Before we delve into the use of composite shims for exterior door installation, let’s understand why shims are necessary in the first place. Shims play a crucial role in achieving a square and plumb installation. When installing an exterior door, it is important to ensure that the door is straight, level, and properly aligned with the opening.
Due to variations in the wall construction and the door frame, there are often gaps and uneven areas that need to be addressed. This is where shims come into play. By strategically inserting shims in the necessary areas, installers can adjust the door frame to align with the rough opening, creating a tight and secure fit.
Traditional Wooden Shims vs. Composite Shims
For years, wooden shims have been the preferred choice for many installers. They are readily available, affordable, and easy to use. However, wooden shims have some drawbacks. They can compress over time, leading to misalignment of the door frame. Moisture can cause wooden shims to swell, potentially compromising the structural integrity of the installation. Additionally, wood can shrink or expand due to varying weather conditions, which can cause the door to stick or become loose.
Composite shims, on the other hand, are made from synthetic materials that are resistant to moisture and decay. They are designed to remain stable and maintain their shape over time, ensuring long-lasting support for the door frame. Composite shims are also resistant to splitting and can be easily adjusted or trimmed to fit the required dimensions.
Advantages of Using Composite Shims for Exterior Door Installation
- Stability: Composite shims are less likely to compress or shrink over time, providing consistent support and alignment for the door frame.
- Moisture Resistance: As exterior doors are exposed to the elements, it is important to consider the impact of moisture. Composite shims are resistant to moisture and will not swell or warp, ensuring a reliable installation.
- Non-rotting: Unlike wooden shims, composite shims do not rot or decay. This makes them an ideal choice for exterior door installations, where prolonged exposure to moisture can cause wood to deteriorate.
- Easy Adjustment: Composite shims can be easily adjusted or trimmed to achieve the perfect fit. Their thin design allows them to fit into tight spaces and fine-tune the alignment of the door frame.
Installation Tips and Considerations
When using composite shims for exterior door installations, keep the following tips and considerations in mind:
- Start with a secure rough opening: Properly prepare the rough opening before installing the door frame to ensure a stable foundation.
- Use multiple shims: Insert multiple shims where necessary to evenly distribute the weight and pressure across the door frame.
- Trim shims carefully: Use a utility knife or a saw to trim the excess length of the shims, ensuring they do not protrude and affect the door’s functionality.
- Test the fit: After inserting the shims, test the door by opening and closing it to ensure proper alignment and smooth operation.
Composite shims can be successfully used for exterior door installations. Their durability, stability, and resistance to moisture make them a reliable choice for ensuring a tight and secure fit. By following the recommended installation tips and considerations, installers can achieve a professional-looking and long-lasting door installation.