LeafBlaster Pro Inside Miter Valley Guard 8-Mesh Steel | GutterAll

LeafBlaster Pro Inside Miter Valley Guard

8-Mesh Stainless Steel Micro-Mesh | High-Flow Roof Valley Protection | 40-Year Warranty | UL Certified | Pre-Cut Sections | Damascus Oregon

CONTRACTOR GRADE VALLEY PROTECTION - DAMASCUS, OREGON

High-flow inside miter valley guards designed for the most challenging roof valleys where two planes converge!

8-Mesh Stainless Steel | Pre-Cut 20 x 18.5 Inch Sections | 40-Year Warranty | UL and WUI Certified

Key Benefits at a Glance

LeafBlaster Pro Inside Miter Valley Guard for Gutter Installation - Damascus, Oregon:

The LeafBlaster Pro Inside Miter Valley Guard (also known as valley gutter guard, inside corner gutter protection, miter valley screen, roof valley debris guard, valley junction filter, or inside corner leaf guard) provides contractors and homeowners with professional-grade protection for inside miter roof valleys where two roof planes converge. Roof valleys are the highest-risk areas for gutter blockage - water from two planes converges in the valley, doubling the debris load and water volume compared to straight gutter runs. The LeafBlaster Pro Inside Miter is designed specifically for these challenging high-flow areas. The guard features 8-mesh stainless steel micro-mesh construction that blocks shingle grit, pine needles, leaves, and small debris while maintaining the high water throughput capacity critical for valley drainage. Each box contains 10 pre-cut inside miter sections measuring 20 x 18.5 inches (20x18.5" / 508x470 mm), plus 48 stainless steel 1/2-inch (1/2" / 12.7 mm) zip screws for secure installation. Available in Standard 5-inch (5" / 127 mm) for standard gutters and Super 6-7 inch (6-7" / 152-178 mm) for oversized gutters. The product is UL Certified for safety and quality standards and WUI (Wildfire Urban Interface) Certified for fire-prone areas. Flexible installation methods include under-shingle mounting or below-the-roofline attachment. Compatible with most roof types including asphalt shingles, flat tile, Spanish tile, villa tile, stone coated steel, corrugated steel, standing seam, wood shake, membrane, and flat roof. Works with most gutter guard systems including frame-reinforced stainless steel micro-mesh, stainless steel micro-mesh, all-aluminum guards, and most other gutter protection products. Backed by a 40-year warranty. Designed and assembled in the USA. GutterAll offers LeafBlaster Pro Inside Miter Valley Guards for contractors and homeowners at the Damascus, Oregon location. Professional installation available.

Contractor Local Pickup: GutterAll - 19759 SE Sunnyside Rd, Damascus, Oregon 97089 - Mon-Fri 7am-4pm, Sat 9am-2pm PST

Professional Installation: GutterAll professional installation available - call for quote

Contractor Pricing: Volume discounts available for multi-box and project orders

Order and Consultation: Call GutterAll at (503) 850-6784 to discuss project requirements and place orders

Why Valley Protection Matters for Gutter Installation

Roof valleys are the highest-risk area for gutter blockage and overflow. Water from two roof planes converges in the valley, doubling the debris load and water volume compared to straight gutter runs. Without dedicated valley protection, these areas clog rapidly - causing gutter overflow, ice dam formation, water intrusion, fascia rot, and structural damage. The LeafBlaster Pro Inside Miter Valley Guard is purpose-engineered for these challenging high-flow areas. The 8-mesh stainless steel micro-mesh blocks leaves, pine needles, shingle grit, and small debris while maintaining the high water throughput capacity critical for valley drainage. Pre-cut 20 x 18.5 inch (20x18.5" / 508x470 mm) sections fit precisely at inside miter corners where two roof planes meet. When installing gutter guards on homes with complex rooflines, valleys must be addressed with purpose-built valley guards - standard straight-run guards cannot properly protect these convergence points.

What is an Inside Miter Valley Guard?

An inside miter valley guard (also called valley gutter guard, inside corner gutter protection, miter valley screen, roof valley debris guard, valley junction filter, or inside corner leaf guard) is a specialized gutter guard component designed specifically for the inside corner where two roof planes meet to form a valley. Unlike straight-run gutter guards that protect linear gutter sections, inside miter valley guards are pre-cut and shaped to fit precisely at the V-shaped convergence point where water and debris from both roof planes concentrate. This valley area receives dramatically higher water volume and debris load than straight sections - making it the most failure-prone area of any gutter protection system. The LeafBlaster Pro Inside Miter uses the same 8-mesh stainless steel micro-mesh as the straight-run LeafBlaster Pro guards, ensuring consistent filtration and flow characteristics across the entire gutter system. The pre-cut design eliminates field cutting and fitting errors that can create gaps in valley protection.

