How To Build A Hip Roof On A Bay Window

Do not use this method to framing bay window roofs.

How to build a hip roof on a bay window. To get started building the bay window roof frame take a 2 by 6 ledger board and nail it onto the back wall. How to install a bay window. 45 wall with projection 24 45 wall with projection 28 45 wall with projection 32. Select 30 45 60 or 90 degrees from the dropdown list or enter any positive number of degrees from 1 to 90 directly in the input field.

We asked one of our veteran builders to show us how it s done. It looks like diy built the bay window roof. You ll also have to plan for the bay window roof. First the instructions to find the ridge length is wrong.

How to install a bay window. Part 2 with the roof built it s time to install the window. Unlike a traditional hip roof the roof over a bay window with 45 degree sides is based on an octagonal roof but most people don t know how to frame an octagonal roof. It s time to finish planning the roof frame.

While it s common to build hip roofs from trusses or premade frames it is possible to build your own hip roof. Then create the perimeter of the roof using the 2 by 6 sub fascia boards. Supporting a cantilevered bay before building that eye catching bay on the side of the house you have to get the floor framing right first. Roof framer s bible framing a bay window roof page 206 does not follow the holly grail of roof framing trigonometry and geometry.

Enter the angle of the bay. In this video rick arnold shows us his simplified method for laying out and building a bay roof. Partial hip roofs are common over porches entryways etc. Begin by measuring and cutting the wood then move on to installing the rafters and sheathing.

Bay angle is the angle that the side walls of the bay slant out from the wall the bay is built against. This bay window rafter script will print out a chart of all rafter lengths and angles for the baywindow. Part 1 build the roof first to make the installation a little easier. The starting pitch is 3 12 and the ending pitch is 16 12.

It s wrong and just plain ugly. You may also want to install long screws to affix the board even more securely. But once the window its frame and its cap are in place you can get started framing the roof. Auto generated rafter tables for equal pitch bay window roof with 45 wall angles.