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How long for rafters for twenty foot wide one pitch roof?
25.8 feet
How do you determine pitch of roof?
The pitch of a roof is measure in a simple way. Rise over run. By this it means that, given the standard example of a 4/12 roof ,for every 12 inches or one foot of distance or run there is an according rise of 4 inches in height. If you wish to determine this you need to know the length of the rafters and then the height from the center of the rafter to the peak of the roof. For instance if the rafters happen to be 24 feet long that means that the run is 12 ft and if the height from the bottom of the rafter to the peak is 8 feet then you have a 8/12 pitch roof.
Is 2 by 4 walls and 2 by 2 rafters strong enough for a shingle roof?
This will depend on many things including:the spacing between the rafters;the spacing between the studs;the pitch of the roof;the wind zone;the type of fixings being used; andthe span of the rafters.Contact your local authority or a competent local builder or architect regarding what can be done in your area.
What is horizontal board that connects two rafters on opposite sides of a ridge board is?
The horizontal board that connects two rafters on opposite sides of a ridge board is called a collar tie. It helps to stabilize the rafters and prevent them from spreading apart, ensuring the structural integrity of the roof.
How does the job of a construction worker relates to math?
Relates in many different ways you are constantly working with fractions, there are different formulas for different things like figuring out the rise and run on a set of steps or the rafters to frame a roof.