Box Contents - Everything Included:

Each box of LeafBlaster Pro Inside Miter Valley Guards contains: 10 Inside Miter Sections - pre-cut 20 x 18.5 inch (20x18.5" / 508x470 mm) 8-mesh stainless steel micro-mesh panels shaped for inside miter valley corners; 48 Zip Screws - 1/2-inch (1/2" / 12.7 mm) stainless steel self-drilling screws for secure attachment to gutters and roofing; Installation Guide - detailed instructions for under-shingle and below-roofline mounting methods. The pre-cut sections and included hardware provide complete valley protection without additional purchases. For multi-valley projects, the 10-boxes-of-10 variant (100 pieces total) is available for contractor bulk ordering with volume pricing.

8-Mesh Stainless Steel Micro-Mesh - Superior Valley Filtration:

The 8-mesh stainless steel construction provides the optimal balance of filtration and flow for high-volume valley applications. "8-mesh" means 8 openings per linear inch - fine enough to block shingle grit, pine needles, small leaves, and seed pods while maintaining the high water throughput capacity critical for valleys where water volume doubles compared to straight runs. Stainless steel resists corrosion in the persistently wet, debris-heavy valley environment where moisture lingers longer than on straight sections. The extruded aluminum frame provides structural rigidity while the micro-mesh surface sheds debris with rainfall. Unlike aluminum-only guards that can clog with fine debris, the micro-mesh design keeps valleys clear through all seasons.

Flexible Installation Methods - Under Shingle or Below Roofline:

LeafBlaster Pro Inside Miter Valley Guards offer two installation methods to accommodate different roof types and installer preferences: Under Shingle Installation - the guard slides under the bottom row of shingles at the valley, securing behind the shingle with the included zip screws. This method provides the cleanest appearance and works well with asphalt shingles, wood shake, and similar overlapping roofing materials; Below Roofline Installation - the guard attaches to the gutter and fascia below the roofline without disturbing shingles. This method is preferred for tile roofs, metal roofing, standing seam, and situations where lifting shingles is not practical. Both methods provide secure attachment and complete valley coverage. The included 1/2-inch (1/2" / 12.7 mm) stainless steel zip screws are compatible with both installation approaches.

Roof Type Compatibility:

LeafBlaster Pro Inside Miter Valley Guards are compatible with most residential and commercial roof types: Asphalt Shingles - standard 3-tab and architectural shingles; Flat Tile - concrete and clay flat profile tiles; Spanish Tile - barrel and S-shaped clay and concrete tiles; Villa Tile - interlocking flat tiles with raised edges; Stone Coated Steel - metal roofing with stone granule coating; Corrugated Steel - agricultural and industrial corrugated metal; Standing Lock Seam - commercial and residential standing seam metal; Wood Shake - cedar and other wood shake roofing; Membrane Roofing - TPO, EPDM, and modified bitumen flat roofs; Flat Roof - built-up and single-ply flat roof systems. The flexible installation methods (under-shingle and below-roofline) accommodate the attachment requirements of each roof type.

Protect the most challenging areas of gutter systems with LeafBlaster Pro Inside Miter Valley Guards - contractor-grade 8-mesh stainless steel micro-mesh protection designed specifically for inside miter roof valleys where two planes converge. Also known as valley gutter guard, inside corner gutter protection, miter valley screen, roof valley debris guard, valley junction filter, or inside corner leaf guard - these purpose-built valley guards address the highest-risk areas for gutter blockage and overflow. Each box contains 10 pre-cut 20 x 18.5 inch (20x18.5" / 508x470 mm) inside miter sections plus 48 stainless steel 1/2-inch (1/2" / 12.7 mm) zip screws for complete installation. Available in Standard 5-inch (5" / 127 mm) for standard gutters and Super 6-7 inch (6-7" / 152-178 mm) for oversized gutters. The 8-mesh stainless steel blocks pine needles, shingle grit, leaves, and small debris while maintaining high water throughput capacity. Flexible installation methods include under-shingle and below-roofline mounting. UL Certified for safety and quality. WUI Certified for wildfire urban interface areas. 40-year warranty. Compatible with most roof types and gutter guard systems. Designed and assembled in the USA. GutterAll offers LeafBlaster Pro Inside Miter Valley Guards for contractors and homeowners at the Damascus, Oregon location. Professional installation available.

