Note: An extra coat may be needed to cover entirely. Roof pitch is the measurement of a roof's vertical rise divided by its horizontal run. The "House Base Area" is the area of land that the house covers, and for more complex shapes, can be estimated using the Area Calculator. If we apply our example, the equation is as follows: 19.1 x 8.1 = 154.7 x 1.155 = 178.7. Gable & Hip Roofs will have the same area Seating area to determine the approximate crowd capacity. Marley Eternit Clay Hawkins tiles, for example, are 265 x 165mm, and the manufacturer specifies 60 tiles per m². Based on your inputs, the calculator will automatically adjust cost / M2 up or down, for smaller jobs. Includes multi-unit residential buildings. Roof pitch affects the actual area of the roof. Heavy - requires a stronger roof structure Concrete tiles: Lifespan: 40 to 60 years Heavy - requires a stronger roof structure Other factors that can affect a roof's lifespan. The following tools estimate the area of a roof, as well as the amount of materials necessary to construct a roof of a given area. Enter the dimensions below, then click calculate to calculate the Area. Options for materials & labour ? Just snap a few photos of the exterior of the house with the HOVER app and our patented technology will take it from there. In general, in most of UK, "average" cost of repairing a Tile/Slate … Here you will find roofing related tools like: roof area calculators, roof materials calculators, pitch calculators, geometric shapes calculator. 3. A roof pitch multiplier, also known as a roof pitch factor, is a number that, when multiplied by the area covered by a sloped roof, gives the actual area of the roof. you don't know these, but do know the pitch angle, then the fall can be calculated Warehouse storage floor area ca… Slope: A roof with a high pitch can last longer because snow and rain can not settle on the roof. provided that the pitch remains the same. Company Registration Number: 7685988 | VAT No: GB115885496 This tells you how to calculate roof areas suitable for using in all the programs on this site. Find the area of any simple shape on a map. Our Slate Calculator will do the rest (remember, when checking out, to add 10% more onto the total in order to cover wastage). However, CalcTool's unit menus remove this issue, doing all the unit conversion for you. 40.8 linear metres Eave @ 600 overhang = 24.5 m² Level (or 25.3 m² at 15 °) Roof Volume - top of wall/plate to under rafters 24.12 m³. It is the Horizontal area that is required, (not the sloping, actual area). Roof pitch is a determining factor for cost of the roof, as well as the roof area, and the type of materials used. Next, multiply the area by your roof’s pitch. Any impervious surfaces should be taken into consideration. (For example, 40 feet x 30 feet = 1,200 square feet.) Looking for cost or price data ? Width of Area to cover: in Metres: Roofing Profile Useful for rooms, yards, gardens, anything rectangular in shape. Roughly 179m 2 of sheeting will be needed to cover the roof. B can be calculated separately or together. How to calculate the roof area of a building . Although this calculation is simple in principle, the units can make it a headache. Roofing Terminology Diagram. m 2 Floor Area of a Room Calculator. All of the above calculations have been done for two coats of paint. AREA -WEIGHTED U-VALUE CALCULATION WALLS W Allowable ROOF (A) ROOF (B) m2 WINDOWS ROOFLIGHTS Actual U values ROOF (A) U-VALUE ROOF (B) U-VALUE WINDOW U-VALUE WINDOWS/DOORS COVERED BY EXT All in m2 ROOF AREA (A) (Insulation at rafter level or flat) ROOF AREA … Car park and parking space area to determine the maximum number of cars spaces 4. In cases where a roof has a complex shape, such as in the image to the right, measuring the dimensions and areas of each part of the roof to calculate total area will result in a more accurate measurement of area. For instance, a 7/12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. To do this, your best bet is definitely finding a good hip roof construction calculator so that you can work it all out in a timely and simple fashion. On complex roof shapes, … In the United States, a run of 12 inches (1 foot) is used, and pitch is measured as the rise of the roof over 12 inches. As such, while it can be cumbersome, measuring the area and pitch of each part of the roof and multiplying by the corresponding correction factor will result in the most accurate estimate of necessary roofing materials. It may come in handy. Enter values below. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. Roof A and The Area to be drained is not the area of the entire roof, just the area draining to the particular outlet with no significant roof slope. Gable & Hip Roofs will have the same area provided that the pitch remains the same. Roof Sheeting Calculator. So if you divide your answer of a product of length times height by two, you will get the area of a triangle. Roof A & Roof B dimensions will provide the total exposed roof Formula: Area of Slope = Rafter Length x Roof Length x 2 (on both sides of the roof) With the figures in this example, the calculation would look like this: 3.97 x 12.6 x 2 = 100.04m² (Total Roof Area) When you know this, you can work out all the materials needed to complete your project. All these tools are free and we hope - easy and intuitive to use. Use this area calculator to work out the floor area of a room If you're room is rectangular, then simply enter the width and depth of the room and the unit of measure, and the resulting floor area of the room will be calculated in several different units of measure, both metric and imperial, useful if … Our roof calculator uses “base length” and “base width” to find the estimated area. The calculator cannot account for complex shapes