Summer Prep 101: Protecting Your Mobile Home Foundation

July 18, 2025

Summer Prep 101: Protecting Your Mobile Home Foundation

As summer sets in across Michigan, most mobile homeowners focus on staying cool, managing utility bills, and keeping up with landscaping. But one of the most important—and often overlooked—parts of summer home maintenance is protecting your home’s foundation. While it may be out of sight, your foundation is the base upon which your mobile home’s safety, comfort, and structure depend. And unfortunately, summer weather can quietly take a serious toll.

Michigan summers are a mix of extreme heat, unexpected downpours, and fluctuating humidity. While these conditions may seem harmless on the surface, they can trigger significant changes beneath your home. High temperatures dry out the soil, causing it to shrink and shift. On the other hand, sudden summer storms can saturate the ground, leading to erosion, soft spots, or even washouts around the support piers. These changes in ground stability can result in subtle shifts—or dramatic sinking—beneath your mobile home.

That’s why summer is the perfect time to check in on your foundation and make sure your home is ready for the months ahead. Dry, warm weather allows for easier inspection and faster repairs, making now the ideal window for catching problems early and extending the life of your home’s base.

How Summer Conditions Impact Mobile Home Foundations

Summer may seem like a calm season for your home’s foundation—but in reality, it can be one of the most stressful times of year for your mobile home’s structural base. Michigan’s unpredictable summer climate can cause a range of subtle, ongoing shifts in the soil and environment that affect how well your foundation supports your home. Without proper attention, these seasonal changes can silently undermine your home’s stability, setting the stage for long-term damage.

Soil Expansion and Contraction

During extended dry spells, the soil beneath and around your mobile home can shrink and compact, especially if it’s made up of clay or loamy material. When this happens, the ground pulls away from your foundation piers and blocks, creating small voids or gaps in support. Then, after a heavy rain or a stretch of humidity, that same soil rapidly expands, shifting the load and causing your home to move unevenly.

This constant cycle of expansion and contraction leads to:

  • Cracked interior walls
  • Sloped or sagging floors
  • Doors and windows that no longer align or latch properly

Over time, it can also destabilize blocking systems and cause piers to lean or sink, threatening the entire structure’s balance.

Water Pooling from Summer Storms

Michigan summers often bring heavy downpours, sometimes in short but intense bursts. If your mobile home lacks proper drainage—like extended downspouts or sloped grading—this rain can pool around the base of your home, seeping into the soil and softening it dramatically.

Pooling water may cause:

  • Erosion around footings or piers
  • Undermined pads or skirting systems
  • Mold and mildew buildup in the crawl space
  • Wood rot or corrosion in supports

Persistent moisture can also lead to frost heaving issues later on, so summer water damage doesn’t just affect the current season—it sets the stage for winter problems too.

Temperature-Related Material Shifts

Extreme heat can affect not just the soil, but the structural components of your home’s foundation. Tie-down straps, anchor systems, and blocking materials can expand, contract, or loosen over time due to temperature fluctuations. Metal parts may warp or shift, while wood blocks or pads can dry out and crack.

These changes weaken your mobile home’s ability to resist shifting forces, especially during high winds or storms. Over time, your home becomes less anchored, and mobile home stability is compromised.

The Role of Poor Drainage and Site Grading

One of the most overlooked factors in foundation repair is the land around your home. Poor site grading—where the land slopes toward the home instead of away—funnels rainwater directly beneath the skirting. Combine that with clogged gutters or misaligned downspouts, and you’re creating the perfect environment for moisture intrusion and structural erosion.

Proper grading and drainage are key parts of summer home maintenance and play a major role in preventing foundation problems before they start.

Summer Home Maintenance Tips to Protect the Foundation

When it comes to protecting your mobile home foundation, prevention is everything—especially during Michigan’s unpredictable summer months. While it might be tempting to focus solely on interior upgrades or cooling systems, ignoring your home’s structural base could lead to problems that cost far more down the line. With a few targeted tasks and regular check-ins, you can reduce the risk of shifting, erosion, and water damage before they compromise your home. 

