Calculating Window Awning Drop And Projection

Measure from side to side at the top of the awning.

Calculating window awning drop and projection.

Determine projection b of awning. 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. Posted by 3 years ago. The projection of the awning is usually determined by the height of window or point drop unless a crank out window.

For example if the sunsurrender ii awning has a 10 projection then the total drop should be 30 lower than the mounting point. The projection is how far the awning will project from the building. You can choose either projection this will change the height of the. A hem allowance of 1 2 inch 12 7 mm is added to each side of this width.

How do you calculate the projection factor of a gable end roof overhang. The projection will be calculated from both the height and depth measurements. A four inch sleeve for the head rod is assumed and automatically added to the calculated projection. With window awnings projection is replaced by vertical height.

Be sure the window projection does not protrude int the path of foot traffic and should be 6 8 above the ground. The default awning height is the same as the awning projection. Now you know how to measure for an awning. For example a window that measures 60 in height would have an awning that has a 30 projection.

The angle of retractable awnings affects their maximum strength or their wind load. For maximum strength the rule of thumb is to have 3 inches of drop for every foot of projection that the awning can extend. Determine width c that awnings should be. 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.

A standard projection b would be approximately half the height of your window. How to measure projection of 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. In that instance you need to ensure the window when cranked out does not hit the awning.

Measure the height of the window from the edge of the trim on each end. Be sure to allow for clearance of window or door. B height awning height measured on structure. Custom projections widths and heights are available.

Determine height a that awning should be from bottom to top. Call for exact sizes in this instance. Give us a call at 1 800 44 awning. We can create custom awnings that range from 8 feet to 35 feet and custom projections that range from 5 feet to 13 feet.

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. Custom awnings don t hesitate to call us if you think you want an awning wider than 20 feet or with a different projection. Contact us to order custom sizes.