Chesterfelt have developed a range of non breathable membranes ranging from the original BS747 type 1F to the new type (HR) underlays.
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Description |
This traditional product has a long history, manufactured by us for over 25 years and over 9 million m² successfully installed, using fibre bases saturated and coated in oxidised bitumen. Conforms to BS747 type 1F used on standard cold roof construction with traditional ventilation. |
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Description |
The latest British Standard recommendation, advises the use of a product with a more durable lifespan in the vulnerable area of eaves and gutter. Chesterflex eaves protectors are manufactured using high grade, 125 gramme polyester reinforcement saturated and coating in oxidised bitumen. |
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* please note roll weights are subject to manufacture tolerance and are nominal.