Check and Clear Gutters and Downspouts

Clogged gutters and disconnected downspouts are a top contributor to water damage near mobile home foundations. When heavy summer rain has nowhere to go, it spills over the edges of your roof and pools directly at the base of your home—softening the soil, washing out pads, and increasing the risk of erosion or mold.

What to do:

  • Remove leaves, debris, and buildup from gutters at least twice per season.
  • Make sure downspouts extend at least 3–5 feet away from the skirting.
  • Add splash blocks or gutter extenders if needed to redirect flow.

This simple step alone can significantly reduce moisture problems near your foundation.

Inspect and Repair Damaged Skirting

Your home’s skirting is the first line of defense against moisture intrusion, pests, and structural decay. Cracks, gaps, or missing panels can invite rodents, trap water vapor, or allow summer storm runoff to seep directly into your crawlspace.

Look for:

  • Bulging, cracked, or misaligned skirting
  • Moisture stains or soft spots
  • Missing or broken vent covers

Replacing or sealing damaged sections protects your insulation, helps maintain crawlspace airflow, and keeps the foundation area dry and stable.

Ensure Proper Grading Around the Home

The land surrounding your mobile home should slope gently away from the structure to encourage water runoff. If the soil slopes inward—or has settled over time to form low spots—rainwater will collect around the foundation instead of draining away.

Maintenance tip:

  • Re-grade areas where soil has settled toward the home
  • Use gravel or fill dirt to build a slight slope away from the base
  • Avoid piling mulch or landscaping too high against the skirting

Proper grading is one of the most effective ways to avoid costly foundation repair later.

Tighten or Reset Tie-Downs and Anchors

Summer heat and shifting soil can cause tie-down straps and anchor systems to loosen—especially after spring thaw or heavy storms. Loose anchoring doesn’t just put your home at risk during high winds; it also allows for uneven settling, which can damage your structure over time.

What to check:

  • Rusted or frayed straps
  • Anchor rods pulling up from the ground
  • Uneven tension or sagging components

If you’re unsure how to safely inspect or adjust your anchors, this is a great time to call in a mobile home foundation expert to assess your system and make corrections before the next storm hits.

Maintain Ventilation in the Crawlspace

Summer humidity can wreak havoc under your home if airflow is poor. Without proper ventilation, excess moisture can collect in the crawlspace, encouraging wood rot, insulation breakdown, and mold growth—all of which jeopardize your mobile home stability.

To prevent this:

  • Ensure all vent screens are intact and unobstructed
  • Add additional vents if air circulation is inadequate
  • Use vapor barriers over bare ground to reduce moisture

Keeping your crawlspace dry doesn’t just protect the foundation—it also improves indoor air quality and keeps pests away.

Secure Your Foundation Before Summer Stress Sets In

As Michigan’s summer heats up, your mobile home foundation is quietly doing some of the hardest work—supporting your home through swelling soil, sudden downpours, and temperature swings. Ignoring these seasonal stressors can lead to shifting supports, structural damage, and major repair bills down the road.

That’s why proactive summer home maintenance is so essential. A well-maintained foundation protects more than just the floor beneath your feet—it safeguards your home’s long-term comfort, value, and safety. From blocked gutters and poor grading to cracked skirting and sunken piers, small problems have a way of growing fast when summer storms and dry spells hit hard.

Call Homesaver Contracting Company for Trusted Foundation Repair

Don’t let summer heat or heavy rain put your mobile home at risk. Whether you need a simple inspection or full foundation stabilization, Homesaver Contracting Company delivers expert solutions tailored to the needs of mobile and manufactured homes across Michigan. We’re here to make sure your home stays level, secure, and worry-free all season long.

📍 Address: 680 Quatro Lane, Addison Township, MI 48367
📞 Phone: 1 (586) 610-8608
✉️ Email: homesavercontractingco@gmail.com
🌐 Website: www.homesaverremodeling.com