based on a measurement of square footage alone. Top of wall/plate to top of rafters 31.57 m³ End Frieze Block (Bird Block) Plumb Angle 14.5 ° - Side Angle = 43.1 ° (Blocks perpendicular to roof angle) Enter Your Roof Area in m 2 (length x width) This is known as your catchment area. Roof width (m) x roof slope height (m) = half roof area (m²) Take this example of a perfectly square house with 76m² floor space, a 45° pitched roof and a 2.35m roof height. This information is often found on the floor plan or can be easily visually estimated. Multiply your house length by your house width to get the area. areas (the hidden area is subtracted from the total). This will provide an area calculation for clay or concrete roof tile, natural or Next, calculate how many tiles you’ll need with this formula: Roof area (m²) x tiles per m². The Area Calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof. Area Calculator . Roof Area calculator. For one of our branches to give you a quote we need the following information about your roof: What type of Piched Roof are you working on (see diagrams) and the measurements if possible Pitch of roof or Rafter length What parts of the roof you want a quote for (e.g. by selecting the nearest angle in the box below. Our patented technology calculates square footage and linear measurements for the roof, siding, windows, trim and more. right of the form for a simple "shed" roof. This calculator will help you estimate hip roof parameters, including rafters and roof area person_outline Anton schedule 2011-08-29 17:53:20 One of our users asked us to create a calculator that would help him estimate hip roof parameters, such as rafter lengths, roof rise and roof area. Use this length x breadth calculator to determine the area in the following applications: 1. It affects walkability as well as drainage, and roofs in areas of high rain or snowfall tend to have steeper pitches. While it is possible to estimate the amount of necessary materials using only the total roof area measurement, as can be seen from the table, depending how large the pitch of the roof, the actual area of the roof can differ by up to 2.236 from the measured total area at a pitch of 24/12. The maths behind this number is that it is the square root of ((rise/run) 2 + 1). Copyright © 2007 Source For Me Limited - Telephone 0845 803 7769 Depending whether the roof area is measured horizontally (possibly from a drawing or photograph), a correction factor is necessary to determine the actual area of the roof. end or hipped roof. To allow for hips, ridges, and waste, add 10% of your final number for a gable roof and 17% of your final number for a cottage roof. Useful tool to find the approximate acreage or a tract of land, the square footage of a roof, or estimate of the area … Ponding Depth A Flat roof normally has high and low points. A 12 in 12 pitch is a steep, 45-degree angle roof. There is a separate calculation at the The calculation of Roofs A and B require a gable height or fall to be entered. Here you can easily find how much rainwater you can collect from you roof, how much you need to remove from a courtyard, or how much runoff you can expect from an area … Roof and exposed roof tile area to estimate the number of roof tiles or the amount of roofing felt required to cover the whole roof. Since most roof projects in UK / Europe are REPAIRS and not a complete replacement, you will see cost / M2 go down as roof size increases and vise-versa. You can speak to our experienced customer service team via telephone on 01295 565 565, via email at sales@roofingmegastore.co.uk or via the handy live chat on our … Dimensions: Measured in: Length: Width: Feet Meters: Area in Square Feet: Area in Square Meters: BookMark Us. Outside of the U.S., a degree angle is typically used. Color: Darker colors absorb more heat so they last less. This will provide an area calculation for clay or concrete roof tile, natural or composite slate, underfelt or breathable felt and ridge length. (l×h)/2 = Area Calculating an area of a triangle when estimating a roof If you are unsure of how to go about this, you may find our handy calculation guide useful. Russell Roof Tiles is the trading name of Russell Building Products Limited. Explore a number of housing related calculators, as well as hundreds of other calculators covering topics such as finance, math, health, fitness, and more. Simply select the size of slate you need and enter the size of your roof in m2 into the box. The maximum depth of ponding will be the difference between these heights for the catchment in question. To find the area of your hipped roof, simply multiply your plan area by the Roof Slope Factor for the roof area. composite slate, underfelt or breathable felt and ridge length. Although ceramic tile roofs are expensive, they can have a life span of over 100 years. Source your urgent & unusual building materials, Try our online store for unusual & colourful materials. From your average hip roof calculator to something more specific like a hip roof rafter calculator, there is plenty to consider with this kind of calculation! (1,200 x 1.05 = 1,260 square feet.) Given pitch and a horizontal area measurement, multiply the horizontal area by a correction factor corresponding to pitch, provided in the table below, to determine the actual area of the roof to be used in the Roofing Material Calculator. Enter the Length and Width to calculate the Area. The spreadsheet of these products would vary due to factors including, but not limited to, surface temperature, surface type, seasons, application and colour. The base width is the distance from one corner of your roof to the other, at its base, on the short side of … The same method is used for gable roofs. 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