Calculating Window Awning Drop And Projection

Determine projection b of awning.

Calculating window awning drop and projection.

With window awnings projection is replaced by vertical height. 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. 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 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.

A four inch sleeve for the head rod is assumed and automatically added to the calculated projection. We can create custom awnings that range from 8 feet to 35 feet and custom projections that range from 5 feet to 13 feet. For example a window that measures 60 in height would have an awning that has a 30 projection. The projection of the awning is usually determined by the height of window or point drop unless a crank out window.

A standard projection b would be approximately half the height of your window. In that instance you need to ensure the window when cranked out does not hit the awning. The projection will be calculated from both the height and depth measurements. 1 select your desired width and projection x height from the drop down menus.

Custom projections widths and heights are available. Posted by 3 years ago. Be sure the window projection does not protrude int the path of foot traffic and should be 6 8 above the ground. Give us a call at 1 800 44 awning.

Custom awnings don t hesitate to call us if you think you want an awning wider than 20 feet or with a different projection. You can choose either projection this will change the height of the. How do you calculate the projection factor of a gable end roof overhang. Now you know how to measure for an awning.

How to measure projection of awning. The default awning height is the same as the awning projection. Call for exact sizes in this instance. The projection is how far the awning will project from the building.

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 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.

Be sure to allow for clearance of window or door. Determine width c that awnings should be. Determine height a that awning should be from bottom to top. B height awning height measured on structure.

Contact us to order custom sizes. For example if the sunsurrender ii awning has a 10 projection then the total drop should be 30 lower than the mounting point. Measure the height of the window from the edge of the trim on each end.