When to Replace Siding: Signs, Costs & What Homeowners Should Know

Key takeaways:

• Whether you should replace your siding depends on its condition, the degree of damage, and the cost of maintaining it over the years.
• Red flags include cracking, warping, detached panels, ongoing water damage, wood rot, and pest infestation.
• Siding lifespan depends on many factors, including material type, installation, maintenance, and weather exposure.
• Minor siding damage can sometimes be repaired. If damage is widespread or the moisture-management system has failed, siding replacement can be a reasonable option.
• Spring, summer, and fall are all good seasons for siding installation in Minnesota. 

 

Do you want to renovate your property? If so, when to replace siding is one of the main questions you have in mind now. Siding acts as more than an ornament; it protects against harsh weather and pests. However, over time, siding degrades and may require immediate repair.

You might delay siding replacement because there is no obvious damage. But ignoring minor cracks or damage may lead to serious issues like pest infestation and high energy costs. Taking action at the right time can prevent a major problem.

The guide below highlights essential details about siding replacement, its signs, costs, and process, so you know when to replace siding on a house.

What is Siding and Why Does it Matter?

Siding is a protective material applied to the outside of a house or other comparable structure, such as a multifamily dwelling. Siding protects a home’s exterior from weather and other intrusions, such as insects.

Here is why it matters.

• Improve curb appeal: One of the most visible advantages of new siding is the increased curb appeal it provides. Siding comes in a wide range of styles, colors, and materials, letting you tailor your home’s look to your preferences and architectural style.
• Increase home value: Installing siding on your home can greatly raise its market value. New siding is a strong selling point, and prospective buyers often look for properties that require less upkeep.
• Increase energy efficiency: Siding is essential for your home’s insulation and energy efficiency. Insulated siding can help regulate your home’s temperature, reducing the need for excessive heating and cooling.
• Add protection and durability: High-quality siding protects your property from the elements, such as wind, rain, snow, and ultraviolet radiation. It acts as a barrier, keeping moisture from reaching your home’s structure and inflicting harm.
• Improve structural integrity: Siding can strengthen your home’s structural integrity by adding another layer of protection. Quality siding can withstand hail, debris, and other exterior stresses, thereby protecting your home’s structural components.
• Enhance indoor comfort: Siding can improve your home’s insulation and block drafts, making it more comfortable inside. Some siding materials can provide soundproofing, which helps reduce outside noise and create a calmer indoor environment.

How Long Does Siding Last?

How long siding lasts depends on the material used, product quality, the installation process, and local weather conditions. Some materials can last for many years.

Pay special attention to moisture exposure, temperature changes, freeze/thaw cycles, snow load, and weathering. Such factors may affect materials on the outside of your building and how they are installed.

Average Lifespan by Siding Type

• Vinyl siding: 20-40 years
• Wood siding: 20-40 years, depending on maintenance
• Aluminum siding: 20-40+ years
• Fiber cement: 30-50 years
• Stone veneer: varies by product and installation
• Stucco: 50+ years
• Brick siding: Several decades or longer

Factors Affecting Siding Lifespan

The following factors affect a siding material’s lifespan.

• Installation quality: Poor installation will significantly limit the life of any siding material, regardless of its durability. Proper flashing, sealing, and spacing are necessary for siding.
• Climate change: Siding suffers when exposed to harsh weather conditions. Areas with regular rain, hurricanes, snow, or intense sunlight require materials resistant to moisture, UV radiation, and thermal expansion.
• Maintenance: Regular inspection and prompt repairs can extend the life of any siding by several years. Wood requires staining or sealing every few years. Fiber cement benefits from being repainted every 7-15 years.
• Sun exposure: The sides of your home that face south or west receive more sunshine and weather exposure. Siding in these regions tends to fade faster and become more brittle. Using UV-resistant materials and applying protective coatings helps to mitigate this effect.

Signs to Replace Siding

Recognizing early signs of siding damage can save you time and money. Homeowners often ask how often they should replace siding. The answer depends on several factors, including the type of siding material and the extent of damage.

The following symptoms show that your siding needs professional inspection. But that doesn’t necessarily mean your whole exterior needs replacement.

1. Cracking, Warping, and Buckling

Cracks are one of the most evident symptoms of siding failure. Small cracks in one spot may be repairable, but extensive cracks across siding boards or cracked panels indicate the siding needs to be replaced. Cracked siding enables moisture into the walls, causing structural damage over time.

Warping and buckling are common when moisture seeps behind the material or aging siding expands and compresses excessively. If you see damaged siding throughout the exterior rather than in isolated areas, it is typically time to replace it rather than repair it.

2. Moisture Retention

Unwanted moisture is one of the most serious risks to a home’s siding and walls. Once moisture has become persistent, modest repairs will not prevent further harm. Full replacement helps to keep moisture from causing further structural damage.

