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How To Work Out Roof Pitch In Reading

A1 Roofing Reading are a premium roofing company that specialises in roofing services. Serving the people of Reading for many years, we have built a reputation for quality, reliability and affordability. One of the most common questions we are asked by our customers is how to work out roof pitch. If you are one of the many people who are looking for a comprehensive guide to working out the pitch of your roof, then this page is for you.

First, let's start with the basics.

What is roof pitch?

Roof pitch, or slope, is the angle at which a roof rises from its lowest to highest point. It is usually expressed as a ratio of the rise over the run, where the rise is the distance the roof ascends from the lowest point to the highest point, and the run is the horizontal distance between the two points.

Roof pitch is expressed in degrees or as a ratio of inches per foot. The ratio form is the most common way of expressing the pitch and is written as "x:12" where "x" is the vertical rise of the roof in inches for every 12 inches of horizontal run.

How to convert between roof slopes

Some builders and roofers prefer to use roof slopes, which are expressed in ratios other than 12. For example, 1/2 or 1/4. However, most building codes require roof pitches be expressed in the ratio of 12.

To translate between slopes, you need to multiply the slope by 12. For example, a slope of 4:12 is equivalent to a pitch of 18.43 degrees, while a slope of 6:12 is equivalent to a pitch of 26.57 degrees.

How to work out roof pitch

To work out roof pitch you need to know the length of the two sides of the roof. These are known as the "run" and "rise" of the roof.

  • The run is the horizontal distance between the highest and lowest points of the roof.
  • The rise is the vertical distance between the highest point and the lowest point of the roof.

If you cannot access the roof itself, you can measure the run and rise from the ground by measuring the distance from the lowest point of the roof to the highest point of the roof, and then measuring the horizontal distance between those two points.

Once you have these measurements, you can use the following formula to calculate the pitch:

Pitch (in degrees) = arctan(rise run)

Example: A roof with a rise of 3 metres and a run of 6 metres would have a pitch of approximately 26.57 degrees.

The cost of working out roof pitch

If you do not have the experience or time to work out the roof pitch yourself, you can contact A1 Roofing Reading for assistance. We have the expertise required to accurately determine your roof pitch and provide you with an estimate of the cost to repair or replace your roof.

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How to work out roof pitch using a multiplier

Another way to work out roof pitch is by using a multiplier. This method is useful when you know the angle of the roof and need to find the pitch.

To work out the pitch using a multiplier, follow these steps:

  1. Multiply the slope of the roof by the unit rise. For example, a roof with a slope of 6:12 and a unit rise of 6 inches per foot gives you (6/12) * 6 = 3 inches.

  2. Multiply the result by 100 to get the pitch in percent. For example, 3 inches multiplied by 100 gives you a pitch of 300%.

  3. Divide the pitch by 100 to get the pitch in decimal form. For example, 300% divided by 100 gives you a pitch of 3.00.

How to work out roof pitch for a rafter

If you need to work out roof pitch for a rafter, you can do so by measuring the distance between the top of the rafter and the point where it meets the ridge beam. This distance is known as the "height above plate" and is measured in inches or millimetres.

Once you have this measurement, you can use the following formula to work out the pitch:

Pitch = rise run

Where:

  • Rise = height above plate
  • Run = the horizontal distance between the top of the rafter and the point where it meets the ridge beam.

Using span tables to work out roof pitch

If you are constructing a roof from scratch, you may need to consult span tables to work out the pitch. Span tables are used to determine the required size of a rafter and the maximum allowable span for a particular roof. They take into account factors such as the snow load, wind speed, and the span of the roof.

A1 Roofing Reading can provide you with access to span tables so that you can accurately work out the pitch of your roof.

Contact us for expert advice

If you need help working out the pitch of your roof, or if you require roofing services in Reading or the surrounding areas, contact A1 Roofing Reading today. Our team of expert roofers can provide you with the advice and support you need to ensure that your roof is structurally sound and looks great. Call us today on 0118 449 2361 or email us at [email protected] to discuss your requirements.

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A1 Roofing Reading in Reading roofing services in Reading, found near to Whitley Wood, Berkshire in the South East of England UK dealing with Reading consumers, firms and enterprises. A1 Roofing Reading in Reading, Berkshire offering asphalt roofing, domestic roofing and tile roofing Services. At A1 Roofing Reading we supply 24 hour, seven days a week, roofing services such as, roof insulation in Reading, commercial roofing in Reading and lead works in Reading Town situated in Berkshire in the Home Counties of England region.

A1 Roofing Reading are specialists in roofing services including; asphalt roofing, domestic roofing, tile roofing, roof insulation, commercial roofing and lead works. At our Reading Town branch you can give us a ring locally on 0118 449 2361 and we serve a clientele in locations such as Lower Caversham, Emmer Green Reading, Caversham, Hemdean Bottom Berkshire, Caversham Heights, Tilehurst Reading, Churchend, Southcote Berkshire, Horncastle, Whitley Wood Reading, Whitley, Coley Berkshire, The Mount, New Town Reading, Reading and Southcote, we also cover more of the region on the outskirts of Reading and Berkshire in the region of the Home Counties England.

Reading is a industrial Town in Berkshire in the Home Counties of England. Reading is situated to the , N of Basingstoke, E of Englefield, S of Oxford, W of Woodley.

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