Chalkline protractor united states us d610 925s.
Real inventions roofing protractor.
New product agent inventor at real inventions pty ltd.
These are real inventions.
The tool is a 3 dimensional protractor all the angles are converted to degrees and factors for rafter lengths are also provided in the instructions.
There are many complex calculations for working out the various angles needed to be cut in the vast array of roof pieces that make up the roof frame so that it will all fit together.
I am the inventor of the roofing protractor and have provided some weblinks that are great for different roof rafter design below the first one is the best site for the mathimatic s for roofing the roofing protractor is a 3 dimentional protractor that can setout almost any timber size rafter or rafter angle required all requirements with one setting of this new product birdsmouth positions plumb cut side cuts and built in level to find angles.
Government grants for roof replacement may help with you home repairs.
Real inventions created by derek pater.
Real inventions was founded in 2009 in heathmont victoria australia by derek pater the managing director of real inventions.
The handy tools that make a big difference.
The stair square is is a brand new stair layout tool for stringers.
The roofing protractor has been invented to solve a problem that roof builders have been struggling with for many years.
Tribal members who live on tribal lands.
So then he set out a design for his first invention the roofing protractor.
It took a few attempts to get the invention just right but with the help of a retired scientist it was a success.
According to their website this program helps tribes evaluate and.
The adjustable roofing protractor by derek pater a new rafter layout system that simplifies the traditional roof frame layout method.
The stair square is designed for the purpose of marking out the cuts and rebates in stringers.
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For the going and risers for indoor and outdoor stair.
The tribal energy program.
Adjustable roofing protractor the general layout of the tool.