Bay Windows
This is a winkelfix a handy piece of kit if you are measuring bays. They can be bought for around £95 from all good tool retailers.
Other angle measuring devices are available
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When measuring bay windows always give as much information as you can so that when calculating your bay we can be sure that it will fit correctly. Give angles, tie lines and throws.
When installing bay windows it is usually necessary to use bay pole jacks to take the weight of whatever is above the existing bay window. Timber bay windows in alot of cases are integral structual parts of a house and it cannot be expected for a PVCu window to act in the same way without additional support. Please request bay jacks when ordering your bay window if they are required.
A,B.C,D,E,F are the INTERNAL frame sizes. You must always use the internal frame sizes when measuring a bay whatever shape it may be.
W is the Back span or tie dimension this is measured from the furthest edges of the internal frame you may have to remove architrave or plaster to be able to measure this correctly.
D1, D2, D3, D4, D5 these are the throws these are measured from the internal corners of the frame to the tie dimension you will need a string line across W to do this properly.
This is the minimum amount of information required to calculate a bay window correctly if possible use a winkelfix (see picture at top) to find the angles and always supply the the back span (W) this will ensure that your measured angles are correct.
Ordering a bay window using our order forms is straight forward. you can do it in one of two ways see diagram below:
Please note that the item numbers refer to the windows and doors order form you should fill in the window styles as is expalined in the ordering information page.
Or you can draw your bay layout in the additional information Box on the windows & Doors order form. Take care to put down your bay pole or post requirements and all of your measurements and state clearly on the order form which windows are the parts of your bay.
Conservatories should be measured in much the same way as a bay window (afterall a conservatory is really just a big bay) remember always give the internal size i.e on a conservatory you would be giving the inside measurement of the external brick assuming the conservatory is built with a cavity wall.
Flat to Bow windows are much easier to measure than a bay. Treat the window as a flat window. Measure your overall height and width. Remember to deduct enough off your height in order to fit what ever kind of roof and cill you are constructing. Then all you need to do is give us a projection, this is the amount you want the bow window to come out and the measurment is from the inside of the external brick to the back of the new cill. Bow windows usually have angles between 160 and 170 degrees. Bow windows are usually constructed using Eurocells 160-170 degree variable angle post to give a nice clean look and minimal amounts of plastic.
Bows
