Vinyl siding is the blue jeans of home exteriors—dependable, affordable, and stylish in just about any setting. But just like denim, it’s not invincible. Warping, bulging, and buckling are often the result of common issues that can be prevented with the right knowledge and care. The most frequent cause of warping is improper installation. Vinyl needs room to expand and contract with changing temperatures, so if it’s nailed too tightly, it can buckle. Excessive heat is another major factor, especially on the south- and west-facing walls, where the sun beats down hardest. Strategic shading can help mitigate that risk. Cheap, low-quality materials are also more vulnerable to distortion, so it’s worth investing in premium siding that’s thicker, UV-resistant, and impact-rated. Even though vinyl is low maintenance, neglecting inspections can let small issues go unnoticed until they become big problems. A twice-yearly checkup can help you catch warping before it spreads. Lastly, Mother Nature plays a role too—extreme temperature swings or harsh weather can challenge even the best siding. Understanding these risk factors helps you protect your investment and keep your home looking sharp season after season.
source: https://gobighorn.com/what-causes-vinyl-siding-to-warp-over-time/
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