5K Aluminum Gutter End Cap - K-Style Ogee Profile | Damascus OR
5K Aluminum Gutter End Cap - K-Style Ogee Profile | Damascus OR
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5K Style Aluminum Gutter End Cap - Professional K-Style Ogee Profile
Fits All Standard 5-Inch K-Style Gutters | Left, Right, or Pair | 30 Factory Colors | Contractor Bulk Packs | Damascus OR
CONTRACTOR LOCAL PICKUP - DAMASCUS, OREGON
Stop gutter end leaks permanently with professional aluminum end caps that outlast plastic by decades. Match any gutter system with 30 factory colors.
Left and Right Options | Matched Pairs | Contractor Bulk Packs (25 or 100 per side) | Custom Orders Available
5K Aluminum Gutter End Cap - Damascus, OR:
Protect your home from water damage with professional-grade aluminum end caps designed to seal 5-inch K-style gutters permanently. Unlike plastic end caps that crack, warp, and fail within 3-5 years, these aluminum caps expand and contract at the same rate as your gutters, eliminating the differential expansion that causes leaks. The die-formed K-style ogee profile creates a precise fit that seats tightly with sealant for a watertight seal that lasts 25+ years. Available in 30 factory colors with baked enamel finish to match any existing gutter system perfectly. Whether you need a single replacement cap or contractor bulk packs of 100 per side, GutterAll stocks the inventory and color selection professionals depend on.
| Pack Options | Best For | Colors |
| Single Left or Right | Single repairs, replacements | 30 colors |
| Pair (Left and Right) MOST POPULAR | Complete gutter runs, DIY projects | 30 colors |
| 25 Left / 25 Right | Small contractor jobs, multi-home projects | 30 colors |
| 100 Left / 100 Right BEST VALUE | High-volume contractors, inventory stock | Contact for availability |
Contractor Local Pickup: Damascus, Oregon - Mon-Fri 7am-4pm, Sat 9am-2pm PST
Shipping: Ships nationwide via standard shipping
Volume Orders: Call (503) 850-6784 for contractor pricing on bulk quantities
Why Aluminum End Caps Outperform Plastic
Plastic end caps are the number one cause of gutter end leaks. Here is why aluminum is the professional choice:
Plastic End Caps (Problems)
- Become brittle and crack from UV exposure
- Shrink and expand differently than aluminum gutters
- Break during freeze-thaw cycles
- Seals fail within 3-5 years
- Require frequent replacement
- Cause water damage to fascia and foundation
Aluminum End Caps (Benefits)
- Expand and contract with the gutter, not against it
- UV-stable baked enamel finish resists fading
- Maintain seal integrity through temperature extremes
- Last 25+ years with proper installation
- Die-formed precision fit for watertight seal
- Protect your home investment permanently
Key Benefits for Contractors and DIY Homeowners:
Eliminate Differential Expansion Leaks
Aluminum-to-aluminum installation means the end cap and gutter expand and contract together through temperature changes. This eliminates the seal failures caused by plastic caps that move differently than the metal gutter.
Precision K-Style Ogee Profile Fit
Die-formed to match the exact 5K ogee profile for a tight, factory-quality seat. The precise fit creates maximum contact area for sealant, ensuring a watertight connection that professionals trust.
30 Factory Color Options
Match any existing gutter system with the same baked enamel color palette used on seamless gutter stock. UV-stable finish resists chalking, fading, and peeling for long-lasting color retention.
All-Climate Durability
Performs reliably in coastal salt air, northern freeze-thaw cycles, southern high UV exposure, and mountain temperature extremes. No brittleness, no cracking, no climate-related failures.
