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Calculating window awning drop and projection.
For example a window that measures 60 in height would have an awning that has a 30 projection.
A standard practice is to add 6 to outside width of door or window.
A well placed awning will block the hot sun in the summer when the sun is higher in the sky at noon but will allow the sun to shine into the house in the winter when it is lower in the sky at noon.
B height awning height measured on structure.
For example if the sunsurrender ii awning has a 10 projection then the total drop should be 30 lower than the mounting point.
For maximum strength the rule of thumb is to have 3 inches of drop for every foot of projection that the awning can extend.
The angle at which the sun strikes the window at midday depends on the season of the year and the latitude at which the house is located.
1 select your desired width and projection x height from the drop down menus.
Contact us to order custom sizes.
Posted by 3 years ago.
The angle of retractable awnings affects their maximum strength or their wind load.
Call for exact sizes in this instance.
The projection of the awning is usually determined by the height of window or point drop unless a crank out window.
Custom awnings don t hesitate to call us if you think you want an awning wider than 20 feet or with a different projection.
Measure from side to side at the top of the awning.
The idea behind the pf is that if your windows are in shade then you can have an increased solar heat gain coefficient in the glass because you are not expecting as much direct heat sunlight to be entering the.
Measure the height of the window from the edge of the trim on each end.
Our most common projection for a patio awning is 2 5m but it all depends on how much shading you want to provide.
Determine width c that awnings should be.
The projection will be calculated from both the height and depth measurements.
Be sure to allow for clearance of window or door.
A hem allowance of 1 2 inch 12 7 mm is added to each side of this width.
A standard projection b would be approximately half the height of your window.
With window awnings projection is replaced by vertical height.
How to measure projection of awning.
Be sure the window projection does not protrude int the path of foot traffic and should be 6 8 above the ground.
Determine projection b of awning.
You can choose either projection this will change the height of the.
A four inch sleeve for the head rod is assumed and automatically added to the calculated projection.
How do you calculate the projection factor of a gable end roof overhang.
The default awning height is the same as the awning projection.
Custom projections widths and heights are available.
The projection often needs to be 0 5m less than the width to support the structure effectively but our team will be able to advise on this.
Determine height a that awning should be from bottom to top.
The projection is how far the awning will project from the building.