Note that siding is not a totally waterproof system. The use of an appropriate water-resistive barrier and flashings behind the cladding will go a long way in dealing with moisture penetration through the exterior material.

3. Mold or Mildew Growth

Mold growth on siding is not just a cosmetic issue. Mold and mildew signal a persistent moisture problem. While surface mold can occasionally be removed, recurring mold indicates that moisture has penetrated deeper layers. Recurring mold or mildew warrants an inspection to identify the underlying moisture source and determine whether repairs or replacement are needed. 

4. Spongy Panels

Press softly against the siding. If it seems mushy or spongy, the material beneath has probably deteriorated. This is common with older siding, particularly wood, where water has been absorbed over time. Soft areas often indicate damage beyond the visible surface. This clearly indicates the siding needs to be replaced to prevent further degradation.

However, if rot or deterioration covers large portions of the wood siding, replacing the entire siding may be more practical than repairing every section. Isolated damage might only require replacing a few boards.

5. Signs of Water Damage

Siding issues can also show up inside the home. Water penetration from the exterior can show up as peeling paint, loose wallpaper, wall stains, or damp drywall. These internal issues indicate that the siding is no longer keeping moisture out.

When water penetrates the interior, it can damage insulation, framing, and even flooring. At this point, further repairs are dangerous and costly. Full siding replacement protects both the home’s exterior and interior.

6. Discoloration and UV Damage

Sun exposure causes siding to lose color over time. While minor fading is natural, excessive discoloration indicates that the siding has lost its protective coating. This is frequent with vinyl and wood siding that has outlived its useful life.

Extensive fading may indicate aging and affect curb appeal, but fading alone does not necessarily require replacement. 

7. Increased Energy Bills

Siding plays an important part in insulation. When siding deteriorates, holes and cracks allow air to flow freely into and out of the home. This makes the HVAC system work harder, resulting in higher utility and cooling expenditures.

8. Pest Infestation

Insect damage is another important concern. Termites, carpenter ants, and other pests are attracted to damaged siding, particularly wood. Holes, tunnels, and weakened siding boards let bugs move deeper into the walls.

When insect damage appears in several areas, repairs rarely address the underlying issue. Replacing siding helps to eliminate entrance points and protects the home from future infestations.

How to Choose Between Repair and Replacement

One major challenge is deciding whether your siding needs replacement or repair. Here’s how you can differentiate.

When to Repair Siding

• Less and limited damage to small areas
• Siding is new
• No obvious signs of water damage or retention
• Matching material is still available

When to Replace Siding

• Widespread damage
• High energy costs
• Obvious signs of water damage
• Aging siding
• Structural issues
• Pest infestation
• Increased repair costs

These factors explain when siding needs replacement and when repairs are no longer sufficient. Noticing these signs also highlights what to know when replacing siding to make better decisions.

Cost of Siding Replacement

The price of siding replacement depends on the material used, home size, installation requirements, the home’s exterior condition, and other factors. It is better not to rely on an average price; ask for an estimate based on your needs.

Siding Replacement Cost Based on Material and Finish

The following categories refer to budget levels and not specific prices. Prices will vary based on the product type, finishes, profiles, and installation needs.

Other Factors Affecting Replacement Cost

• Labor: Labor costs can account for 50% to 70% of overall siding replacement costs.

• Complexity of Home Design: The costs of siding increase depending on how complex your home’s design is.

• Removal of Old Siding: Removing existing siding can add to the project cost, depending on the number of siding layers, material type, disposal requirements, and condition of the underlying structure. 

Factors That Increase or Decrease Siding Replacement Costs

Several factors can affect the total project cost.

Factors that may raise costs:

• Large homes with more exterior wall surface area
• High-end, special, or customized siding products
• More complex architectural designs and hard-to-access building sections
• Increased need for demolition and disposal services
• Moisture problems, decayed sheathing, or structural work
• Additional need for insulation, flashing, trim, and drainage work
• Custom coloring, finishes, and non-standard siding profiles

Factors that may lower costs:

• Use of common and easily accessible siding products
• Simpler siding profiles and finishes
• Use of existing exterior design with minimal changes needed
• Combining several exterior remodeling projects into a single project
• Preventing small damage before it becomes more serious

Siding Replacement Options: Basic, Mid-Range, and High-End

The following replacement choices can be compared by budget, desired appearance, ease of maintenance, and performance specifications.

 

Steps to Prepare Your Home for Siding Replacement

The following are the major steps you must follow before the actual siding replacement process. 

1. Prune And Remove Shrubs and Trees

Plants or trees around your house may obstruct the siding installation process. If so, remove them by trimming them down. Mow the lawn too.

2. Keep the Outdoor Space Clean And Accessible

If you have gardening tools, potted plants, or patio furniture “in the way,” the siding installers may be hampered. Moving these items to another location that won’t interfere with the siding installers’ work will make the job easier.

