📞 (503) 492-1600
19759 SE Sunnyside Rd, Damascus, OR 97089
Monday - Friday: 7:00 AM - 4:00 PM
⚠️ IS WATER DAMAGING YOUR FOUNDATION?
Foundation repairs average $10,000-$50,000. Basement flooding causes $8,000-$12,000 in damage.
A 7-foot downspout extension solves this problem for under $30.
Protect your home's most expensive asset - your foundation.
✓ SHIPS NATIONWIDE - IN STOCK
7 Foot Sections: Perfect length for foundation protection
Three Professional Sizes: 2x3" • 3x4" • 4x5" - Match Any Downspout
30+ Colors Available: Perfect match for your home
Order online for fast delivery nationwide
7 Foot Professional Aluminum Downspout Extension | Foundation Protection System
Prevents Basement Flooding • Stops Foundation Cracks • Eliminates Soil Erosion • 30+ Colors • 3 Sizes
The $50,000 Problem Every Homeowner Must Solve
Your downspouts dump thousands of gallons of water directly against your foundation every rainfall. Without a proper 7-foot extension, this water pools around your foundation perimeter, creating hydrostatic pressure that causes:
- Foundation Cracks & Settling: Repair costs average $10,000-$50,000
- Basement Flooding: Cleanup and waterproofing costs $8,000-$12,000
- Soil Erosion: Destroys landscaping, creates dangerous voids under concrete
- Mold & Mildew: Health hazards, reduced home value, insurance claims
- Structural Damage: Wall cracks, floor settling, door/window misalignment
The Solution: Professional 7-foot aluminum downspout extensions redirect water away from your foundation for under $30 per downspout. Protect your home's most valuable asset before expensive damage occurs.
Choose Your Correct Size - Complete Compatibility Guide
2x3" Downspout Extension
Actual Size: 3 1/8" W × 2 1/4" H
Fits: 4" and 5" Gutters
Use: Standard Residential Homes
3x4" Extension ⭐ MOST POPULAR
Actual Size: 4 1/8" W × 2 7/8" H
Fits: 5" and 6" Gutters
Use: Residential & Light Commercial
4x5" Downspout Extension
Actual Size: 5 1/4" W × 3 13/16" H
Fits: 6" and 7" Gutters
Use: High-Capacity Commercial
30+ Professional Colors - Perfect Match Guarantee
Match your existing gutters, downspouts, fascia, or home exterior perfectly. Professional painted finish resists UV fading.
Additional colors available - Contact us for custom color matching
Why 7 Feet Is The Professional Standard For Foundation Protection
✓ Prevents Foundation Damage
Redirects water 7 feet away from foundation walls, eliminating hydrostatic pressure that causes cracks and settling. Saves $10,000-$50,000 in foundation repair costs. Professional contractors' minimum recommended distance.
✓ Stops Basement Flooding
Eliminates water seepage through basement walls by maintaining proper drainage distance. Prevents $8,000-$12,000 in cleanup and waterproofing costs. Protects finished basements from water damage.
✓ Eliminates Soil Erosion
Prevents concentrated water flow from washing away soil around foundation. Protects landscaping, eliminates voids under sidewalks and driveways. Maintains proper grading for long-term property protection.
✓ Perfect Size Selection
Three professional sizes ensure perfect fit: 2x3" for residential 4-5" gutters, 3x4" most popular for 5-6" gutters, 4x5" commercial grade for 6-7" gutters. Proper sizing prevents overflow and backup.
✓ Superior Aluminum Construction
Professional 0.019" corrugated aluminum withstands snow loads, won't crack in freezing temperatures, resists UV fading. Outlasts plastic extensions by decades. Matches existing metal downspouts perfectly.
✓ 30+ Color Match Options
Match any home exterior with 30+ professional colors including White, Black, Brown, Bronze tones, and specialty finishes. Painted finish maintains appearance for decades. Enhances curb appeal and property value.
Professional 7-Foot Aluminum Downspout Extensions - The Foundation Protection Standard
Professional contractors and foundation experts unanimously agree: proper downspout extensions must direct water at least 5-7 feet away from your foundation perimeter to prevent structural damage. Our professional-grade 7-foot aluminum downspout extensions meet and exceed this critical standard, providing maximum protection for your home's most expensive asset - the foundation. Every year, homeowners spend billions on foundation repairs, basement waterproofing, and structural remediation that could have been prevented with proper water management. A single 7-foot downspout extension costs under $30 but prevents $10,000-$50,000 in foundation damage.
