2×3 Professional Aluminum Rectangular Downspout
Industry-Standard 2″ x 3″ | 6 Sq In Flow Capacity | Contractor Packs Available | 25+ Designer Colors | Damascus, OR Local Pickup
The Gutter Installer’s Standard DownspoutProfessional-Grade Quality, Contractor Pricing
The 2×3 rectangular downspout is the industry-standard profile used by gutter installers, general contractors, and roofing professionals across residential and light commercial applications. This aluminum downspout combines the universal 2×3-inch rectangular dimensions that work with standard 5-inch and 6-inch K-style gutters, a 6-square-inch flow capacity rated for roof areas up to 600 square feet, and professional-grade aluminum construction with weather-resistant baked enamel finish. GutterAll stocks 2×3 rectangular downspouts in over 25 designer colors, offers bulk contractor packs (Box of 10), and provides same-day local pickup at our Damascus, Oregon warehouse for contractors throughout the Portland metro area and beyond.
2″ x 3″ Rectangular | 6 Sq In Flow | Premium Aluminum | 25+ Colors | Contractor Packs | Local Pickup Available | Ships Nationwide
Key Benefits at a Glance
Industry-Standard 2×3 Profile
Compatible with all standard 5-inch and 6-inch K-style gutters and most commercial systemsno adapter fittings or modifications needed on residential or commercial projects.
6 Square Inch Flow Capacity
Handles water from roof areas up to 600 square feet under normal rainfall conditionsprofessional-grade capacity for both residential and light commercial applications.
25+ Designer Colors
Match any home exterior or architectural style with premium color options from traditional whites and bronzes to modern grays and specialty finishes like Rustic Copper and Galvalume Plus.
Contractor Packs & Local Pickup
Buy by the box (10 sections per pack) with contractor pricing. Same-day pickup at Damascus, Oregon warehouse or nationwide shippingflexible fulfillment for job site needs.
The Professional Choice for Residential and Commercial Gutter Installation
Gutter installers depend on the 2×3 rectangular aluminum downspout as the foundation product for new construction, renovation, and gutter replacement projects. The 2×3 rectangular downspout, also known in the industry as a 2×3 rectangular gutter outlet, rectangular downspout section, and standard aluminum downspout, is the universal profile that adapts to virtually every residential and light commercial gutter system. With a 2-inch-wide by 3-inch-tall rectangular cross-section and 6 square inches of flow capacity, the 2×3 downspout is rated to safely drain water from roof areas up to 600 square feet under normal rainfall conditionscovering the vast majority of single-family residential applications.
The aluminum construction resists corrosion and rust, remains lightweight for easy installation and handling, and is finished with weather-resistant baked enamel paint that maintains its appearance through seasons of rain, snow, and UV exposure. Available in over 25 designer colors including traditional options like white, black, bronze, and gray, plus specialty finishes like Rustic Copper, Solid Copper, and Galvalume Plus, the 2×3 downspout accommodates virtually any exterior color scheme or architectural style.
GutterAll in Damascus, Oregon supplies professional gutter installation contractors, general contractors, and building supply dealers with 2×3 rectangular downspouts in both individual sections and contractor packs. Contractor packs (Box of 10) offer volume pricing for multi-home projects and commercial installations. Local pickup at our Damascus warehouse provides same-day availability for contractors in the Portland metro area. Nationwide shipping is available for projects outside the local service area.
The industry-standard downspout for professional gutter installation and renovation.
Add to cartships fast from Damascus, OR. Contractor packs: [email protected]
Why Gutter Installers Choose the 2×3 Rectangular Downspout
The 2×3 rectangular downspout has become the industry standard because it solves the universal challenge of gutter system drainage: it is compatible with every standard residential gutter profile (5-inch and 6-inch K-style gutters are the most common), fits directly into outlet adapters without requiring custom fittings or modifications, is lightweight enough for one-person installation yet durable enough for commercial applications, and comes in finishes and colors that match virtually any home exterior or architectural style. Gutter installers who specify 2×3 rectangular downspouts know their system will perform reliably, their customers will have replacement sections available for decades, and their company’s reputation for professional-quality work will be supported by a product that meets industry standards.
Gutter Installer ApplicationsWhen to Specify 2×3 Downspouts
The 2×3 rectangular downspout is the correct choice for five primary gutter installation scenarios where industry-standard profile and universal compatibility are required:
Installer Insight: Specifying 2×3 rectangular downspouts protects your reputation by ensuring your installation uses industry-standard components. Customers have replacement parts available for decades, your work is compatible with future maintenance by other contractors, and your company is known for professional-standard installations that meet industry norms.
