137 Method B |
-40 (-40) | -49 (-45) |
| Ozone resistance, no cracks | D 1149 | Pass | Pass |
| Properties after heat aging: (retained values) |
D 573 | ||
| Breaking strength, % min. | D 751 | 90 | 90 |
| Elongation at reinforce- ment break, % min |
D 751 | 90 | 90 |
| Tearing strength, % min. | D 751 | 60 | 60 |
| Weight change (mass), max % | D 751 | ±1 | -0.02 |
| Linear dimensional change, max, % | D 1204 | ±1 | -0.01 |
| Water absorption, max, mass % | D 471 | ±3 | +1.2 |
| Factory seam strength, lbf (N) | D 751 | 66 (290) | 75 (330) |
| Accelerated weathering | G 151 G 155 |
Pass | Pass |
|
PROPERTY
|
OTHER TEST METHODS |
MINIMUM | TYPICAL VALUES |
| Water Vapor Permeance – Perm | E 96 | n/a | 0.0122 |
| Puncture Resistance – lbf (N) | FTM 101C Method 2031 |
200 (890) | 337 (1500) |
INSTALLATION:
TPO fleece-back may be installed as a mechanically attached, a fully adhered, or a ballasted system. Please consult current WeatherStar TPO specifications for specific application needs.
PREPARATION OF SUBSTRATES:
Substrates must be clean, dry, smooth, and free of sharp edges, fins, loose or foreign materials, oil, grease, or other materials which may damage the membrane.
All rough surfaces which could damage the membrane shall be repaired as specified to offer a smooth substrate.
All surface voids greater than 1/4” (6.35 mm) wide shall be properly filled with an acceptable material.
STORAGE:
Store in original, unopened packaging and away from sources of punctures and physical damage.
Assure that structural decking will support the loads incurred by the material stored on roof top. The deck load limitations should be specified by the project designer.
SHELF LIFE:
Not applicable
PRECAUTIONARY DATA:
To avoid sources of punctures and physical damage, take care when moving, transporting, or handling.
AWS Home | Single-Ply | Contractors | Facility Managers | Architects | Coatings
ENERGY STAR® | Products | Application Specs | Case Studies | Warranties
Photo Gallery | Site Map | Contact Us
All content Copyright © 2004-2008 American WeatherStar
