How To Fix A Sagging Porch 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.

How to fix a sagging porch roof.

Well it turns out that fixing the sagging roof issue on my front porch was way easier than i had thought it would be. How to repair a damaged roof. Some of the porch that isn t rotted might be able to be reused. This will hold the weight of the porch roof while replacing the beam.

Next place your piece of plywood and styrofoam foam side up against the damaged roof decking. My guess is that the entire porch roof will have to be replaced rather than having to piece together a fix. A bottle jack is a small hydraulic that uses a long handle to raise and lower support braces. Sagging rafters can lead to serious problems with the entire roofing system.

First i cleared out a level area under the porch next to the sinking support column. So to begin i removed the existing counter flashing running about 5 courses up this was as easy as finding nails and prying. In raising the roof i knew was going to have to reset the roof s flashing as it meets a sidewall of the house. Push up on the plywood until the foam is touching the underside of the roof decking.

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. For less than 20 and a couple hours time i was able to level the sinking side of the porch. Porches are subject to the insidious force of all weathers from driving rain and bleaching sun to wind driven snow and high humidity. In this case one corner of a neighbor s porch sunk about 1 5 inches over the last couple decades.

The corner was only being supported by one column. I won t speculate upon repair costs because i don t have a clue about the quantity and quality of materials as well as your local labor rates. Move the braces into place on top of the bottle jacks image 3 then raise them till they support the roof. This is how it looked just a few days ago.

How to repair a sagging support beam. That s how to fix a sagging roof. Things to consider with jack up a porch roof the prep.