Industry-Standard 2×3 Rectangular ProfileThe Universal Gutter Downspout
The 2×3 rectangular downspout is the standard profile adopted by gutter manufacturers, gutter installers, and building code references across the industry. When gutter system designers specify “standard rectangular downspout,” they mean 2 inches wide by 3 inches tall. This profile is compatible with outlet adapters manufactured for 5-inch and 6-inch K-style gutters (the most common residential profile) and with many commercial gutter systems. Because the 2×3 profile is universal, gutter installers can stock one downspout profile for virtually all their projects, customers can find replacement parts decades after installation, and properties remain serviceable by any contractor.
6 Square Inch Flow CapacityProfessional-Grade Drainage for Residential and Commercial
Flow capacity is the amount of water (measured in square inches of cross-sectional area) that a downspout can safely handle. The 2×3 rectangular downspout has a 6 square inch flow capacity, which is rated to drain water from roof areas up to 600 square feet under normal rainfall conditions. This capacity covers the vast majority of single-family residential applications (typical home roof areas range from 1,500 to 3,000 square feet, served by multiple downspout locations). For commercial or larger residential applications, multiple downspouts or multiple gutter lines are used to maintain the same drainage performance and code compliance.
Premium Aluminum with Weather-Resistant Baked Enamel Finish
Aluminum is the material of choice for downspout construction because it is naturally rust-resistant (unlike steel, which requires galvanizing), is lightweight for easy installation, and maintains its structural integrity through decades of weather exposure. The weather-resistant baked enamel finish adds a protective layer that resists UV degradation, moisture penetration, and color fading. This finish is applied at the factory under controlled conditions, providing consistent quality and longevity that exceeds field-painted alternatives.
25+ Designer ColorsMatch Any Exterior or Architectural Style
The 2×3 rectangular downspout is available in over 25 designer color options including traditional neutrals (whites, grays, blacks), warm earth tones (bronzes, browns, tans), specialty finishes (Rustic Copper, Solid Copper, Galvalume Plus), and modern accent colors. This extensive color palette enables gutter installers and property owners to match downspout color to virtually any home exterior, roof color, or architectural stylefrom historic preservation projects to contemporary new construction.
Downspout Profile ComparisonChoosing the Right Rectangular Downspout
2×3 Rectangular (This Product)
Industry-standard profile for residential and light commercial. 6 square inch flow capacity. Compatible with standard 5″ and 6″ K-style gutters. Universal gutter compatibility.
Best for: New construction, renovations, gutter replacement, any project requiring industry-standard components
3×4 Rectangular
Larger profile with 12 square inch flow capacity. Handles roof areas up to 1200 square feet. Used in larger commercial or multi-story applications.
Best for: Large commercial buildings, multi-story structures, high-volume drainage applications
K-Style (Half-Round)
Curved appearance matching K-style gutters. Lower flow capacity than rectangular. Primarily aesthetic choice for traditional aesthetics.
Best for: Properties where curved downspout aesthetic matches K-style gutter profile
Contractor Guidance: The 2×3 rectangular downspout is the default specification for gutter installations where the property has standard 5″ or 6″ K-style gutters. It offers the best combination of universal compatibility, professional appearance, industry standardization, and availability. Specify larger profiles only when the single downspout location would serve a roof area larger than 600 square feet.
The industry-standard downspout profilein over 25 designer colors.
Add to cart now. Ships from Damascus, OR. Contractor packs available: [email protected]
Key Features and Gutter Installer Benefits
The 2×3 professional aluminum rectangular downspoutalso known as rectangular gutter outlet, standard aluminum downspout, and industry-standard downspout profileis the foundation product that gutter installers and roofing contractors specify for residential and light commercial gutter systems. The 2×3 rectangular profile, 6 square inch flow capacity, premium aluminum construction, and 25+ designer color options make this product the standard choice for new construction, gutter replacement, and renovation projects across residential and commercial applications. GutterAll in Damascus, Oregon stocks 2×3 rectangular downspouts in individual sections and contractor packs, offers same-day local pickup for contractors in the Portland metro area, and ships nationwide to projects outside the local service area. Contact [email protected] for contractor account pricing, volume discounts, or to request color samples. Monday through Friday 7am to 4pm, Saturday 8am to 2pm PST.
