How To Fix A Sagging Porch Roof

Move the braces into place on top of the bottle jacks image 3 then raise them till they support the roof.

How to fix a sagging porch roof.

Push up on the plywood until the foam is touching the underside of the roof decking. Things to consider with jack up a porch roof the prep. The corner was only being supported by one column. Sagging rafters can lead to serious problems with the entire roofing system.

A bottle jack is a small hydraulic that uses a long handle to raise and lower support braces. In raising the roof i knew was going to have to reset the roof s flashing as it meets a sidewall of the house. First i cleared out a level area under the porch next to the sinking support column. In this case one corner of a neighbor s porch sunk about 1 5 inches over the last couple decades.

Porches are subject to the insidious force of all weathers from driving rain and bleaching sun to wind driven snow and high humidity. If not kept in good repair using water resistant materials and strategically applied coats of paint the key elements of a porch floors framing posts railings and decorative elements will deteriorate quickly. How to repair a sagging support beam. After that use a piece of lumbar strapping to keep the plywood in place until you can get a roofing repair expert to fix it.

My guess is that the entire porch roof will have to be replaced rather than having to piece together a fix. If you notice that there is a visible dip in your roof chances are you have a problem with one or several rafters and you may soon be facing more issues like water leaks bowed out walls or your roof caving in on you. This is how it looked just a few days ago. For less than 20 and a couple hours time i was able to level the sinking side of the porch.

Some of the porch that isn t rotted might be able to be reused. So to begin i removed the existing counter flashing running about 5 courses up this was as easy as finding nails and prying. I thought it was going to be some semi major construction removing the existing sagging beam and replacing it. That s how to fix a sagging roof.

Next place your piece of plywood and styrofoam foam side up against the damaged roof decking. How to repair a damaged roof. The sag wasn t horrible but it was definitely noticeable and it bugged the heck out of me every time i looked at it.