Designed to be a community project similar to Wikipedia. Currently, 300 keywords
About Roof Framing Help Desk
Roof Framing Help Desk is a tools app developed by Roof Framing Help Desk.
How many times has Roof Framing Help Desk been downloaded?
Roof Framing Help Desk has been downloaded 8 times. In the last 30 days, the app was downloaded 0 times.
What is the rating of Roof Framing Help Desk?
Roof Framing Help Desk has no ratings yet.
Is Roof Framing Help Desk free?
Roof Framing Help Desk costs $9.99 to download. The APK download size is 47.15 MB. The latest version available is 1.0. The last update was on May 5, 2026.
What are the requirements for Roof Framing Help Desk?
The app has a content rating of Everyone. The app has been available on Google Play May 2026.
Description
The Roof Framing Help Desk app/Bot is designed to serve as a knowledge base for roof framing techniques and to calculate rafter angles and rafter lengths. It can calculate the rafter angles for equal-pitched, unequal-pitched, and polygon roofs, such as Octagon roofs. It is also a knowledge base for roof framing. Enter a keyword like 'irregular hip roof,' and it will provide you with a link to a web page with explanations on cutting an irregular hip roof. Or enter a keyword like devioement-hip shift, and it will provide you with a link to a webpage for devoiement. Or how to lay out a hip rafter precisely. It will calculate rafter angles and rafter lengths.
There are currently over 300 keywords to search the knowledge database. Over 800 drawings explaining different roof framing techniques, as well as 150 new webpages of information for the keywords in the knowledge database. If you have a webpage, PDF file, or YouTube video you would like to share, you can add it to the knowledge database. The main concept of the knowledge database is to make it similar to Wikipedia, except for roof framing techniques.
Menu selection Live Knowledge Database-> Search the Live database on our server Static Knowledge Database-> Database is locally stored and not updated Irregular Hip Roof Calculator-> Returns all the calculations to cut an irregular hip roof Number of Risers-> Simple stair rise height-riser count calculator Submit New Keywords -> Submit new keywords to be added to the Database Books on Geometry -> Books on Geometry, Stereotomy, Trigonometry, Roof Framing Posters & Study Resources -> PDF file links Settings -> Control screen animations
Use the built-in rafter length calculator for irregular hip roofs. Include the hip rafter offset calculations for equal overhang.
Example results for the Irregular Hip Roof Rafter Calculator:
Roof Eave Angle: 90 Main Pitch: 8.0 Adjacent Pitch: 11.0 Main Slope: 33.69007 Adjacent Slope: 42.51045 Main Plan Angle: 53.97263 Adjacent Plan Angle: 36.02737 Hip Rafter Slope: 28.33166 Main Backing Angle: 19.04187 Adjacent Backing Angle: 33.12606
Hip Rafter Width 3.5 Hip Rafter is not Shifted Main Backing Depth 19/32" Adjacent Backing Depth 1 1/8" Main Plumb Line Shift 1 9/32" Adjacent Plumb Line Shift 2 13/32"
Hip Rafter Length: 168 9/16" Hip Rafter Length To Ridge: 167 17/32" Hip Rafter SBBA at Ridge: 36.02737 Main Rafter Run: 120" Main Rafter Length: 144 7/32" Main Rafter Length To Ridge: 143 5/16" Adjacent Rafter Run: 87 9/32" Adjacent Rafter Length: 118 3/8" Adjacent Rafter Length To Ridge: 117 3/8" Rise: 80" Rise To Ridge: 79 1/2" Top of Ridge: 79 1/2" + HAP
Main Purlin Miter Angle: 21.97005 Main Purlin Bevel Angle: 29.30039 Adjacent Purlin Miter Angle: 42.89582 Adjacent Purlin Bevel Angle: 36.59559
Main Roof Sheathing Angle: 58.82 Adjacent Roof Sheathing Angle: 44.61
Jack Rafter Spacing: 16.0 Main Jack Rafter Length Difference: 26 7/16" Main Jack Rafter SBBA: 53.97263 Main First Jack Rafter Length: 24 3/32" Adjacent Jack Rafter Length Difference: 15 25/32" Adjacent Jack Rafter SBBA: 36.02737 Adjacent First Jack Rafter Length: 13 19/32"
Valley Sleeper SBBA: 37.83207 Valley Sleeper Offset: 1 5/32"
For Equal Overhang Roofs Using Hip Rafter Offset Over Hang Run 12.0 Hip Rafter Offset From Corner 4 1/2" Offset Wall Plate Rise 3" Main Rafter Run 120" Adjacent Rafter Run 84" Offset Wall Plate Length 115 1/2" Adjacent Rafter Length 113 15/16" Adjacent Hip Rafter Run 142 13/16" Adjacent Hip Rafter Length 162 1/4" Adjacent Hip Rafter Length To Ridge 161 13/32" Main Jack Rafter at Corner Theoretical 5 13/32" Main Jack Rafter at Corner Long Point 4 5/16" Main First Jack Rafter Long Point 29 1/2" Adjacent First Jack Rafter Long Point 13 19/32" Main Overhang Rafter Length 14 13/32" Adjacent Overhang Rafter Length 16 9/32" Hip Rafter Overhang Rafter Length 23 3/16"
Here's a link to the help files https://www.raftertools.com/bot/index.html
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