FlexGuard® TPO Membrane

Singly Ply Product
Singly Ply Product
FlexGuard® TPO Membrane - Image 3

FlexGuard® TPO Membrane

Thermoplastic polyolefin (TPO) waterproofing membrane is a water-proof membrane produced by a single extrusion process without any plasticizers, using polyolefin polymer synthetic resin and EPDM as the base material, with antioxidant test, anti-aging agent, UV absorbent and other fillers. It has both flexibility and weldability. Polyester fiber mesh cloth can be added as reinforcement material, made of enhanced waterproof material.

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FlexGuard® TPO Membrane

 

Raw materials

Made of high-quality polypropylene and rubber co-polymerization, McGuire Flexguard TPO contains no plasticizers or harmful substances.

It offers excellent aging resistance, maintaining flexibility even at -40°C without becoming hard or brittle.

 

Excellent Quality

McGuire FlexGuard TPO features a low shrink rate, superior strength, impact and puncture resistance, and a long service life.

 

Convenient Construction

Roofing assembly is simplified with McGuire Flexguard TPO. It’s easy to weld, highly efficient, and provides strong seam connections with high peel strength for watertight sealing.

 

Product Type

Smooth (Category H), Fiber fleece-backed (+55 mils) (Category L), Reinforced with polyester scrim (Category F).

 

Application Scope

Ideal for new and repaired single sheet metal or concrete roofing systems.

Thickness (mil) Width / ft. Length / ft.
45 5, 6, 10 100
60 5, 6, 10 100
80 5, 6, 10 100
  • Enhanced chemical resistance
  • Can increase a building’s energy efficiency
  • Excellent heat weldability
  • Exceptional low-temperature flexibility
  • Highly resistant to punctures, UV, ozone
    and oxidation
  1. Ensure substrates are clean, dry, smooth, and free of sharp edges, fins, loose or foreign materials, oil, grease, and other contaminants that may damage the membrane.
  2. Repair all rough surfaces that could damage the membrane as specified to create a smooth substrate.
  3. Properly fill all surface voids greater than 1/4” (6.3 mm) wide with an acceptable fill material.
  4. Install McGuire FlexGuard TPO waterproofing membrane as a continuous roofing or waterproofing layer. Overlap rolls (side laps and end laps) before heat welding the seam areas.
  5. Follow current McGuire FlexGuard TPO specifications, details, and workmanship requirements during installation.
Property ASTM Standard Performance
Minimum		 Typical
Performance
45 mil		 Typical
Performance
60 Mil
Overall Thickness D751 0.039″ (1mm) 0.045″ (1.14 mm)
100%		 0.060″ (1.52 mm)
100%
Coating over
Scrim		 D 7635 0.015″
(0.38mm)		 0.017″
(0.43mm)		 0.021″
(0.53mm)
Breaking
Strength		 D 751,
Grab Method		 220 lbf (979 N) 340 lbf (1,512 N) 390 lbf (1,735 N)
Elongation of
Reinforcement		 D 751,
Grab Method		 15% 25% 25%
Tearing
Strength		 D751 55 lbf (245 N) 120 lbf (534 N) 120 lbf (534 N)
Brittleness
Point		 D2137 -40°F (-40°C) Pass Pass
Ozone Resistance
No Cracks		 D1149 Pass (No Cracks) Pass Pass
Properties After Heat Aging (Retained Values) ASTM D 573-5376 h (224 days or 32 weeks) at 240°F (116°C)
Breaking Strength D 751
Grab Method		 90% Minimum > 90% > 90%
Elongation at
Break		 D 751
Grab Method		 90% Minimum > 90% > 90%
Tearing Strength D 751 90% Minimum > 90% > 90%
Weight of Change — ± 1% Minimum <1% <1%
Linear Dimension
Change		 D 1204
6 h at 158°F
(70°C)		 ± 1% Minimum <1% <1%
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(972) 694-3324

EMAIL

sales@mcguireroofs.com

ADDRESS

10685 King William Dr
Dallas, TX 75220

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