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StressPly® Max/ Max FR Mineral

Strongest dual reinforced, SBS and SIS modified bitumen membrane in the industry.

Voted a "2015 Money Saving Product" by BUILDINGS magazine.

These membranes boast a tensile strength of 1,000 pounds per inch and provide long-term performance as the waterproofing and reinforcement layer of a modified bitumen roofing system. The utilization of SBS and SIS rubber along with the incorporation of KEVLAR® fibers combines with its superior tensile strength to provide outstanding resistance to splits and tears. StressPly Max FR Mineral membrane is fire retardant and coated with Sunburst minerals to protect against UV damage and decrease under roof temperatures.

Product Advantages

Technical Data

 StressPly MaxStressPly Max FR Mineral
*Tensile Strength MD 1,000 lbf./in. (175 kN/m)
XD 1,100 lbf./in. (192.5 kN/m)
MD 1,000 lbf./in. (175 kN/m)
XD 1,100 lbf./in. (192.5 kN/m)
Width 3 ft. 3 in. (1 m) 3 ft. 3 in. (1 m)
Length 34 ft. 8 in. (10.57 m) 26 ft. 2 in. (10.57 m)
Weight 100 lbs. (45.4 kg) 95 lbs. (43.1 kg)
Nominal Thickness 145 mils (3,683 microns) 170 mils (4,318 microns)
Net Coverage 100 sq. ft. (9.29 m2) 75 sq. ft. (6.97 m2)

*Test Method ASTM D 5147 is tested at 2 in./min. @ 73.4 ± 3.6°F
(50 mm/min. @ 23 ± 2°C)

StressPly Max FR Mineral product is protected by U.S. Patent #6,524,980 and U.S. Patent #6,933,007


20 rolls/pallet (both)

Approvals that apply to this product

Intertek Warnock Hersey logo(FR Mineral only)

FM Approved logo


The following are for StressPly Max FR Mineral only

LEED graphicTitle 24 Logo

   StressPly Max FR-Min UL Logo 

KEVLAR® is a registered trademark of E.I. du Pont de Nemours and Company.

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