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Bitumen Roofing Sheets

Bitumen roofing sheets are the perfect solution for any homeowner looking to re-roof their shed, garage, stable or other small outbuilding. This is because bitumen roof sheets are both lightweight and...

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Common Questions About Bitumen Roofing

What is Bitumen?

Bitumen (also referred to as asphalt) is a viscous liquid in its raw form. It has been used for centuries to build roads, at which point it is combined with an aggregate to create asphalt concrete. But bitumen is also combined with cellulose fibres to manufacture roofing materials, such as shingles and sheets. By combining bitumen with other materials, it can be adapted to suit particular applications and offer a wealth of benefits.

How Much Does Bitumen Roofing Cost?

Bitumen roofing materials are incredibly cost-effective, with most bitumen roofing sheets costing between £9 - £11 each. This is the equivalent to £5 – 7 per square meter, considerably less than other materials such as metal. 

When buying roofing materials, it is also important to consider the tools and labor required during installation. At 2m in length and weighing as little as 5kg per sheet, bitumen sheets can be fitted by either homeowners or tradespeople with no specialist tools.

Once installed, you can expect a bitumen roofing sheets to last between 10 – 20 years. Throughout this time very little maintenance will be required if fitted at a pitch of at least 5°, as the corrugated profile ensures any water can run off with ease.

What is the Lifespan of Bitumen Roofing?

By combining bitumen and cellulose fibres, manufacturers have created a material that can withstand heavy rain, extreme ultraviolet and more. You can, therefore, expect a bitumen roof sheet to offer a lifespan of between 10 – 20 years.

Manufacturers such as Coroline and Onduline are so confident in the durability of their product that they offer a 15-year guarantee. You can, therefore, be reassured of the longevity of the product, whether you’re using them on a small garden shed or larger garage.

To maximise the lifespan of your bitumen roofing sheet, ensure it is fitted as per the manufacturer’s guidance. In all circumstances, the roof must have a pitch above 5° and a minimum of 20 fixings should be used per sheet.

How Strong is Bitumen Roofing?

Whilst bitumen sheets have a corrugated profile for added strength, they are not made to withstand the same level of weight as metal roofing. Therefore, you should not place any considerable weight on the sheets during or after installation. 

To maximise the strength of your roof, increase the number of rafters or consider boarding it with plywood. This will increase overall support and reduce the chances of them bowing under the weight of snow or other debris.

Which Way Up Do Bitumen Roofing Sheets Go?

When you come to install your bitumen roof sheets, you'll notice that one side has a smooth, granulated finish, whereas the other is rough and dimpled. The grained surface is the side that should be installed face-up on your roof. This is important for your roof's aesthetics, as well as the performance of your bitumen roof. This is due to the strength of corrugated sheets being greatest when the corrugations are face-up.

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Corrapol-BT - Corrugated Bitumen Roof Sheet - Black (2000 x 930mm)

Corrapol-BT - Corrugated Bitumen Roof Sheet - Black (2000 x 930mm)

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2-5 Days

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£14.52

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£8.49

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Coroline Corrugated Bitumen Roof Sheet - Black (2000 x 950mm)

Coroline Corrugated Bitumen Roof Sheet - Black (2000 x 950mm)

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3-5 Days

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£12.84

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Onduline - Black Corrugated Bitumen Roof Sheet (2000 x 950mm)

Onduline - Black Corrugated Bitumen Roof Sheet (2000 x 950mm)

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Corrapol-BT - Corrugated Bitumen Roof Sheet - Green (2000 x 930mm)

Corrapol-BT - Corrugated Bitumen Roof Sheet - Green (2000 x 930mm)

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Coroline Corrugated Bitumen Roof Sheet - Green (2000 x 950mm)

Coroline Corrugated Bitumen Roof Sheet - Green (2000 x 950mm)

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3-5 Days

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£13.80

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Onduline - Green Corrugated Bitumen Roof Sheet (2000 x 950mm)

Onduline - Green Corrugated Bitumen Roof Sheet (2000 x 950mm)

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Corrapol-BT - Corrugated Bitumen Roof Sheet - Red (2000 x 930mm)

Corrapol-BT - Corrugated Bitumen Roof Sheet - Red (2000 x 930mm)

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Coroline Corrugated Bitumen Roof Sheet - Red (2000 x 950mm)

Coroline Corrugated Bitumen Roof Sheet - Red (2000 x 950mm)

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3-5 Days

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£13.80

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£8.07

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Onduline - Red Corrugated Bitumen Roof Sheet (2000 x 950mm)

Onduline - Red Corrugated Bitumen Roof Sheet (2000 x 950mm)

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Corrapol-BT - Corrugated Bitumen Roof Sheet - Brown (2000 x 930mm)

Corrapol-BT - Corrugated Bitumen Roof Sheet - Brown (2000 x 930mm)

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2-5 Days

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£15.83

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Coroline Corrugated Bitumen Roof Sheet - Brown (2000 x 950mm)

Coroline Corrugated Bitumen Roof Sheet - Brown (2000 x 950mm)

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3-5 Days

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£13.80

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£8.07

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Onduline - Brown Corrugated Bitumen Roof Sheet (2000 x 950mm)

Onduline - Brown Corrugated Bitumen Roof Sheet (2000 x 950mm)

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3-5 Days

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