How To Do A Roof Chop

Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter.

How to do a roof chop.

The seat rests on top of the wall that you re attaching the particular rafter to while the shoulder cut parallels the wall and allows several inches of each rafter to overhang the roof. A quick glimpse of the chop taking shape. Earlier model cars and pickup trucks were boxier shaped than the ones produced in the 50s and 60s and not very aerodynamic. Be careful to drive nails straight rather than angled.

Then fold the flashing over the peak and cover the cut ends with self stick underlayment. See all 21 photos. It took over a year to finish the roof chop on my car. After the cuts are done the roof will be real floppy.

I added them after we started cutting it but it worked ok. Chopping a top what. It takes a month to finish weld the chop. The next cut will be the back of the roof.

The deck lid piece is next. It takes one weekend to chop the top and tack weld it back on. Roof valleys channel a lot of water so they need extra protection. If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters.

The roof rafters provide integral structural support to the roof. A cut roof this is the traditional method of cutting the timber on site and building up the roof using rafters ridge boards joists and purlins etc the exact details being determined by the size of roof size of timbers etc. Start by installing self stick underlayment on the decking. Each shingle should be held by four nails.

This is where the quality of planning for the chop shows up. We used some clamps to hold it while we cut the a pillars. I must note that before you make this cut draw several vertical lines that you can use for reference at a later time. A birdsmouth cut has 2 parts.

To lower that profile dry lakes racers and hot rod builders mimicking the look of racecars cut the roof off of the vehicle and reattached it after removing part of the sheet metal and posts through the center of the window line. Since the angle will be different now cut slits along the edge of deck lid opening. As you can see from the cut tack our roof actually went up about a inch. Cut the flashing back to the peak along each crease.

This process is much easier with two people. Any fool can do this. Cut the last ridge shingle to the length you need but be sure that no part of the roof is exposed. A horizontal cut called the seat cut and a vertical cut called a shoulder cut.

Do the same with the next shingle continuing this step until you get to the far edge of the ridge. Read this before you chop. Seriously if the doors don t fit right before you cut the roof off a car i can assure you that they won t fit after you weld it back on and the results could be permanent. This will allow you to push down the lip to meet the correct angle.