3x4" Double A Offset Downspout Extension
Professional Grade Aluminum | 4" Offset | 25+ Colors | Nationwide Shipping Available
Trusted by GutterAll.com
Professional Gutter & Downspout Systems Since 2010
19759 SE Sunnyside Rd
Damascus, OR 97089
Nationwide & Local Delivery
sales@gutterall.com
(503) 496-7017
PROFESSIONAL 3x4" DOWNSPOUT OFFSET SYSTEM
Premium aluminum construction with 4-inch offset for commercial and residential applications
Save Big with Contractor Direct Pricing - Professional Quality for Everyone!
NATIONWIDE SHIPPING + LOCAL DAMASCUS DELIVERY

Professional 3x4" Double A Offset - 13" Height with 4" Offset Distance
Professional Installation Guide & Product Overview
Professional-Grade 3x4" Double A Offset for Enhanced Water Management
Optimize your commercial or residential gutter system with our premium 3x4" Double A Offset Downspout Extension, engineered for superior water flow capacity and professional performance. This heavy-duty 4-inch offset extension delivers enhanced water management while effectively directing water away from foundations and structures. The corrugated aluminum construction provides maximum strength and durability for demanding commercial applications.
Superior water flow for large roof areas
Corrugated design for maximum strength
Perfect clearance for walls and obstacles
Perfect match for any exterior design
Advanced Technical Specifications & Double A Design
Core Specifications
- Dimensions: 3" x 4" rectangular profile
- Offset Distance: 4 inches horizontal clearance
- Height: Approximately 13 inches total
- Material: Professional-grade aluminum
- Style: Double A Offset configuration
- Surface: Corrugated reinforcement design
- Compatibility: All standard 3x4" downspout systems
Double A Design Benefits
- Enhanced Flow: Superior water capacity vs round systems
- Professional Appearance: Clean, architectural lines
- Structural Integrity: Corrugated reinforcement
- Commercial Grade: Meets demanding applications
- Easy Installation: Standard connection methods
- Durability: Long-term weather resistance
- Maintenance-Free: Self-cleaning design
Professional Color Selection Chart
Standard Colors Available
30 Deg. White
Musket Brown
Black
- Most popular residential choices
- UV-stable coating technology
- Color-fast performance guarantee
- Available for immediate shipping
Extended Color Options
- 25+ professional finish options
- Custom color matching available
- Commercial color coordination
- Regional color preferences
- Architectural specification matching
- Contact for complete color chart
Note: Extended colors may require additional lead time
Professional Applications & Performance Benefits
Commercial Applications
- Large commercial buildings
- Industrial facilities and warehouses
- Multi-unit residential properties
- Institutional and government buildings
- Retail and office complexes
- Educational facilities
Perfect for: High-capacity water management systems
High-Capacity Residential
- Large roof areas requiring enhanced drainage
- Heavy rainfall regions
- Premium homes with architectural requirements
- Extended drainage system needs
- Foundation protection priorities
- Landscape preservation requirements
Perfect for: Luxury homes and demanding residential applications
Installation Scenarios
- Wall clearance requirements
- Obstacle navigation around structures
- Complex routing and water direction
- Professional drainage system integration
- Foundation protection installations
- Landscape and hardscape coordination
Perfect for: Complex installations requiring professional expertise
SAFETY & PROFESSIONAL INSTALLATION NOTICE
PROFESSIONAL INSTALLATION STRONGLY RECOMMENDED
Downspout offset installation requires working at height with proper safety equipment and knowledge of water flow dynamics. NEVER work on ladders or roofs without OSHA-approved fall protection. Professional contractors have proper equipment, insurance, and expertise for safe installation. Improper installation can cause water damage, foundation issues, and safety hazards. Follow all manufacturer specifications and local building codes.
Contractor Direct Pricing - Nationwide Shipping Available
Single Unit
Wholesale Pricing Available
Perfect for: Individual replacements and testing
Standard and custom colors available
10-Piece Contractor Pack
Save 30-45% Off Retail
Perfect for: Residential and small commercial projects
Most popular professional size
25-Piece Commercial
Up to 55% Savings
Perfect for: Commercial and large projects
Volume discount pricing
Custom Bulk Orders
Special Project Pricing
Perfect for: Large developments and distributors
Custom colors and specifications
Shipping Options & Availability
Local Damascus Delivery
- Same-day delivery available
- No shipping costs for local orders
- Personal consultation and support
- Installation coordination available
- Immediate technical assistance
Service Area: Damascus, OR and surrounding areas
Nationwide Shipping
- Fast shipping to all 50 states
- Professional packaging for safe transit
- Order tracking available nationwide
- Usually ready in 2-4 business days
- Bulk shipping discounts available
- Expedited shipping options
Coverage: All United States including Alaska and Hawaii
Professional 3x4" Offset Installation Guide
Follow these professional techniques for optimal 3x4" Double A offset performance and water management.
