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. Any impervious surfaces should be taken into consideration. If you’ve got any more questions about working out the size and angle of your roof area, or need help using our roof tile calculators, don’t hesitate to get in touch. It is the Horizontal area that is required, (not the sloping, actual area). Based on your inputs, the calculator will automatically adjust cost / M2 up or down, for smaller jobs. Shingle roofs typically have a life span of 15-30 years, while membrane roofs usually last 5-15 years. The maximum depth of ponding will be the difference between these heights for the catchment in question. Simply select the size of slate you need and enter the size of your roof in m2 into the box. All of the above calculations have been done for two coats of paint. TOTAL WALL AREA WINDOW/DOORS COVERED BY EXT M2 1. So if you divide your answer of a product of length times height by two, you will get the area of a triangle. Roofing Terminology Diagram. The spreadsheet of these products would vary due to factors including, but not limited to, surface temperature, surface type, seasons, application and colour. Roof A and Roof pitch is the measurement of a roof's vertical rise divided by its horizontal run. Roof pitch is a determining factor for cost of the roof, as well as the roof area, and the type of materials used. Roof A & Roof B dimensions will provide the total exposed roof Use this length x breadth calculator to determine the area in the following applications: 1. 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! Area is defined as the expanse or measurement of a given surface, and there are a few methods for measuring your roof’s area. Russell Roof Tiles is the trading name of Russell Building Products Limited. On complex roof shapes, … 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 … 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. Includes multi-unit residential buildings. AD L1B CHECK 2. Gable & Hip Roofs will have the same area Company Registration Number: 7685988 | VAT No: GB115885496 1 roof square = 100 square feet; The length (l) times the height (h) of a triangle is twice its area (A2). Next, multiply the area by your roof’s pitch. 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 following tools estimate the area of a roof, as well as the amount of materials necessary to construct a roof of a given area. A 12 in 12 pitch is a steep, 45-degree angle 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. Explore a number of housing related calculators, as well as hundreds of other calculators covering topics such as finance, math, health, fitness, and more. Dimensions: Measured in: Length: Width: Feet Meters: Area in Square Feet: Area in Square Meters: BookMark Us. you don't know these, but do know the pitch angle, then the fall can be calculated 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) The most common roofing materials used in the United States include shingles, membrane roofing, and ceramic tile, all of which have different life spans. tiles, battens, felt, syklights … Color: Darker colors absorb more heat so they last less. The calculation of Roofs A and B require a gable height or fall to be entered. Enter values below. Find the area of any simple shape on a map. The calculator cannot account for complex shapes based on a measurement of square footage alone. 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. by selecting the nearest angle in the box below. Gable & Hip Roofs will have the same area provided that the pitch remains the same. It is often compared to slope, but is not exactly the same. Given that each person will receive 60° worth of the pie with a radius of 16 inches, the area of pie that each person receives can be calculated as follows: area= 60°/360° × π × 16 2 = 134.041 in 2 The effect of the roof slope is allowed for by entering the angle of the roof … Roughly 179m 2 of sheeting will be needed to cover the roof. 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. Note: An extra coat may be needed to cover entirely. Enter the dimensions below, then click calculate to calculate the Area. Roof Area (ft2) X Precipitation Amount (in) X 0.623 = Amount Collected (gallons) Easy Formula to Remember: 1″ of Rain on 1,000 sf Roof will Yield 623 Gallons Roof Area (m2) X Precipitation Amount (mm) = Amount Collected (liters) Other Water Conservation Calculators Once the digital property is complete, you will receive detailed exterior measurements … It may come in handy. If you are unsure of how to go about this, you may find our handy calculation guide useful. Ponding Depth A Flat roof normally has high and low points. 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. Roof pitch affects the actual area of the roof. Marley Eternit Clay Hawkins tiles, for example, are 265 x 165mm, and the manufacturer specifies 60 tiles per m². B can be calculated separately or together. Slope: A roof with a high pitch can last longer because snow and rain can not settle on the roof. (l×h)/2 = Area Calculating an area of a triangle when estimating a roof Width of Area to cover: in Metres: Roofing Profile The base width is the distance from one corner of your roof to the other, at its base, on the short side of … This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. 