
SYNTHETIC ROOFING UNDERLAYMENT RESISTOR
This product is a synthetic membrane roof underlayment and eave and valley protection. The surface of the membrane is composed of non-woven polyolefin, while the underface is reinforced with a woven polymer. The surface of the membrane is embossed and has an anti-slip, textured facer. It is used on various slopes for residential or commercial roofing applications.
Benefits
- Superior non-woven slip-resistant surface
- Lighter weight
- 90-day UV resistant
Tests and certifications


Properties
Function
Roofing
Product roles
Synthetic Underlayments
Building Component
Roofs
Technology
Polyolefin
Characteristics
Types of Slope
Outside low slope
Type of covering
- Asphalt shingles
- Metal roofing
Substrates
- Plywood
- OSB
- Wood
Surface
Polyolefin
Underface
Polyolefin
Application
Nailed down
Service temperature
-40 °C to 116 °C (-40 °F to 240 °F)
Thickness
0.3 mm (12 mils)
UV exposure
90 days
Instructions
Storage instructions
Rolls should be stored upright, tape side up, protected from weather damage and UV rays. If the products are stored outdoors, cover them with an opaque protective cover after removing the delivery packaging.
Minimum application temperature
Can be used in any temperature
Maximum application temperature
Can be used in any temperature
Tools required
- Knife
- Tape measure
- Hammer
- Ring roofing nails 25 mm (1 in)
Surface Preparation
The substrate must be clean, dry, free of dust, and smooth with all the rough edges and asperities repaired or removed, e.g., nails and staples.
Restrictions
Pneumatic staple guns are not recommended.
Previous identity

Conditioning
Products
Product code
Width
Length
Gross area
Net area
Weight
Weight per skid
SYNTHETIC ROOFING UNDERLAYMENT RESISTOR
Product code
21758
Width
42 in (1.07 m)
Length
286 ft (87 m)
Gross area
1,001.00 ft² (93.3 m²)
Net area
904 m² (84.3 ft²)
Weight
10 kg (22 lb)
Weight per skid
1,290 lb (585 kg)
Without box
Palletization
Products
Barcodes
Product code
Units per skid
Weight per skid
SYNTHETIC ROOFING UNDERLAYMENT RESISTOR
Barcodes
6 23680 21758 4
Product code
21758
Units per skid
56
Weight per skid
1,290 lb (585 kg)