- Verify proper size compatibility with existing 3x4" downspout system
- Ensure correct offset alignment for wall clearance and water direction
- Secure all connection points with appropriate fasteners and sealants
- Confirm proper water flow direction away from foundation
- Test system with water flow to verify drainage effectiveness
- Inspect installation for proper alignment and secure connections
- Verify compliance with local building codes and manufacturer specifications
GutterAll Professional Performance Guarantee
Superior water management and professional performance guaranteed. Our premium 3x4" Double A Offset with corrugated aluminum construction provides the ultimate combination of capacity, strength, and durability for your most demanding commercial and residential projects. Trusted by contractors nationwide for decades of maintenance-free performance.
Nationwide Support & Local Damascus Service: (503) 496-7017
PROFESSIONAL 3x4" DOWNSPOUT OFFSET SYSTEM
Complete water management solution with enhanced capacity and professional performance
Enhanced 3x4" capacity
Professional aluminum construction
25+ color options
Nationwide shipping available
CONTACT FOR WHOLESALE PRICING - NATIONWIDE SHIPPING
3x4" Downspout Offset FAQ - All Objections Addressed
Why choose 3x4" over standard round downspouts?
3x4" rectangular downspouts provide significantly higher water capacity than round systems, making them ideal for large roof areas, commercial applications, and heavy rainfall regions. The rectangular profile offers superior flow characteristics, professional appearance, and enhanced structural integrity. They're the preferred choice for demanding applications requiring maximum water management capability.
What does "Double A Offset" mean and why is it important?
Double A Offset refers to the specific configuration that creates a 4-inch horizontal offset while maintaining proper water flow. This design allows downspouts to navigate around obstacles, clear walls, and direct water to desired locations while maintaining optimal drainage performance. The "Double A" configuration ensures smooth water flow through the offset without turbulence or backup.
Is the corrugated surface better than smooth aluminum?
Yes, the corrugated surface provides superior structural strength, enhanced rigidity, and improved durability compared to smooth aluminum. The corrugations act as reinforcement ribs, preventing denting and maintaining shape under stress. This design also provides better water flow characteristics and professional appearance while requiring minimal maintenance.
How do I choose the right color for my project?
Consider your existing gutter system, roof color, and exterior trim when selecting colors. White (30 Deg.) is most popular for residential applications, Musket Brown complements earth-tone exteriors, and Black provides modern contrast. We offer 25+ colors total, including custom matching services. Contact us with photos of your exterior for personalized color recommendations.
Can I install this myself or do I need a professional?
Professional installation is strongly recommended for safety and optimal performance. Downspout work requires working at height, proper water flow calculations, and knowledge of building codes. Professional contractors have the safety equipment, insurance, and expertise for proper installation. Improper installation can cause water damage, foundation issues, and safety hazards.
How many offset pieces do I need for my project?
Most installations require one offset per downspout location where clearance is needed. Count the number of downspouts requiring wall clearance or obstacle navigation. For complex installations with multiple direction changes, you may need additional pieces. Our technical team can review your project plans and provide specific quantity recommendations.
What's the difference between local delivery and nationwide shipping?
Local Damascus delivery offers same-day service, no shipping costs, personal consultation, and immediate technical support. Nationwide shipping provides professional packaging, tracking, and delivery to all 50 states within 2-4 business days. Both options include the same contractor direct pricing and technical support - choose based on your location and timeline needs.
Will this work with my existing 3x4" downspout system?
Yes, our 3x4" Double A Offset is designed to integrate seamlessly with all standard 3x4" rectangular downspout systems. The connections are standardized across the industry, ensuring proper fit and performance. If you have questions about compatibility with specific systems or custom installations, our technical team can verify compatibility.
What's included with contractor direct pricing?
Contractor direct pricing includes wholesale rates typically 30-55% off retail, technical support for installation guidance, project consultation, and access to bulk pricing tiers. You also get priority processing, color matching assistance when available, and ongoing project support. No contractor license required - everyone gets professional pricing and support.
How long will this aluminum offset last?
Professional-grade aluminum construction with corrugated reinforcement provides decades of maintenance-free performance. The UV-stable coating resists fading and weathering, while the aluminum won't rust or corrode. With proper installation, you can expect 20-30+ years of reliable service, making it an excellent long-term investment for your property.
Can you provide technical support for my project?
Yes, our experienced team provides comprehensive technical support including installation guidance, quantity calculations, color selection assistance, and compatibility verification. We can review project plans, recommend appropriate components, and connect you with qualified local contractors when needed. Call (503) 496-7017 for expert consultation and project support.