
Professional Grade Permanent Sealer 4oz
Nitrile Rubber Gutter Sealant | Waterproof | Multi-Surface | Professional Strength
Trusted by GutterAll.com
Professional Gutter Solutions Since 2010
19759 SE Sunnyside Rd
Damascus, OR 97089
Standard shipping nationwide
Local Damascus pickup available
sales@gutterall.com
(503) 496-7017
Professional installation guidance
Technical support included
STOP LEAKING GUTTERS PERMANENTLY
Professional-grade nitrile rubber formula creates waterproof seals that won't crack, peel, or deteriorate
Fix Gutter Seams • Joints • Corners • Downspout Connections
PROFESSIONAL STRENGTH - PERMANENT RESULTS

Why Choose Professional Grade?
- Nitrile Rubber Formula: Superior flexibility and adhesion
- Temperature Range: -40°F to 200°F performance
- Multi-Surface Bond: Aluminum, steel, copper, vinyl
- UV Resistant: Won't degrade from sun exposure
- Waterproof Seal: 100% waterproof when cured
- Professional Strength: Used by contractors nationwide
- Easy Application: No special tools required
Professional-Grade Permanent Gutter Sealer
Stop dealing with recurring gutter leaks forever. Our Professional Grade Permanent Sealer uses advanced nitrile rubber technology to create truly permanent waterproof seals that outperform standard silicone caulk and hardware store sealants. This professional-strength formula bonds to all gutter materials and withstands extreme weather conditions, temperature cycling, and UV exposure without cracking, peeling, or deteriorating.
Nitrile rubber-based for superior performance
Complete water barrier protection
-40°F to 200°F temperature range
Bonds to all gutter materials
Technical Specifications & Performance Data
Product Specifications
Performance Advantages
- Superior Adhesion: Bonds to aluminum, steel, copper, vinyl
- Flexible Formula: Expands/contracts with temperature changes
- Permanent Seal: Won't crack, peel, or deteriorate over time
- Weather Resistant: Withstands extreme conditions
- Professional Grade: Same formula used by contractors
- Easy Application: No primer or special tools required
- Multi-Surface: Works on all common gutter materials
- Emergency Use: Can be applied to slightly damp surfaces
Common Gutter Leak Problems & Solutions
Leaking Gutter Joints
Problem: Gutter sections separate at joints due to expansion/contraction and failed factory sealant.
Solution: Apply our Permanent Sealer to create a flexible, waterproof bond that moves with your gutters through seasonal changes.
Gutter Corner Leaks
Problem: Complex angles create stress points where water pools before flowing to downspouts.
Solution: Our formula creates a flexible seal at corner joints that withstands unique stresses at these critical points.
Downspout Connection Leaks
Problem: High water volume creates pressure at downspout junctions with multiple potential leak points.
Solution: Apply around entire connection to create watertight seal that withstands high water pressure.
Gutter Seam Leaks
Problem: Sectional gutters develop leaks from aging sealant, rust, or improper installation.
Solution: Our sealant penetrates and seals seams, creating a waterproof barrier that prevents water infiltration.
Professional Installation Guide
Follow these professional techniques for permanent gutter leak repairs using our Professional Grade Permanent Sealer.
Step 1: Locate All Leaks
Inspect gutters during rainfall or run water through the system. Mark all leak points including seams, joints, corners, and downspout connections for comprehensive repair.
Step 2: Clean & Prepare
Remove all debris, old sealant, and corrosion using wire brush. Clean with mild detergent, rinse thoroughly, and ensure complete drying before application.
Step 3: Apply Sealer
Cut nozzle to desired size and apply directly to clean, dry surface. Ensure complete coverage extending 1 inch beyond leak on all sides for maximum protection.
Step 4: Finish & Cure
Smooth with gloved finger, maintain water flow path, and allow 24 hours to cure completely. Test repair by running water through system.
