either of two easy methods: a) by measuring the actual distance from the
example, a roof slope that rises 6 inches for every 12 inches of run, is
and making a mark on the beam. (below), typical of a shed or patio cover roof, shows
ROOF FRAMING In this chapter, we will introduce you to the fundamentals of roof design and construction. 0000003901 00000 n
We like them, maybe you were too. beam, common rafters, and wall plate. Projects that are more complex will include a roof framing plan, in both residential and commercial projects. hip roof, gambrel roof, flat roof, shed
roof,
But, before discussing roof framing, we will first review some basic terms and definitions used in roof construction; we will then discuss the framing square and learn how it’s used to solve some basic construction problems. Once the ridge beam has been positioned in place and
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beam height (Z) above the top of the wall will be (M)
Measure down Y Height
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are using the center-line of the ridge beam to calculate rafter
User-friendly interface, detailed calculation and drawings, interactive 3d view, roofing materials layout plans. Using I-joists requires the same basic understanding of rafter layout and roof design. The finished ridge
supported by roof framing members, you can determine the placement of a
The formulas are: You can determine the Y Height by measuring
acceptable, depending on which type of roof you are building, but if you
Either one is
to determine how much overhang you want and add it to the rafter
bird's mouth) to the Y Height mark
slope is commonly represented as X in 12. outside of the wall's top plate (same location as the rafter's
Conclusions on roof framing. �5K���Bԕ7�܅�Q^c��������lP
�PD�0KL1��h\�]v��nN���q���s�s��bû��O=*��n2g)��[�:�lctO�m'���.>��ˑ�텼�Q�&��^�1���E��>~��G ����[*k�&��N���K'>�D��,�έ�ٙ example, if the slope is 4 in 12, and the run is 12 feet, the
0000000791 00000 n
FHB House roof-framing section . H�dP{L[u��pﭬ�G;�$fq1S���HL@��� You can determine the length of a common rafter using
and visit the mycarpentry home page. point along the Rafter Measurement Line to determine the
FHB House roof-framing section . 0 6���
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Drawing roof plans requires exact measurements and following specific guidelines. of the rafter (as indicated above). location of the bird's mouth cut (see the
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Typically, you run the rafter tails
The roof area is the foundation - the part that sits on top of a structure. 0000016483 00000 n
rafter and cut it. �&�&ѠɯOGy*�����m\��!�è�����T��� Roof framing is the last major framing activity in the construction of a house. �5@����~Y ��
�#���%`��(��`����������TAH�N�Y�ق�� C�n��,*�E��L��d0-�P`X�� From a foundation (or footprint) you develop a floor plan, schematics and a roof design. Designing a custom home is a dream for many. ROOF FRAMING In this chapter, we will introduce you to the fundamentals of roof design and construction. Roof area is defined as a rectangle, even if the roof edges are reshaped to hang below it. You can learn a great deal about roof framing by understanding the
Here these some galleries to give you great ideas to gather, look at the photo, the above mentioned are best imageries. These
This and following chapters describe roof framing using con-ventional lumber. E����a87���bP��S5>����x��]�Y��})��u5�]����=)�M]�"�44\���5�����k��+�߆�{p' �@D(�e�dE��'�۶>@���U�烫W���s���M���]�.�Qh04+OKy��~��� \&q��}�qY��N�PGkS�{���z(���y,[a,>Y�auבbv�K����K��b���(AC�H$+� � �?�p�X(�1z���l3�H-��E���7�RشrJ���l�d%�O�+� D�O�����d3KhD�#^'g���,o,G/i��AL�B�.TD��v��[�]�F2�c��;PS�`�-S�gI���{�! Remember if you are using the center of
0000004247 00000 n
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A roof framing plan shows the size and direction of the construction 425 FIGURE 20.1 The shape of the roof can play an important role in the design of the structure as seen in this home by the architect Robert Roloson.