Professional-grade aluminum end cap designed specifically for 5-inch K-style gutters, the most common residential gutter profile in the United States. Also known as gutter end cap, K-style cap, ogee end cap, gutter stopper, or 5K cap, this essential component seals the open ends of gutter runs to prevent water overflow and protect your fascia, soffit, and foundation from water damage. Built from thick aluminum with baked enamel finish in 30 factory colors, these end caps outlast plastic alternatives by decades. The die-formed K-style ogee profile creates a precision fit that seats tightly against the gutter for a watertight seal when installed with silicone or gutter sealant. Available in left, right, matched pairs, and contractor bulk packs of 25 or 100 per side. Rivet-compatible for high-wind applications. Ships nationwide or pick up locally at our Damascus, Oregon location.
Key Features:
- Professional Aluminum Construction: Thick aluminum matches standard seamless gutter stock for uniform thermal expansion
- Die-Formed 5K Ogee Profile: Precision fit for all standard 5-inch K-style residential gutters
- 30 Factory Colors: Baked enamel finish matches GutterAll seamless gutter color palette
- Left and Right Orientations: Single caps, matched pairs, or contractor bulk packs
- UV-Stable Finish: Resists chalking, fading, and peeling in direct sunlight
- Freeze-Thaw Resistant: Maintains seal integrity through temperature extremes
- Salt Air Resistant: Aluminum construction prevents corrosion in coastal environments
- Rivet-Compatible: Pre-positioned for optional 1/8-inch aluminum pop rivet reinforcement
- Easy Installation: Seats with silicone or gutter sealant, optional rivets for high-wind areas
- 25+ Year Lifespan: Outlasts plastic end caps by decades
- Multiple Names - Same Quality: Gutter end cap, K-style cap, ogee cap, gutter stopper, 5K cap
Technical Specifications:
| Product Type | Gutter End Cap / K-Style Cap / Ogee Cap |
| Gutter Style | 5-Inch K-Style (5K Ogee Profile) |
| Material | Aluminum (.027 inch thickness) |
| Finish | Baked enamel (UV-resistant) |
| Colors Available | 30 factory colors |
| Orientation | Left, Right, or Pair (Left and Right) |
| Pack Sizes | Single, Pair, 25 Left/25 Right, 100 Left/100 Right |
| Compatible Gutter Size | 5-inch K-style only |
| Fastener Compatibility | Optional 1/8-inch aluminum pop rivets (not included) |
| Recommended Sealant | 100% silicone or gutter-specific sealant (not included) |
| Expected Lifespan | 25+ years with proper installation |
| Custom Orders | Available - contact for details |
| SKU | GA-5K-ENDCAP |
| Condition | New |
30 Factory Color Options - Match Any Gutter System
All colors feature baked enamel finish matching standard gutter industry colors. Not sure of your gutter color? Email a photo to sales@gutterall.com for a color match recommendation.
How Many End Caps Do You Need?
Single-Story Rectangular Home
Gutters on 2-4 sides require 4-8 end caps. Each gutter run needs one left and one right cap.
Hip Roof / Complex Roofline
Count every open gutter end. Hip roofs commonly require 8-16 end caps across multiple short runs.
Contractor Bulk Guide
- Pair = 1 complete gutter run
- 25 Left/25 Right = approx. 25 runs
- 100 Left/100 Right = approx. 100 runs
Always Order Extra
Order 10-15% more than your count for future repairs, color-matching stock, and installation rejects.
Left vs. Right End Caps - How to Determine:
Stand facing the gutter with your back to the house:
Left End Cap (L)
The cap that goes on your LEFT side when facing the gutter. Used to close the left end of a gutter run.
Right End Cap (R)
The cap that goes on your RIGHT side when facing the gutter. Used to close the right end of a gutter run.
Pro Tip: Most complete gutter runs require one of each, which is why the Pair option is the most popular choice. If you are ordering single caps for repair, identify which end has failed before ordering.
