February 21, 2019

Siding caulk is used by many siding and roofing contractors to keep moisture out of the spaces between your siding. However, it’s rather easy to overuse caulk, so you may need to learn more about how to apply it properly. ATD Roofing explores the numerous different ways caulk can be used and how adaptable the substance is in this article.

Caulking Siding

What Is a Siding Caulk?

Siding caulk is a sealant used to repair wood and vinyl siding. It can be used anywhere, however, it is most commonly used on siding. Beyond its primary purpose of filling and covering cracks and holes, siding caulk can assist prevent water damage from moisture buildup on the siding.

Type of Caulk

Siding caulk also comes in various formulations. Caulks are mostly silicone, latex, or a mix. They come in squeeze tubes or cartridges. With a cartridge and caulk gun, a more continuous bead is produced than with a squeeze tube.

Latex caulk is easy to apply, refill, and paint. Commercial roofing contractors recommend using this caulk for gaps that are easy to clean with soap and water. However, silicone caulk is tough to replace and not all types are paintable. But it’s more flexible and resistant to heat and sunlight. This caulk is perfect for filling gaps and outlasting latex.

When Is Caulk Used on Siding?

Corners, cracks and butt joints are frequent places to utilize siding caulk to prevent moisture buildup. To avoid harm, it’s crucial to know where not to use siding caulk:

  1. The application of caulk on wood sidings, such as shakes and shingles, may prevent natural expansion and contraction.
  2. Unless there is no flashing, caulk should not be used on fiber cement siding.
  3. Trim boards that sit on top of the siding should not be caulked. It can obstruct airflow and retain moisture under the siding.
  4. Siding caulk should not be used on horizontal siding sheets or tongue-and-groove panel edges. These panels are made to shed water and circulate air. Caulk could obstruct the panels.

Choosing the Right Caulk

You may be surprised to learn that there are numerous caulking materials available. Some of these cannot or should not be used for siding. Because each of these materials serves a role. Some caulk is for roofs and gutters, while others are for kitchen tools.

However, there are many exterior sealants available. Most are UV-resistant and can be used around siding and windows. They can also be fire retardant, which is perfect for locations that need a higher fire rating. Also, some sealants are perfect for roof repair and roof replacement, as they can help seal gaps between siding and roof.

ATD Roofing can answer any questions you have about siding. We provide a variety of services, including roof repair and gutter replacement. To schedule an appointment, please fill out our contact form. For residents in Greenville, call (864) 479-6814. For residents in Fayetteville, call (910) 218-2251.

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