Available in three professional sizes (2x3", 3x4", and 4x5"), these corrugated aluminum extensions match any residential or commercial downspout configuration. The 2x3" size serves standard residential 4" and 5" gutter systems, the 3x4" is our most popular option for 5" and 6" gutters with superior water handling capacity, and the 4x5" commercial-grade extension handles maximum flow from 6" and 7" gutter systems. Manufactured from premium 0.019" aluminum with professional corrugated design, these extensions maintain structural integrity under heavy water flow, snow loads, and debris while plastic alternatives crack and fail. The corrugated profile provides superior strength compared to smooth aluminum, preventing collapse under snow loads and maintaining proper water flow direction.
Our comprehensive selection of 30+ professional colors ensures perfect aesthetic matching with your existing gutters, downspouts, fascia, and home exterior. Popular colors include White, Black, Brown, Musket Brown, Beaver Brown, Clay, Dark Bronze, Light Bronze, Royal Brown, and specialty finishes that complement any architectural style. The painted aluminum finish resists UV fading and maintains appearance for decades without the peeling and chalking common with plastic extensions. Professional contractors prefer aluminum extensions for their reliability, longevity, and seamless integration with existing metal gutter systems.
Installation is straightforward for both professionals and experienced homeowners: select the matching size extension (2x3, 3x4, or 4x5), slide the crimped end into your existing downspout outlet, position away from foundation at slight downward grade, and secure with landscape stakes or aluminum straps. The 7-foot length ships nationwide in a single piece, eliminating joints that can separate or leak. This professional solution protects your foundation, prevents basement flooding, eliminates soil erosion, and safeguards your property investment for decades. Order online today for fast nationwide shipping and protect your home before expensive water damage occurs.
Complete Technical Specifications
Frequently Asked Questions
Why do I need a 7-foot downspout extension?
A 7-foot downspout extension redirects rainwater at least 7 feet away from your foundation, preventing basement flooding, foundation cracks, and soil erosion. This length is critical for properties with slopes toward the foundation, heavy clay soils, or high water tables. Professional contractors recommend 5-7 feet minimum to protect structural integrity.
What size downspout extension do I need for my gutters?
Match your downspout size: 2x3" extensions fit 4" and 5" gutters (standard residential), 3x4" fits 5" and 6" gutters (most popular, handles more water), and 4x5" fits 6" and 7" gutters (commercial grade, maximum capacity). Proper sizing ensures efficient water flow and prevents overflow.
How does a downspout extension prevent foundation damage?
Downspout extensions carry water away from your foundation perimeter, preventing hydrostatic pressure buildup that causes foundation cracks, basement leaks, and structural settling. By directing water 7+ feet away, you protect against the $10,000-50,000 average cost of foundation repairs and basement waterproofing.
Are aluminum downspout extensions better than plastic?
Yes. Professional-grade 0.019" aluminum extensions offer superior UV resistance, maintain shape under snow loads, won't crack in freezing temperatures, and match your existing metal downspouts. Corrugated aluminum provides structural strength that flexible plastic cannot match, ensuring decades of reliable drainage performance.
Can I bury a 7-foot downspout extension?
These extensions can be surface-mounted or connected to underground drainage systems. For surface installation, place on grade and secure with stakes. For buried drainage, connect to solid corrugated pipe leading to a dry well or storm drain. Professional contractors often use surface extensions for easy maintenance and inspection.
What colors are available for downspout extensions?
We offer 30+ professional colors including White, Black, Brown, Musket Brown, Beaver Brown, Clay, Dark Bronze, Light Bronze, Royal Brown, Almond, Buckskin Brown, Colonial Gray, and more. Match your existing gutters, downspouts, and home exterior perfectly for seamless curb appeal.
How do I install a 7-foot aluminum downspout extension?
Installation is simple: 1) Measure existing downspout (2x3, 3x4, or 4x5), 2) Select matching size extension in your color, 3) Crimp end slides directly into existing downspout outlet, 4) Position extension away from foundation at slight downward slope, 5) Secure with aluminum straps or landscape stakes. No special tools required.
Will a 7-foot extension solve my basement flooding problems?
In most cases, yes. Basement flooding caused by inadequate water drainage away from the foundation is solved by proper downspout extensions. The 7-foot length ensures water reaches safe distance from foundation walls, preventing seepage through basement walls. This simple solution saves thousands versus interior waterproofing systems.
Protect Your Foundation Today - Order Online
Professional 7-foot aluminum downspout extensions ship nationwide
📞 Call: (503) 492-1600
19759 SE Sunnyside Rd, Damascus, OR 97089
Monday - Friday: 7:00 AM - 4:00 PM PST