Jacking Up A Garage Roof

A rather simple method of jacking up ceiling joists to take sag out and putting in support lumber.

Jacking up a garage roof.

Jacking up a porch roof at a sidewall. Once the ledgers are up drive three double headed 16d form nails through the ledgers into each stud. Now add collar ties from one side of the rafter to the other. Place the jack back underneath the beam but this time under the iron piece.

You can do this by guarding it using an angle iron piece. Then lower the jack down a little at a time so that the metal can take the weight of the roof. Drive the remaining carriage bolts into the two by six rafter and tighten them all up. This is intended to form an added protective layer helping to avoid any cracks occurring in the wood.

From the garage floor. You should obtain a piece that measures 1 2 with sides that measure 4 in length and an overall length of the entire piece being a minimum of 2 feet. When it s up about an inch wedge the longer post in place to support the. Once you have established how much the roof sag needs to be jacked up lay a 2x4 plate across the ceiling joists and nail directly under the ridge of the roof.

This time i was jacking the porch roof up so i could install my final and last portion of half round gutter. So i found myself having to jack up one corner of our front side porch roof. Inside the garage tack two 12 ft. Using the shorter post slowly lift up the roof on that side.

You may remember my postings last year on. Remove the jack quickly and set the iron onto the entire beam. Long 2 8 ledgers to the northeast and southeast walls about 2 ft.