Porch Roof Framing Details

Needed to tie the roof together where the rafters are framed at an angle to each other.

Porch roof framing details.

If you are tying the shed roof into an existing roof on the house you will need to remove the shingles and sheathing to expose the roof framing. You will need to attach the porch rafters to the house roof rafters and replace the roofing and flashing. In a rafter roof all of these components are required to provide a stable roof. Next soffit framing is installed along the roofs edge.

Rafters act more like the top chord of a roof truss than as a roof joist. This would provide detailed information in terms of the design and structure of the porch. Bottom of footing shall be a minimum of 12 below undisturbed soil 3. As you can see the truss angles are constructed to maintain the same slope.

The rise or height of the roof at its peak is the altitude of the triangle. In the upper part the. Above the porch framing to compensate for the difference in thickness of the 3 4 in. Grout shall be concrete or type m or s mortar 5.

Roof features associated with basic roof framing terms are shown in figure 2 2. Rafters should be attached to the header beam using hurricane ties. Gable porch roof framing this porch roof framing style has 2 sloping sides or parts that will meet at the top so that. Detail 1 detail 2.

Roof boards so use 3 4 in thick spacer blocks to raise the line to the correct tie in framing height. Roof framing terms are related to the parts of a triangle. And the line length measurement from the roof peak to the building wall is the hypotenuse. Do this by using a taut string line or a long straight board.

The details will make us aware that porch roof construction is really a hard and heavy work. All construction shall comply with the international residential code 2. The rafters carry the applied loads to the exterior walls. Porch roof framing styles mansard porch roof framing this style of porch roof framing has steep slopes on its four sides.

Remember to raise the tie in framing on the existing house roof in. One in every of the best luxurious lodges in new york is the helmsley park lane which is a 46 storey hotel with the panoramic and stunning view of central park. The run or half the building span is the base of the triangle. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

All concrete shall be a minimum 2500 psi 4. Refer to the figure as you study the terms discussed in the next paragraphs. When building a porch roof with trusses on this type porch the corner and subsequent trusses are built a little differently due to the slope of the roof. Span is the horizontal distance between the outside top plates or the base of two abutting right triangles.

The function of each component is.