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Complete System of Breathable Membranes
Product Comparison WallShield® WrapShield® WrapShield SA® WrapShield HS® SlopeShield® Benefits Approvals Testing Specifications Tapes/Adhesives Rain Screen Components 3D Flashing Elements Tapes/Adhesives
VaproShield Project Profiles Products Specifications Details Installation
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SlopeShield
With a rating of 59 perms, SlopeShield provides the highest vapor permeability in a commercial quality, breathable roofing underlayment.
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Complete System of Breathable Membranes + Rain Screen Design Components + 3D Window Flashing Elements = VaproShield High Performance Building Envelope Solutions

SlopeShield Testing

SlopeShield Overview Printer Friendly Version (PDF, 132 Kb)
ICC-ES AC48 and AC207 Approval (PDF, 351kb)

PROPERTY STANDARD/TEST RESULT  RESULT  RESULT
Tensile Strength

ASTM D1682
AC 48, Section 4.1

Control
MD – 106.7 lbf/inch
(18.7 N/mm)
XMD – 83.8 lbf/inch
PASS

 Accelerated Aged
MD – 107.0 lbf/inch
(18.7 N/mm)
XMD – 81.4 lbf/inch
PASS		  UV Exposed
MD – 97.3 lbf/inch
(17.0 N/mm)
XMD - 76.7 lbf/inch
PASS

Water Vapor Transmission and Permeance

ASTM E96*
(Water Method)
AC 207, Section 4.1

406.3 g/m² 24hrs
3374.8 ng/Pa/s/m²
59 Perms
PASS

    

Water Ponding

AC 48, Section 4.4
24" head of water for 48 hrs.

 PASS    
Accelarated Aging

AC48, Section 4.7
AC207, Section 4.6

 PASS    

UV Exposure

AC48, Section 4.8
AC207, Section 4.7

 PASS    

Liquid Water Transmission

ASTM D4869
AC207, Section 4.3
Showerhead impinges 40 to 42 gallons of water per hour for 4 hrs on sample.

 PASS    

Rupture Resistance

ASTM D3462
AC207, Section 4.4

 PASS    

Pliability

ASTM E48
AC 207, Section 4.2

 PASS    



FIRE TESTING

PROPERTY STANDARD/TEST RESULT
Flamespread Index ASTM E-84 10 – Class A
PASS
Smoke Development Index ASTM E-84 35 – Class A
PASS



INDEPENDENT TESTING

PROPERTY STANDARD/TEST RESULT
Nominal Thickness Calibrated Deadweight Micrometer 0.020 inch (0.51mm)
Basis Weight Electronic Weight Scale 5.01 oz/yd² (0.55 oz/ft²)
170g/m²

Acceptance Criteria for Polypropylene Roof Underlayments AC 207 & Acceptance Criteria for Roof Underlayments for use in severe climate areas AC48. Tested in accordance with ICC-ES AC 48 and AC 207 criteria to meet UBC, IBC and IRC requirements for Roofing Underlayments.

*ASTM E 96 - Method B (wet cup method) typically gives a more realistic result for permeance than does the Method A (dry cut/desiccant) method.

 

SlopeShield Overview Printer Friendly Version (PDF, 132 Kb)
ICC-ES AC48 and AC207 Approval (PDF, 351kb)