Jacking Up A Flat Roof

Remove the jack quickly and set the iron onto the entire beam.

Jacking up a flat roof.

Drive the remaining carriage bolts into the two by six rafter and tighten them all up. First perform step 2 except keep the string under your beam and off to the side a bit to make room for some framing. Then lower the jack down a little at a time so that the metal can take the weight of the roof. In most cases a sagging roof is caused either by a broken rafter or roof decking but in some more severe instances a damaged or sinking foundation can be the underlying cause of the problem.

Jacking can mean different things. Getting a kit means you don t have to hunt down the individual components you need for a repair. So i found myself having to jack up one corner of our front side porch roof. While few of us are interested in jacking up an entire house complete with cribs girders timbers and everything else you need in order to lift a house off the ground there are a number of foolhardy souls among us who feel the need to jack up a portion of the house in order to insert an extra tier or beam for repairs or to level an old sloping floor.

This time i was jacking the porch roof up so i could install my final and last portion of half round gutter. Jacking up a porch roof at a sidewall. You will need to get up into your attic and examine the roof carefully in order to discover the underlying cause. This is the 3 rd time we ve jacked up a portion of this house.

Now add collar ties from one side of the rafter to the other. 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. These are steel anchors that fasten to your roof and hold planks of wood for you to walk on. Many of them include caulk for sealing cracks as well as patches for treating larger areas of damage on the roof membrane.

You may remember my postings last year on.