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🏡 Exterior Inspection - What We Check

Comprehensive InterNACHI-Certified Exterior Inspection Standards

InterNACHI Standards of Practice

Our exterior inspections follow InterNACHI Standards of Practice, requiring thorough evaluation of siding, trim, windows, doors, grading, drainage, and all exterior components. We identify defects, moisture intrusion risks, and maintenance needs that affect your home's protection and energy efficiency.

What We Inspect on Your Home's Exterior

Siding & Cladding

  • Siding material type and overall condition
  • Cracks, damage, or deterioration
  • Proper installation and fastening
  • Missing or damaged siding sections
  • Paint or stain condition
  • Rot, decay, or insect damage
  • Clearance from ground (6" minimum)
  • Caulking and sealant condition

Windows

  • Window condition and operation
  • Glass condition and cracks
  • Frame rot, decay, or damage
  • Weatherstripping and seals
  • Caulking around window frames
  • Screens and storm windows
  • Hardware and locking mechanisms
  • Signs of moisture infiltration

Doors & Entryways

  • Entry door condition and operation
  • Storm/screen door functionality
  • Weatherstripping and thresholds
  • Door frames and trim condition
  • Hardware, locks, and deadbolts
  • Overhead garage door operation
  • Garage door safety features
  • Proper sealing and insulation

Trim, Fascia & Soffits

  • Trim boards and corner boards
  • Fascia condition and attachment
  • Soffit condition and ventilation
  • Rot, decay, or damage
  • Paint or finish condition
  • Proper installation and flashing
  • Evidence of pest intrusion

Grading & Drainage

  • Ground slope away from foundation
  • Proper grading (6" drop in 10 feet)
  • Water pooling near foundation
  • Downspout extensions and discharge
  • Surface water management
  • Erosion or settlement issues
  • Window wells and drainage
  • Walkway and patio slopes

Porches, Steps & Railings

  • Porch structure and attachment
  • Stoop and step condition
  • Railing height and stability
  • Concrete cracks and settlement
  • Rot in wood components
  • Proper handrails for safety
  • Ice and water drainage

Common Exterior Issues in Minnesota

Vinyl Siding Cracks

Minnesota's temperature extremes cause vinyl siding to crack, warp, or buckle. We identify damaged sections, improper installation, and areas requiring replacement to prevent moisture intrusion.

Poor Grading & Drainage

Improper grading allows water to pool against foundations, causing moisture problems, foundation damage, and basement leaks. We assess slopes and drainage patterns.

Window Seal Failure

Failed window seals cause fogging between panes, reduced insulation value, and condensation. Common in older windows, particularly in harsh Minnesota climate.

Wood Rot & Decay

Trim, fascia, and siding near ground contact or areas with poor drainage develop rot. We probe suspect areas and identify moisture sources requiring correction.

Failed Caulking & Sealants

Cracked, missing, or deteriorated caulk around windows, doors, and penetrations allows water infiltration, air leaks, and pest entry. Regular maintenance is essential.

Inadequate Ground Clearance

Siding too close to ground (less than 6") allows moisture wicking, rot, insect damage, and structural issues. Common where landscaping has been added over time.

🚩 Critical Red Flags We Look For

  • Water Pooling at Foundation: Causes basement leaks, foundation damage, and moisture problems
  • Extensive Wood Rot: Structural damage requiring immediate repair or replacement
  • Missing or Damaged Flashing: Allows water intrusion behind siding and into walls
  • Negative Grading: Soil slopes toward house instead of away
  • Severely Cracked or Settled Concrete: Trip hazards and drainage problems
  • Missing Downspout Extensions: Water discharges directly at foundation
  • Siding at Ground Level: No clearance for moisture protection
  • Large Stucco or Masonry Cracks: Potential structural movement or water entry

Exterior Maintenance Tips for Minnesota Homeowners

  • Inspect Siding Annually: Look for cracks, damage, and areas needing caulking or paint
  • Maintain Proper Grading: Ensure soil slopes away from foundation at all sides
  • Clean and Extend Downspouts: Discharge water at least 6 feet from foundation
  • Re-caulk Every 3-5 Years: Seal around windows, doors, and penetrations
  • Trim Vegetation: Keep plants 12-18 inches from siding to allow air circulation
  • Power Wash Carefully: Clean siding annually but avoid high pressure that damages materials
  • Repaint Wood Trim: Protect wood trim and siding with fresh paint every 5-7 years
  • Fix Problems Promptly: Small repairs prevent costly water damage and structural issues

Frequently Asked Questions

How important is proper grading around my home?
Extremely important. Proper grading (soil sloping away from the foundation) is your first line of defense against basement leaks, foundation damage, and moisture problems. Minimum slope should be 6 inches drop over 10 feet away from the house.
What siding clearance is required from the ground?
Building codes require minimum 6-inch clearance between siding and soil (8 inches for wood siding). This prevents moisture wicking, rot, insect damage, and structural problems. Where clearance is insufficient, grading should be lowered or siding raised.
Can you test windows for proper operation?
Yes, we test a representative number of windows for operation, proper locking, and obvious defects. We identify broken glass, failed seals (fogging), damaged frames, and hardware issues. All accessible windows are visually inspected.
What causes vinyl siding to crack or warp?
Minnesota's extreme temperature swings cause vinyl expansion and contraction. Improper installation (fastened too tightly, insufficient expansion gaps) combined with temperature stress leads to cracking, warping, and buckling. Quality installation and materials are essential.
How often should exterior caulking be replaced?
Exterior caulk should be inspected annually and typically requires replacement every 3-5 years in Minnesota's climate. Failed caulk allows water infiltration, air leaks, and pest entry. High-quality exterior-grade caulk lasts longer than cheaper products.

Serving Winthrop & Surrounding Communities

Winthrop, MN
Gaylord, MN
Lafayette, MN
New Ulm, MN
Gibbon, MN
Fairfax, MN
Sleepy Eye, MN
Springfield, MN
Glencoe, MN
Hutchinson, MN
Arlington, MN
Green Isle, MN
Brownton, MN
Stewart, MN
Bird Island, MN

Schedule Your Professional Exterior Inspection Today

InterNACHI-certified inspector serving Winthrop and surrounding areas

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