Controlling heel height


rlackore
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Ohhhh great :)   thx Allan.

 

Pitch is in Degrees  

 

I usually use this Site for conversions and Round off to nearest full Degree     eg 10/12 is 39.81  so  40°deg.

 

http://www.blocklayer.com/PitchAngle.aspx

 

***edit  found my other Cheat Sheet to convert Roof Pitches  , see post below.

 

 

Hopefully the Oz and Kiwi Architects will agree once they are online :)

So what are your normal chord thicknesses?

Ours are 3.5" 5.5" 7.25" 9.25" etc

 

Not sure if this is correct.

 

post-2435-0-55050800-1440801340_thumb.png

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The Nominal or "call" sizes ( vs actual)  are equivalent to   25mm = 1" 

 

2x4    is  50 x 100 ,

2x6    is  50 x 150 ,

2x8    is  50 x 200 ,

2x10  is  50 x 250 ,

2x12  is  50 x 300 

 

ie:

 

 

Where the standard specifies members by call size  those sizes shall be read as the actual minimum dried sizes given below:

 

Call sizes (mm)                                   25 40 50 75 100 150 200 250 300

 

Actual minimum dried size (mm) 19  35 45  70  90   140  190  240  290

 

(Call size is also referred to as "nominal" size).

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