Calculating Window Awning Drop And Projection

A standard projection b would be approximately half the height of your window.

Calculating window awning drop and projection.

A standard practice is to add 6 to outside width of door or window. Now you know how to measure for an awning. 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. Call for exact sizes in this instance.

Be sure the window projection does not protrude int the path of foot traffic and should be 6 8 above the ground. How to measure projection of awning. Give us a call at 1 800 44 awning. The projection is how far the awning will project from the building.

B height awning height measured on structure. A four inch sleeve for the head rod is assumed and automatically added to the calculated projection. Custom awnings don t hesitate to call us if you think you want an awning wider than 20 feet or with a different projection. Posted by 3 years ago.

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. The projection will be calculated from both the height and depth measurements. Determine projection b of awning. Determine width c that awnings should be.

Determine height a that awning should be from bottom to top. The default awning height is the same as the awning projection. A hem allowance of 1 2 inch 12 7 mm is added to each side of this width. Our most common projection for a patio awning is 2 5m but it all depends on how much shading you want to provide.

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. You can choose either projection this will change the height of the. In that instance you need to ensure the window when cranked out does not hit the awning. How do you calculate the projection factor of a gable end roof overhang.

For example if the sunsurrender ii awning has a 10 projection then the total drop should be 30 lower than the mounting point. Measure from side to side at the top of the awning. 1 select your desired width and projection x height from the drop down menus. The angle of retractable awnings affects their maximum strength or their wind load.

Be sure to allow for clearance of window or door. Custom projections widths and heights are available. For example a window that measures 60 in height would have an awning that has a 30 projection. 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.

With window awnings projection is replaced by vertical height. For maximum strength the rule of thumb is to have 3 inches of drop for every foot of projection that the awning can extend. Measure the height of the window from the edge of the trim on each end.