Porch Rafter Roof Framing

Cover some of the more common roof and rafter terms you ll need.

Porch rafter roof framing. Multiply the rise by the total run in inches. The rafter plate on your wall that is where your rafters will be attached to your home is critical to maintaining the correct rise and run for your porch roof. An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry. Rafter layout with a framing square.

Then divide by 12. All wood to be 2 douglas fir or better. Rafters act more like the top chord of a roof truss than as a roof joist. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run.

If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. Refer to the figure as you study the terms discussed in the next paragraphs. All construction shall comply with international residential code 2. Position the square with both the 8 inch on the outside edge of the tongue and the 12 inch on the blade on the upper edge of the board.

Porch depth footing size beam size max beam span rafter size post size 10ft 18 sq x 1 d 4x8 10ft 2x6 24 o c. Once completed roofing paper will be installed. The function of each component is. Roof features associated with basic roof framing terms are shown in figure 2 2.

12ft 2 sq x 1 d 4x8 10ft 2x8 24 o c. 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. Roof framing terms are related to the parts of a triangle. The rafters carry the applied loads to the exterior walls.

Span is the horizontal distance between the outside. Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. In a rafter roof all of these components are required to provide a stable roof. Then attach drip edge over the roofing paper.

Here there are you can see one of our framing a porch roof gable gallery there are many picture that you can found we think you must click them too. Position the square at the end of the rafter board with the tongue on your left and facing away from you. Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. This example is for a roof with an 8 12 pitch.

Sheathing 1 2 inch plywood or osb is nailed to the rafters.