Why Gutter Installers and Contractors Specify 2×3 Rectangular Downspouts:
- Industry-Standard Profile: 2×3 rectangular is the universal downspout profile recognized across the gutter industryevery contractor knows this profile
- Universal Gutter Compatibility: Compatible with all standard 5″ and 6″ K-style gutters and most commercial gutter systemsno custom adapters needed
- 6 Square Inch Flow Capacity: Professional-grade capacity handles roof areas up to 600 square feetcovers majority of residential applications
- Premium Aluminum Construction: Rust-resistant, lightweight, durable material that maintains structural integrity for decades
- Baked Enamel Weather Finish: Factory-applied finish resists UV degradation, moisture penetration, and color fading
- 25+ Designer Colors: Extensive color palette enables exact color matching to home exteriors and architectural styles
- Professional Appearance: Industry-standard profile and color options support professional reputation and customer confidence
- Contractor Packs Available: Box of 10 sections with volume pricing for multi-home projects and efficient ordering
- Multiple Section Lengths: 7ft sections ship nationwide; 10ft sections available for local pickup with fewer seams
- Same-Day Local Pickup: Damascus, Oregon warehouse provides immediate availability for job site needs in Portland metro area
- Easy Installation: Lightweight aluminum sections are easy for one-person installation and connection using standard downspout straps
- Easy Maintenance: Baked enamel finish requires minimal maintenanceno painting or special treatments needed
- Long-Term Availability: Industry-standard profile means replacement sections remain available for property maintenance decades after installation
- Cost Effective: Competitive pricing on both individual sections and contractor packs enables profitable project budgeting
- Professional Reputation Protection: Specifying industry-standard components ensures installations are serviceable by future contractors
Product Specifications
Who Specifies 2×3 Rectangular Downspouts
Gutter Installers (Primary)
- New construction gutter system installations
- Gutter replacement on existing homes and commercial buildings
- Professional residential and light commercial projects
- Multi-home developments and contractor bulk projects
- Projects where industry-standard profile is required
- Any application requiring universal gutter compatibility
Why it matters: Gutter installers depend on the 2×3 rectangular profile because it is the industry standardevery gutter outlet adapter is designed to fit it, every contractor knows how to install it, and customers expect it. Specifying the industry-standard profile protects the installer’s reputation and ensures the system remains serviceable by future contractors.
General Contractors and Property Managers (Secondary)
- New home and commercial building construction projects
- Building renovation and gutter system replacement
- Multi-family and multi-building projects requiring standardized components
- Projects where consistent quality and long-term availability are required
- Facility maintenance where replacement parts must be readily available
- Color coordination with building exteriors and architectural specifications
Why it matters: General contractors and property managers specify the 2×3 rectangular downspout because it is the proven, industry-standard component that will remain available, will work with any future gutter maintenance, and will integrate seamlessly with standard building specifications and architectural design.
Setup and Installation GuideInstalling 2×3 Rectangular Downspouts
- Measure downspout run: Measure the vertical distance from the gutter outlet to the ground, splash block, or underground drain connection. Add several inches to allow for overlap when connecting sections.
- Cut sections to length: Using a miter saw, tin snips, or reciprocating saw, cut downspout sections to the required length. Make clean cutsjagged edges are harder to connect and can present sharp edges during installation.
- Assemble downspout connector: Insert downspout connectors (also called sleeves or ferrules) into the ends of each section where they will connect. The crimped end of the connector should face downward to shed water.
- Connect sections: Slide the upper downspout section over the connector on the lower section, overlapping by at least 2 inches. Ensure sections fit snugly and are aligned vertically.
- Install downspout straps: Secure the downspout to the wall using downspout straps or brackets, spaced every 6 to 8 feet. Secure straps with screws or bolts appropriate to the wall material (masonry, wood, vinyl siding, etc.).
- Install elbows and offsets: Where the downspout route requires directional changes or offsets, install 45-degree or 90-degree elbows between sections using downspout connectors.
- Seal joints if needed: For enhanced water-tightness at joints, apply silicone sealant or metal gutter sealant at connection points. Allow sealant to cure per manufacturer instructions before exposing to water.
- Ensure proper slope: Verify that the downspout hangs plumb (vertically straight) and maintains proper alignment from outlet to ground. Adjust strap positions if necessary to ensure vertical alignment.
- Connect to drainage: At the bottom, connect the downspout to a splash block, underground drain line, or drain system appropriate to site conditions. Ensure water is directed away from the building foundation.
- Test and adjust: Run water through the system (garden hose) to verify proper flow, check for leaks at connections, and ensure water is being directed properly at the discharge point. Make adjustments if needed.
Pro Tip: When installing multiple downspout sections, use a level or plumb line to ensure vertical alignment before securing with straps. A perfectly vertical downspout is more visually professional, drains more efficiently, and reduces stress on the connection points from asymmetrical water flow or weight distribution.
