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Professional .019" Aluminum — 30 Degree White & Musket Brown — Damascus OR + Nationwide Shipping
Available Color Options
Professional Ribbed Construction
Enhance your gutter system with our premium 3x4" Single Offset Style A Downspout Extension, engineered for professional installations requiring perfect wall clearance and optimal water flow direction. This commercial-grade aluminum extension features ribbed construction for superior strength, available in two premium finishes to complement any architectural style across residential and commercial applications.
Perfect wall clearance and water direction
Ribbed design for maximum strength
30 Degree White and Musket Brown available
Local delivery + shipping to all 50 states
| Dimensions | 3" x 4" rectangular profile |
| Style | Single Offset Type A configuration |
| Material | Professional-grade aluminum |
| Construction | Ribbed design for strength |
| Gauge | .019" commercial grade |
| Finish | UV-resistant coating |
| Compatibility | Standard 3x4 downspout systems |
| Wall Clearance | Perfect offset for building protection |
| Water Direction | Optimal flow management |
| Grade | Commercial installation ready |
| Structural | Ribbed construction strength |
| Weather | All-climate performance |
| Installation | Standard connection compatible |
| Durability | Maintenance-free long-term |
Professional Installation Techniques and Best Practices
Local Damascus delivery available. Nationwide shipping to all 50 states.
| Variant | SKU | Color | Price |
|---|---|---|---|
| 30 Deg. White | GA44104 | 30 Degree White | $9.99 |
| Musket Brown | GA44105 | Musket Brown | $9.99 |
Contractor volume pricing available. Contact sales@gutterall.com or call (503) 496-7017 for project quotes.
Coverage: Damascus, OR and surrounding areas
Coverage: All United States including Alaska and Hawaii
Follow these professional techniques for optimal single offset downspout extension performance and proper water management.
Downspout extension installation may require working at height and proper knowledge of gutter systems. Use appropriate safety equipment and follow OSHA guidelines for work 6 or more feet high. Professional contractors have proper equipment, insurance, and expertise for safe installation. Ensure proper alignment, secure connections, and adequate water flow direction. Installation requirements may vary by region — consult local building codes.
Based on 26 verified reviews
"Perfect fit on my 3x4 downspout. The Style A offset gave exactly the wall clearance I needed. White color matches my gutters perfectly."
Kevin M. — Nov 10, 2025
"Musket Brown is a great match for our exterior. Solid aluminum construction and the ribbed design feels very sturdy. Fast shipping from Damascus."
Sandra L. — Dec 3, 2025
"Ordered ten of these for a commercial job. Fit was perfect, price was excellent. Will order again."
Dan R. — Jan 18, 2026
Style A single offset provides a specific angle and distance designed for optimal wall clearance. The Type A configuration is engineered for standard residential and commercial 3x4 downspout systems requiring a single directional offset to move water away from the building foundation while maintaining clean aesthetic lines.
Yes. This extension is manufactured to standard 3x4 inch rectangular downspout dimensions and is compatible with virtually all residential and commercial 3x4 downspout systems. Standard slip-fit or screw connections work with this profile.
This downspout extension is manufactured from .019 inch commercial-grade aluminum with a ribbed construction for superior structural strength and long-term weather resistance.
Yes. GutterAll is located at 19759 SE Sunnyside Rd, Damascus, OR 97089. Local customers can pick up same day or arrange next-day delivery. Nationwide shipping is also available to all 50 states.
GutterAll offers a 30-day return policy on all downspout products. Items must be in original, unused condition. Return shipping is free for defective items. Contact sales@gutterall.com or call (503) 496-7017 to initiate a return.
Superior water management and professional installation support guaranteed. Our premium 3x4" Single Offset Style A Downspout Extension provides the ultimate combination of functionality, durability, and aesthetic appeal for your gutter system. Trusted by contractors nationwide and backed by comprehensive technical support for both local Damascus customers and nationwide shipping orders.
19759 SE Sunnyside Rd
Damascus, OR 97089
Mon–Fri: 7:00 AM – 5:00 PM
Sat: 8:00 AM – 2:00 PM
Sun: Closed
Local Damascus Delivery
Nationwide Shipping
All 50 States
© 2026 GutterAll.com — Professional Gutter and Downspout Systems Since 2010 — Damascus, OR