Key Benefits:

• 8-Mesh Stainless Steel Micro-Mesh: Fine filtration blocks debris while maintaining high-flow capacity for valleys
• Pre-Cut Inside Miter Design: Precision-shaped 20 x 18.5 inch (20x18.5" / 508x470 mm) sections for exact valley fit
• High-Flow Valley Capacity: Engineered to handle concentrated water volume where two roof planes converge
• 40-Year Warranty: Long-term protection with comprehensive material defect coverage
• UL Certified: Independently verified for safety and quality standards
• WUI Certified: Approved for wildfire urban interface areas where ember protection matters
• Flexible Installation: Under-shingle or below-roofline mounting options for all roof types
• Complete Hardware Included: 48 stainless steel 1/2-inch zip screws per box of 10
• Standard and Super Sizes: 5-inch for standard gutters, 6-7 inch for oversized gutters
• Multi-Roof Compatibility: Works with asphalt, tile, metal, wood shake, and membrane roofs
• Gutter Guard Compatible: Integrates with LeafBlaster Pro and most other gutter guard systems
• Corrosion Resistant: Stainless steel construction for wet, debris-heavy valley environments
• USA Designed and Assembled: Quality manufacturing with domestic production
• Contractor Volume Pricing: Bulk discounts for multi-box and project orders

Product Specifications:

Package Components - What is Included

Each box contains everything needed for inside miter valley protection

Bulk Option: 10 boxes of 10 (100 pieces total) available for contractor projects with volume pricing.

Common Names - Same Professional Product:

This product goes by many names in the gutter and roofing industry. Understanding these synonyms helps contractors and homeowners find the right solution:

Who Uses Inside Miter Valley Guards?

Common Applications:

Installation Guide - How Inside Miter Valley Guard Installation Works:

1. Clear Valley Area: Remove all debris, shingle grit, leaves, and standing water from the valley area before installation. Inspect the valley flashing and gutter connection for damage or deterioration.
2. Select Installation Method: Choose under-shingle mounting for asphalt and wood shake roofs, or below-roofline mounting for tile, metal, and situations where lifting shingles is not practical.
3. Position Inside Miter Section: Place the pre-cut 20 x 18.5 inch (20x18.5" / 508x470 mm) inside miter section at the valley corner with the mesh facing outward and the frame aligned with the valley centerline.
4. Secure with Zip Screws: Using the included 1/2-inch (1/2" / 12.7 mm) stainless steel zip screws, fasten the miter section securely. For under-shingle installation, secure to the gutter lip; for below-roofline, secure to gutter and fascia.
5. Verify Proper Overlap: Ensure the inside miter section properly overlaps with adjacent straight-run LeafBlaster Pro guards for continuous coverage. No gaps should exist between valley and straight sections.
6. Check Water Flow Direction: Confirm water flow direction and drainage path to verify no reverse-flow points or water pooling areas exist at the valley intersection.
7. Install Adjacent Sections: Continue installation of straight-run guards from the valley outward, maintaining proper overlap and consistent fastening throughout the gutter run.
8. Test with Water: Run water through the valley area to verify proper drainage, no overflow at the valley point, and correct integration with the complete gutter guard system.

Pro Tip: Valley work requires proper fall protection and experience with complex roof geometry. The pre-cut LeafBlaster Pro sections eliminate field cutting but proper positioning and fastening are critical for effective valley protection. GutterAll offers professional installation and contractor support - call (503) 850-6784 for consultation.

Frequently Asked Questions:

Safety Notice

Roof work requires proper safety equipment and training. Always use OSHA-approved fall protection when working at height. Do not work on roofs in wet, icy, or high-wind conditions. Valley work requires experience with complex roof geometry and proper positioning on sloped surfaces. If not trained in roof safety procedures or uncomfortable with valley installation, hire a licensed roofing contractor or gutter professional. GutterAll offers professional installation service for customers who prefer turnkey valley protection. Contact (503) 850-6784 to discuss installation options.

Contractor and Project Orders

Volume pricing available for contractor accounts and multi-valley projects.

The 10-boxes-of-10 variant (100 pieces total) is designed for contractors with multiple projects or complex rooflines with many valley points. GutterAll provides contractor support including technical guidance, bulk pricing, and priority fulfillment. Custom quantities and mixed-size orders can be accommodated for specific project requirements.

GutterAll - LeafBlaster Pro Valley Protection

Complete gutter protection for every roof configuration. GutterAll offers LeafBlaster Pro Inside Miter Valley Guards as part of the complete LeafBlaster Pro gutter protection system. Also known as valley gutter guard, inside corner gutter protection, miter valley screen, roof valley debris guard, valley junction filter, or inside corner leaf guard - these contractor-grade valley guards feature 8-mesh stainless steel micro-mesh construction, pre-cut 20 x 18.5 inch (20x18.5" / 508x470 mm) sections, 40-year warranty, UL and WUI certifications, and compatibility with most roof types. Available in Standard 5-inch and Super 6-7 inch sizes. Professional installation available. Serving the Pacific Northwest from Damascus, Oregon.

GutterAll - Damascus, Oregon

LeafBlaster Pro Authorized Dealer and Professional Installation