The industry-standard 2×3 rectangular downspoutprofessional quality for every gutter installation.
Add to cart. Ships fast from Damascus, OR. Contractor packs and bulk orders available.
Email [email protected] | Mon-Fri 7am-4pm, Sat 8am-2pm PST
Frequently Asked Questions
What is the difference between 7ft and 10ft downspout sections? +
Both 7ft and 10ft sections are identical in material, profile, finish, and quality. The difference is length only. Longer 10ft sections reduce the number of seams for a more professional appearance and faster installation. However, 10ft sections are available only for local pickup in Damascus, Oregon due to shipping constraints. 7ft sections can be shipped nationwide and provide flexibility for various job site configurations.
How much roof area can a 2×3 downspout handle? +
A 2×3 rectangular downspout with 6 square inches of flow capacity is rated to handle water drainage from approximately 600 square feet of roof area under normal rainfall conditions. This covers the majority of single-family residential applications. Larger roof areas or higher rainfall regions typically require multiple downspout locations spaced appropriately to maintain drainage efficiency and meet building code requirements.
Are contractor packs available for local pickup? +
Yes. Contractor packs (Box of 10 sections) are available for local pickup at GutterAll’s Damascus, Oregon warehouse. Standard colors start at competitive contractor pricing. Specialty colors like Rustic Copper and Galvalume Plus are also available in contractor packs. Contact [email protected] or call (503) 850-6784 to confirm availability and pricing for your color selection before pickup.
What is the return policy? +
2×3 rectangular downspout sections may be returned within 30 days of purchase in original, unopened condition for a full refund or exchange. Sections that have been cut, installed, or used cannot be returned. Contact [email protected] to initiate a return and receive return shipping instructions before sending items back. Refunds are processed within 5 to 7 business days of GutterAll receiving the returned items in qualifying condition. Return shipping costs are the responsibility of the buyer unless the return is due to a product defect or shipping error made by GutterAll.
How long does shipping take, and is local pickup available? +
Orders are typically processed and shipped within 1 to 2 business days from GutterAll’s Damascus, Oregon facility. Standard ground shipping transit time is 3 to 7 business days depending on destination. In-store pickup at 19759 SE Sunnyside Rd, Damascus, OR 97089 is available Monday through Friday 7am to 4pm and Saturday 8am to 2pm PST. Local delivery within the greater Damascus and Portland metro area is also available. Contact [email protected] or (503) 850-6784 for site bulk quantities and lead times on large construction project orders.
Is the 2×3 rectangular downspout compatible with my gutter system? +
Yes. The 2×3 rectangular profile is the industry-standard downspout designed for universal compatibility with standard 5-inch and 6-inch K-style gutters, which are used on the vast majority of residential homes. It also works with most commercial gutter systems. If your gutters use a non-standard profile or unusual configuration, contact [email protected] or (503) 850-6784 to verify compatibility before ordering.
Safety NoticeProfessional Installation Recommended
PROFESSIONAL INSTALLATION RECOMMENDED. Downspout installation requires working at heights with proper safety equipment. Follow OSHA guidelines and local building codes. Use appropriate fall protection and ensure proper ladder safety. Contact licensed professionals if installation work is beyond your comfort level or experience. For product questions, contact [email protected].
Order 2×3 Rectangular Downspout SectionsProfessional-Grade Quality
Industry-standard 2×3 rectangular profile with 6 square inch flow capacity. Premium aluminum with baked enamel finish. 25+ designer colors. Buy individual sections or contractor packs (Box of 10). Same-day local pickup available at Damascus, Oregon warehouse. Ships nationwide. The professional choice for every gutter installation. Add to cart now.
Add to CartShips Fast from Damascus, OR
In-store pickup | Local delivery | Nationwide shipping available
Contractor packs and multi-section orders: [email protected]
Mon-Fri 7am-4pm | Sat 8am-2pm PST | (503) 850-6784
2×3 Professional Aluminum Rectangular DownspoutAt a Glance
Industry-Standard 2×3 Rectangular Downspout. 6 Square Inch Flow Capacity. Premium Aluminum with Baked Enamel Finish. 25+ Designer Colors. 7ft (shippable) and 10ft (local pickup) Sections. Individual Sections or Contractor Packs (Box of 10). Same-Day Local Pickup at Damascus, OR. Nationwide Shipping Available.
GutterAllProfessional Gutter Installation Supplies
Address19759 SE Sunnyside Rd
Damascus, OR 97089
HoursMon-Fri: 7am-4pm PST
Sat: 8am-2pm PST
Email[email protected]
Phone(503) 850-6784








