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Breathable Pitched Roof Underlay
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Clean to use and easy to cut.
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Strong and durable
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High tear resistance
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Lightweight – easy to transport and handle.
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Breathable - suitable for warm roof application
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Water Resistant – achieves W1 classification when tested to BS EN 1928:2001
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Flexible – even at low temperatures.
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Resistance to water penetration.
![](https://www.sigroofing.co.uk/wp-content/uploads/2020/10/TIL-R-Classic-Non-Breathable-45x1m-134x450.jpg)
Non Breathable Pitched Roof Underlay
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Clean to use
![](https://www.sigroofing.co.uk/wp-content/themes/roofing/images/fix-r/bullet.png)
Quick to install
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For ventilated roof construction
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Printed cutting grid
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Dual integrated tape (Underlay Plus)