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Summary
High performance impermeable roofing membrane.
High performance impermeable roofing membrane.
High performance impermeable roofing membrane.
Application
Suitable for use in impermeable roofing applications.
Suitable for use in impermeable roofing applications.
Suitable for use in impermeable roofing applications.
Description
Permavent NB145 is a fifth generation air and water tight roofing underlay for use in unsupported and supported pitched roofing applications.
Five-ply structure comprising non-woven and polypropylene coating ensures a low slip surface, reduced glare and improved UV and heat resistance compared to older fourth generation products.
Features and benefits:
- Highly durable.
- Anti-glare top surface.
- Excellent tensile strength.
- Excellent tear resistance.
- UV and heat resistant.
Permavent NB145 is a fifth generation air and water tight roofing underlay for use in unsupported and supported pitched roofing applications.
Five-ply structure comprising non-woven and polypropylene coating ensures a low slip surface, reduced glare and improved UV and heat resistance compared to older fourth generation products.
Features and benefits:
- Highly durable.
- Anti-glare top surface.
- Excellent tensile strength.
- Excellent tear resistance.
- UV and heat resistant.
Permavent NB145 is a fifth generation air and water tight roofing underlay for use in unsupported and supported pitched roofing applications.
Five-ply structure comprising non-woven and polypropylene coating ensures a low slip surface, reduced glare and improved UV and heat resistance compared to older fourth generation products.
Features and benefits:
- Highly durable.
- Anti-glare top surface.
- Excellent tensile strength.
- Excellent tear resistance.
- UV and heat resistant.
Color
Grey
Grey
Grey
Finish
Matt
Matt
Matt
Material
Polypropylene
Polypropylene
Polypropylene
Shape
Rectangle
Rectangle
Rectangle
Length
30000 mm, 45000 mm
30000 mm, 45000 mm
30000 mm, 45000 mm
Width
1000 mm, 1500 mm
1000 mm, 1500 mm
1000 mm, 1500 mm
Warranty description
15 year
15 year
15 year
SKU Code
NB145(1X45)TAPED
NB145(1.5X30)
NB145(1X45)
GTIN/EAN
5060747291609
5060747290930
5060747291654
Specification
Classification data
Description
High performance impermeable roofing membrane.
High performance impermeable roofing membrane.
High performance impermeable roofing membrane.
Material
Polypropylene, non-woven.
Polypropylene, non-woven.
Polypropylene, non-woven.
Standard
To BS EN 13859-1.
To BS EN 13859-1.
To BS EN 13859-1.
Performance characteristics
-
-
-
Reaction to fire
To BS EN 13501-1, Class E.
To BS EN 13501-1, Class E.
To BS EN 13501-1, Class E.
Watertightness
Water vapour resistance (Sd) to EN 13859-1: >20.
Water vapour resistance (Sd) to EN 13859-1: >20.
Water vapour resistance (Sd) to EN 13859-1: >20.
Tensile properties
To BS EN 12311-1 (MD/ CD), 197/ 140 N/50mm.
To BS EN 12311-1 (MD/ CD), 197/ 140 N/50mm.
To BS EN 12311-1 (MD/ CD), 197/ 140 N/50mm.
Tear resistance
To BS EN 13859-1 (MD/ CD), 130/ 140 N.
To BS EN 13859-1 (MD/ CD), 130/ 140 N.
To BS EN 13859-1 (MD/ CD), 130/ 140 N.
Environmental performance requirements
-
-
-
Recycled content
100%.
100%.
100%.
Width (minimum)
1.0 m.
1.5 m.
1.0 m.
Colour
Grey.
Grey.
Grey.
Accessories
Joint tape.
-
-
Additional properties
Roll size
1.0 x 45 m.
1.5 x 30 m.
1.0 x 45 m.
CoverageArea
45 m².
45 m².
45 m².
Sustainability data
Contains Red List materials
No
No
No
Country of material origin
United Kingdom
United Kingdom
United Kingdom
Country of product manufacture
United Kingdom
United Kingdom
United Kingdom
Material
Polypropylene
Polypropylene
Polypropylene
Recyclability
Fully recyclable.
Fully recyclable.
Fully recyclable.
Recycled content
100 %
100 %
100 %
Expected Life
Lifetime
Lifetime
Lifetime