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. 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. Our patented technology calculates square footage and linear measurements for the roof, siding, windows, trim and more. Seating area to determine the approximate crowd capacity. 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 … There is a separate calculation at the Multiply your house length by your house width to get the area. Our roof calculator uses “base length” and “base width” to find the estimated area. 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. It affects walkability as well as drainage, and roofs in areas of high rain or snowfall tend to have steeper pitches. Roof Sheeting Calculator. The rise is the distance from the top of a stud wall to the peak of the roof. Although this calculation is simple in principle, the units can make it a headache. 2. The roof slope height is 6.98m. areas (the hidden area is subtracted from the total). If we apply our example, the equation is as follows: 19.1 x 8.1 = 154.7 x 1.155 = 178.7. Outside of the U.S., a degree angle is typically used. All these tools are free and we hope - easy and intuitive to use. Here you will find roofing related tools like: roof area calculators, roof materials calculators, pitch calculators, geometric shapes calculator. provided that the pitch remains the same. composite slate, underfelt or breathable felt and ridge length. CLASS 2 High Rise Apartment A building containing 2 or more sole occupancy units each being a separate dwelling. 3. Warehouse storage floor area ca… 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. 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. m2 Choose Your Local Council if Listed. Enter Your Roof Area in m 2 (length x width) This is known as your catchment area. Copyright © 2007 Source For Me Limited - Telephone 0845 803 7769 Options for materials & labour ? 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. 400×250 / 16×10 (27 slate per m2) We’ve built a simple tool to calculate the amount of slate you need for your roof. Source your urgent & unusual building materials, Try our online store for unusual & colourful materials. 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 … 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 … Enter the Length and Width to calculate the Area. Roof A dimensions only will give you the area of a straight gable 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. Thus, a moderate 6 in 12 roof pitch means the roof rises 6 inches for every 12 horizontal inches it runs. Looking for cost or price data ? For instance, a 7/12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. This tells you how to calculate roof areas suitable for using in all the programs on this site. Area Calculator . Car park and parking space area to determine the maximum number of cars spaces 4. Our Slate Calculator will do the rest (remember, when checking out, to add 10% more onto the total in order to cover wastage). 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. Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the Roofing Material Calculator. However, CalcTool's unit menus remove this issue, doing all the unit conversion for you. To find the area of your hipped roof, simply multiply your plan area by the Roof Slope Factor for the roof area. First, find out the area of the roof. How to calculate the roof area of a building . Useful tool to find the approximate acreage or a tract of land, the square footage of a roof, or estimate of the area … The calculated area is only an estimation. 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. - Website by. The maths behind this number is that it is the square root of ((rise/run) 2 + 1). In general, in most of UK, "average" cost of repairing a Tile/Slate … 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. Useful for rooms, yards, gardens, anything rectangular in shape. 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. end or hipped roof. This will provide an area calculation for clay or concrete roof tile, natural or composite slate, underfelt or breathable felt and ridge length. 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. Roof Area calculator. 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. (For example, 40 feet x 30 feet = 1,200 square feet.) Although ceramic tile roofs are expensive, they can have a life span of over 100 years. 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. (1,200 x 1.05 = 1,260 square feet.) Just snap a few photos of the exterior of the house with the HOVER app and our patented technology will take it from there. right of the form for a simple "shed" roof. m 2 Floor Area of a Room Calculator. The same method is used for gable roofs. If A roof’s pitch is determined by how much it rises for every foot it runs. Have the same 6 inches for every foot it runs can have a life of... Clay Hawkins tiles, for example, 40 feet x 30 feet = square... 1.155 = 178.7 estimates the area of the house with the roofing Material calculator multiply. The floor plan or can be calculated separately or together calculate the area equation is as:! Depth of ponding will be the difference between these roof area calculator m2 for the catchment in question you! 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