Installation Guide - Contractors and DIY:
- Confirm orientation: Identify which end needs a left cap and which needs a right cap before installation
- Prepare the gutter end: Remove debris, old sealant, and oxidation. Wipe dry with a clean cloth
- Apply sealant: Run a bead of 100% silicone or gutter sealant around the inside perimeter of the end cap
- Seat the end cap: Press firmly onto the open gutter end, ensuring full contact around the entire perimeter
- Wipe excess sealant: Clean away any squeeze-out for a professional appearance
- Optional rivets: For high-wind zones, secure with two 1/8-inch aluminum pop rivets through the end cap face
- Exterior bead: Apply a finishing bead of sealant around the outside seam and smooth with a gloved finger
- Allow cure time: Wait minimum 24 hours before exposure to rain or water testing
Safety note: Gutter work requires a stable ladder. Use OSHA-compliant fall protection equipment when working at heights of 6 feet or more. Professional installation recommended for multi-story homes.
All-Climate Performance:
Coastal / Salt Air
Aluminum resists salt-air corrosion. Baked enamel provides additional moisture barrier against coastal humidity.
Northern / Freeze-Thaw
Maintains seal integrity through repeated freeze-thaw cycles. Will not become brittle or crack at sub-zero temperatures.
Southern / High UV
UV-stable baked enamel finish will not chalk, peel, or fade under prolonged sun exposure.
Mountain / Desert
Wide thermal range tolerance. Expands and contracts at the same rate as the gutter, preventing thermal expansion leaks.
Who Uses 5K Aluminum End Caps?
Contractors
- Gutter installation professionals
- Roofing contractors
- Custom home builders
- Property maintenance companies
- Renovation specialists
Benefit: Bulk packs reduce per-unit cost and ensure consistent inventory
DIY Homeowners
- Gutter repair projects
- Replacing failed plastic caps
- New home finishing
- Storm damage repair
- Preventive maintenance
Benefit: Professional results without contractor labor costs
Frequently Asked Questions:
Q: What size gutters do these end caps fit?
A: These end caps fit 5-inch K-style (5K) gutters, the most common residential gutter profile in the United States. They are not compatible with 6-inch K-style, half-round, or fascia-style gutters.
Q: Why use aluminum end caps instead of plastic?
A: Aluminum end caps outlast plastic by decades. Plastic becomes brittle with UV exposure and cracks during freeze-thaw cycles. Aluminum expands at the same rate as the gutter, eliminating differential expansion leaks.
Q: What is the difference between left and right end caps?
A: Stand facing the gutter with your back to the house. The cap on your left is a left cap, and the cap on your right is a right cap. Most gutter runs require one of each.
Q: What sealant should I use?
A: Use 100% silicone sealant rated for metal or a dedicated gutter sealant. Apply to both the inside perimeter before installation and around the outside seam after. Allow 24 hours cure time.
Q: Can contractors pick up locally?
A: Yes! Local pickup is available at 19759 SE Sunnyside Rd, Damascus, OR 97089. Hours are Mon-Fri 7am-4pm and Sat 9am-2pm PST. Call (503) 850-6784 to confirm stock availability.
Custom Orders Welcome!
Need high-volume contractor quantities, specialty colors, or mixed pack configurations? We can help!
Our team works with contractors and homeowners on custom end cap orders including quantities above 500 units with volume discounts, specialty color matching, mixed left/right configurations, and complete gutter component packages. Whether you are outfitting a large project or need exact color coordination, contact us to discuss your needs.
Contact Us for Custom Orders: (503) 850-6784
Or email: sales@gutterall.com
GutterAll - Your Gutter Component Specialist
Professional gutter components for contractors and DIY homeowners. Our 5K Aluminum Gutter End Caps stop leaks permanently with professional-grade construction that outlasts plastic by decades. Die-formed K-style ogee profile for precision fit, 30 factory colors with UV-stable baked enamel finish, and contractor bulk packs for volume savings. Serving the Pacific Northwest and shipping nationwide since 2010.
Contractor Hotline: (503) 850-6784
GutterAll.com - Damascus, Oregon
Professional Gutter Installation and Supplies Since 2010
19759 SE Sunnyside Rd
Damascus, OR 97089
Mon-Fri: 7am-4pm
Sat: 9am-2pm PST
sales@gutterall.com
(503) 850-6784
