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If you’ve noticed your siding starting to warp or look wavy, you’re probably wondering what’s causing it and whether it’s something you should be concerned about. While some cases are simply cosmetic, others can lead to further damage if not identified during the early stages. By understanding what causes siding to warp, how serious the issue is, and whether it can be repaired, you can make informed decisions and avoid costly mistakes moving forward.
What Does Warped Vinyl Siding Look Like?
Warped siding usually appears uneven and may look bulging, bowed, or twisted. This prevents the panels from lying flat against the home. In some cases, the panels may pop out of place or create gaps between them.
What Causes Vinyl Siding to Warp?
Because several different issues can cause siding to deform, the way it looks often provides clues about what’s causing the problem and what to do about it. These causes include the following:
- Improper installation
- Nails driven too tight
- Incorrect fastener placement
- Lack of expansion gaps
- Uneven or damaged wall sheathing
- Moisture behind the siding
- Structural movement or settling
- Using a grill or heat source too close to the siding
- UV rays on low-quality siding
- In rare cases, sunlight reflecting off nearby screenless windows
Is Warped Vinyl Siding a Serious Problem?
Yes and no. Sometimes, it can cause serious issues that lead to further damage, while other times the issues are mainly cosmetic. However, it’s best to have a professional take a look at it to determine if it’s a serious issue or something that can wait.
Can Warped Vinyl Siding Be Repaired?
Although warped siding can be repaired, it greatly depends on the cause and the extent of the issue. Below are some guidelines on what to do depending on the case:
When a Simple Repair Is Enough
If the siding is warped due to installation errors, such as the nails being driven too tight, and the issue is recent, it can be easily solved by loosening the nails and ensuring that the panels can move freely during temperature changes.
When Sections Need to Be Replaced
If the warping is extreme and has been like that for months or years, or if it’s caused by a heat source, the only way to properly fix the siding is to change the damaged parts. However, if the current siding is older than 5 years, it will be close to impossible to match the new siding pieces to the rest of the siding on the home.
When a Full Siding Replacement Makes Sense:
If the siding is warped in a few different places or there is further damage behind the warped area(s), such as rotted wood, then a full replacement will be needed. However, if the damage is caused by structural damage, then replacing the siding will only help temporarily. The structure must be fixed first to prevent the issue from happening again.
How to Prevent Vinyl Siding from Warping
Before hiring a contractor, be sure they are experienced, insured, knowledgeable, and that they truly show they care about your project. It’s important that the installers leave room for expansion and contraction, that they assess the wood during the removal of the old siding, that the entire home has house wrap to prevent moisture behind the new siding, and that the nails are not driven too tight. It’s also important to inspect the outside of your home regularly to catch problems at an early stage.
When Should You Call a Professional?
If the siding is severely damaged, if you think water is getting through to the wood behind the siding, if you believe the issue is related to structural damage, or if you are looking to improve the curb appeal of your home.
Final Thoughts
In conclusion, it’s always a good idea to have a professional take a look at your siding if you notice any warping. This can help you understand whether the issue is something that can wait or needs to be addressed as soon as possible. Investing in higher-quality siding is also recommended, or at the very least, avoiding very dark colors if you’re going with lower-quality siding.
Warped Siding FAQs
Can hot weather cause vinyl siding to warp?
Yes, especially with darker siding colors on low-quality siding
Can vinyl siding warp in the winter?`
Yes, if it’s caused by a heat source or structural damage
Will warped siding fix itself?
No
Does homeowners insurance cover warped siding?
It depends on the cause of the damage. Warping caused by improper installation, normal wear and tear, or lack of maintenance is generally not covered.
Can I repair warped siding myself?
It depends on the cause. If the warping is caused by improper installation or a heat source, then you may be able to fix it yourself as long as you have some installation knowledge.