3. Remove All Decor from the Wall

Once you remove and reinstall the siding, it may shake your interior walls. Strip any wall art that you have, like framed photos. Make sure to put it somewhere safe.

4. Clear the Driveway and Provide Contractor Access

Move vehicles out of the driveway and clear access to the areas where the installation crew will be working. This provides space for equipment, material delivery, and debris removal during the project.

5. Keep Better Communication

Discussion is key before starting the project. Talk with your contractor about when the job should begin and end, what to watch for in the yard, where you prefer parking, and whether work will be done on weekends. 

Step-by-Step Process for Siding Replacement

When your siding needs replacing, follow the steps below.

1. Assess Siding Condition

Examine your siding materials to see whether there are any signs of damage. Look out for symptoms like mold or warping. This step will help you determine the amount of siding material that needs to be replaced and select the appropriate siding material.

2. Know Your Budget

• Cost Estimation: Estimate the total cost involved in the project, including material cost, labor costs, and any extra fees.
• Cost-Benefit Analysis: Evaluate the long-term benefits of using superior siding materials compared to lower-cost materials.

3. Choose the Right Siding Material

When replacing your siding, the material choice matters. Some common choices include vinyl, fiber-cement, and wood. However, you should understand the advantages and disadvantages before deciding.

4. Hire an Experienced Siding Contractor

• Research: Look for reliable siding companies, such as Born Carpentry, with strong reviews and a solid track record.
• Quotes & Comparisons: Get several quotes to compare prices and service quality.
• Credentials and Insurance: Verify the licenses, insurance, and past projects of the contractors to ensure reliability.

5. Make a Plan for Installation

Work with your siding contractors to develop a workable plan for the job. This should include creating a schedule, identifying requirements, and addressing any potential issues.

6. Prepare Your Home for Installation

• Clear the Area: Remove any obstructions outside your home so the installation crew can work easily.
• Landscaping Protection: Protect your plants and landscaping to prevent damage during installation.
• Inform Your Neighbors: Let your neighbors know about the project to minimize disruptions.

7. Remove Old Siding

Carefully remove the siding in preparation for installing the new siding. This step will also include fixing any structural problems in the house before installing the siding.

8. Examine and Repair the Sheathing

• Thoroughly Inspect: Check the sheathing for any signs of damage or rot.
• Make Repairs: Repair any damaged portions to provide a sturdy surface for installing new siding.
• Moisture Barrier: Inspect and install or repair the appropriate water-resistive barrier to protect the siding from water damage.

9. Install New Siding

To ensure correct installation, follow the installation instructions for the selected siding material. This includes aligning panels, attaching them with suitable fasteners, and considering aspects such as corners, edges, and trim.

10. Final Inspection and Maintenance

• Quality Control: Perform an inspection to ensure that the installation process meets quality standards.
• Clean Up: Remove any debris and properly clean the work area.
• Maintenance Schedule: Plan for routine maintenance to maintain the condition of your newly installed siding.

When is the best time to replace siding?

No single season is ideal for every siding installation. Depending on weather conditions, material requirements, contractor schedules, and the condition of the house, spring, summer, and fall may all be good times for siding projects in Minnesota.

Spring 

• Optimal climate conditions guarantee a smooth installation process.
• The inspection after winter will reveal any damage not seen due to the presence of snow before.

Summer

Summer usually offers long daylight hours and plenty of time for outdoor renovation work.

• Longer daylight means faster productivity.
• Be aware of warm climates, since vinyl tends to expand significantly above 90°F; professional experts make cuts and openings accordingly.
• High demand for contractors can cause delays in scheduling and pricing.

Fall 

• Consistent temperatures (54° to 66°F) and dry air create clean, steady results.
• Protection is provided against freeze-thaw cycles and heavy snow.
• Scheduling flexibility is higher compared to summer, and prices tend to be lower.

Winter

Winter siding replacement is possible, but it requires proper planning and a material-based installation process.

• The slow season can improve scheduling and save approx. 10-20% on costs.
• Cold-rated materials and procedures, along with appropriate weather conditions, should be ensured.
• Certain paints/caulks are subject to temperature limitations; only skilled professionals can work with them.

Winter installation does not necessarily mean lower costs or the ability to install all siding in freezing conditions. Talk to your contractor about material requirements and weather conditions before scheduling.

Final Words

Knowing when to replace siding is critical for maintaining long-term value, increasing energy efficiency, and safeguarding your property. By carefully evaluating your current siding, selecting the appropriate materials, and working with skilled siding contractors, you can ensure a successful installation that improves your home’s protection, energy efficiency, and curb appeal.

If your siding is deteriorating, contact Born Carpentry for a custom quote for your Minnesota home.