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What is the best solution to fixing this corner/siding rot?

3 years ago

Hi everyone,


We have been trying to figure out the best solution to a problem we are having with trim/siding rot for a long time and wanted to see if we could get some help with folks’ advice. Thanks a lot in advance!


Our house has a small extension that is not covered by gutters, and there is one corner of the extension where we are seeing some corner trim/siding rot, likely from water splashing up from the deck when it rains. The third picture shows a closeup of the issue where the white side trim is rotting away (also soft to touch), and the lowest piece of siding appears to be soft and warped as well. There are gutters on both sides of the original house behind the extension, but the extensions itself doesn’t have any gutters. The extension is asymetrical and the side with the rot has a longer length of ceiling, and is also a lot more shady than the other side due to position of trees.


When we first saw this issue, our instinct was that we are having a water problem because this extended area has no gutters, so we reached out to a roof/gutter contractor to talk about installing gutters first before fixing the rot. They said that the only place they could run gutters is along the front facade of the extension where the white trim is currently (not along the corner itself because of the position of the windows close to the corners), and they would cut into the deck to drop the gutters below the deck. We had orginally asked them to tie the new gutters into the old gutters on the side (which are connected to underground down spouts), but the contractor suggested not doing that because it would require too many 90 degree angle turns to tie new gutters from the extension parts to the gutters in the back, which would lead to potential clogs due to the amount of trees we have on this property (even though there are gutter screens). He suggested droppint the gutters directly under the deck, where there is gravel next to the foundation, but could not guarantee whether this could lead to foundation issues because we are directing water to an area where there wasn’t water before. He also was frank and suggested that though adding gutters to this extension would help reduce water flowing into that corner, he wasnt sure if it was a necessary project given it‘s a small piece of ceiling carrying water and we’re not sure how long it took for the issue to develop (we just moved in). The extension part extends outward 3 feet and the full length is a little over 10 feet long.


Later, we were chatting with our landscaper about this, and he said that gutters along the fromt facade of the extension would not help with the water issue along the corner, and that home extensions of this size shouldn’t need gutter additiona. He suggested thr real issue was that the corner area wasnt drying because of the shade we have and it would be a problem with gutters or no gutters. He suggested we not install gutters and instead fix the corner rot and also install molding to cover the corner trim and also along the bottom-most piece of siding to protect them from water (i guess kind of along the lines of what is under the french doors, except a different color to look nicer). Or replace the bottom wood siding with vinyl.


We are conflicted because the corner rot appears to be a small problem which we could just go ahead and fix. Of course, we would also like to make an effort to fix the water/moisture issue causing the corner rot because we plan on staying here for a long time, but also want to make sure that we are doing something that makes sense and isn’t potentially causing more issues/headache. We are first time homeowners so don’t really have experience and wanted to see if anyone had any advice on this.


1. Should we install gutters, molding/vinyl, or just fix the issue itself?

2. Do home extensions of this size (extending out 3 ft, with a length of a little over 10 ft) typically require gutters or is it good practice?

3. If we should install gutters, does what the contractor said about not tying the new gutters from the extension to old gutter downspouts because of too many twists and turns make sense, and is it ok to be dumping the water along the gravel under the deck along the home foundation?

4. Any other suggestions on how we should handle this situation?


Thanks for taking the time to read this and any thoughts/advice is greatly appreciated!





Thanks!

Am


Comments (12)

  • PRO
    3 years ago

    I am too lazy to read it all, but contact a local builder or carpenter you trust and have them suggest a repair and options of avoiding the same thing in the future.

    Am thanked Mark Bischak, Architect
  • PRO
    3 years ago

    You've correctly diagnosed the issue as splash due to the lack of gutters. I had a similar problem on my last (cedar-sided) home which didn't have eave-mounted gutters.

    Until you add gutters, the siding, deck, and the patio door will be subject to rot. I would add them and replace the inside corner board with a 2" x 2" solid PVC baluster, and then replace the siding. Remember to back prime the cedar and to paint all the cut ends before installation. You can run the downspout under the deck, but make sure it terminates well beyond the area of the foundation

    Am thanked Charles Ross Homes
  • 3 years ago

    Charles, what do you think about adding rain screen under the siding...assuming there is none now?

    Am thanked ci_lantro
  • 3 years ago

    "what do you think about adding rain screen under the siding"


    That would not hurt in addition to the above for sure. The sooner you get into that the better as you really want to keep the rot to a minimum and not have it extend to the sheathing, studs or sill plates. Sot on with what Charles suggested with new primed and painted cedar and pvc trim.

    Am thanked millworkman
  • 3 years ago

    Makes sense, thanks so much everyone!

  • 3 years ago

    How about a diverter on the short gutterless roof sections to redirect rainwater onto the lorger guttered roof?

    Am thanked edwardo
  • 3 years ago

    @edwardo would this option stick out/be visible on the roof? I think the roof company we spoke to mentioned this and said it would be unsightly

  • 3 years ago

    The ones I’ve seen are not particularly noticeable. On your house they would be on a short stretch of a second story roof.



    Am thanked edwardo
  • 3 years ago

    Oh so that’s what a rain diverter look like. I’m going to try it on the two sides of my house without gutters. Since I’m replacing my roof this is the time to tell the roofer to put them in while they’re still pricing out the job. They’re not expensive to add are they?

    Am thanked Kori Romeo (prefer text and email. No calls
  • 3 years ago

    Edwardo, will these rain diverters harbor ice buildup though in the winter for places like northeast (where I am). Considering all factors here.

    Am thanked Kori Romeo (prefer text and email. No calls
  • PRO
    3 years ago
    last modified: 3 years ago

    Rain diverters are used in our (coastal VA) area over doorways when there are no gutters. They tend to accumulate leaf litter and debris which is a periodic maintenance problem. They would not be a good choice in a cold climate where snow and ice could accumulate, too.


    ETA: The other problem with a diverter for the OP's application is that it will channel the entire volume of rain water from the small roof to a relatively small portion of the existing gutter. For anything other than a light rainfall, it will likely overshoot the gutter.

    Am thanked Charles Ross Homes