Professional Pricing & Shipping Options
Single 4oz Tube
$66.95
Coverage: 12-15 linear feet
Perfect for small repairs and testing
Shipping: Standard nationwide shipping available
Multi-Tube Packages
Bulk Pricing Available
Coverage: Extended project coverage
Ideal for complete gutter system sealing
Shipping: Free shipping on bulk orders
Local Damascus Pickup
No Shipping Fees
Location: 19759 SE Sunnyside Rd
Professional consultation available
Hours: Contact for pickup scheduling
SAFETY & APPLICATION NOTICE
PROFESSIONAL APPLICATION RECOMMENDED
Gutter repair work requires working at height with proper safety equipment. Use OSHA-approved fall protection for work 6+ feet high. Ensure proper ventilation during application. Read all safety instructions before use. For best results, apply in dry conditions with temperatures above 40°F. Professional contractors have proper equipment, insurance, and expertise for safe application.
Professional Gutter Sealant FAQ
How do I fix leaking gutter joints permanently?
To fix leaking gutter joints permanently, clean and dry the area thoroughly, then apply our Professional Grade Permanent Sealer directly to the joint with complete coverage. The nitrile rubber-based formula creates a waterproof, flexible seal that expands and contracts with temperature changes. Apply in dry conditions above 40°F and allow 24 hours to cure. One 4oz tube seals 12-15 linear feet of joints. Unlike silicone caulk that deteriorates quickly, our permanent sealer creates lasting repairs that won't crack or peel.
What causes gutters to leak and how can I prevent it?
Gutters leak from separated seams and joints due to expansion/contraction, corrosion in metal gutters, improper installation, damage from debris, clogged gutters causing water backup, failed sealant at joints, and loose fasteners. Our Professional Grade Permanent Sealer addresses these causes by creating a waterproof, flexible bond that withstands temperature changes and extreme weather. Unlike standard caulk, it won't crack, peel, or deteriorate, providing permanent protection.
How do I repair leaking gutters step by step?
To repair leaking gutters: 1) Locate all leaks by checking during rainfall or running water through the system; 2) Clean thoroughly, removing old sealant, debris, and corrosion; 3) Ensure complete drying; 4) Apply our Professional Grade Permanent Sealer generously to leaking areas, covering seams, joints, or holes completely; 5) For larger holes, use backing material first; 6) Allow 24 hours to cure; 7) Test by running water through the system. Our professional-grade sealant works on all gutter materials, creating permanent waterproof seals.
How do I fix gutter leaks at corners?
To fix gutter leaks at corners: 1) Clean the corner thoroughly, removing debris, old sealant, and corrosion; 2) Dry completely; 3) Apply our Professional Grade Permanent Sealer generously to inside and outside of corner joint; 4) Use gloved finger to work sealant into seam completely; 5) Create smooth finish that won't obstruct water flow; 6) Allow 24 hours to cure. The multi-surface adhesive properties ensure strong bonding to all gutter materials, while the flexible formula expands and contracts to prevent future corner leaks.
What is the best sealant for leaking gutters?
The best sealant for leaking gutters is a professional-grade, nitrile rubber-based formula like our Permanent Sealer. It outperforms silicone and standard caulk by: creating truly permanent waterproof seals, remaining flexible through temperature changes, bonding to all gutter materials, withstanding extreme weather from -40°F to 200°F, resisting UV degradation, never cracking or peeling, and allowing application to slightly damp surfaces. Professional contractors choose our Permanent Sealer for lasting repairs that prevent callbacks.
Why does standard caulk fail on gutter repairs?
Standard silicone and latex caulks fail on gutters because they become brittle in cold weather and can't handle expansion/contraction through seasonal temperature changes. They also degrade from UV exposure, leading to cracking and peeling, and have poor adhesion to gutter materials, especially in wet conditions. Our nitrile rubber-based Permanent Sealer maintains flexibility in all temperatures, is UV stable for long-lasting performance, and creates superior bonds to all surfaces.
How much coverage does one tube provide?
One 4oz tube of our Professional Grade Permanent Sealer provides approximately 12-15 linear feet of coverage for typical gutter joint and seam repairs. Coverage varies based on application thickness and leak size. For comprehensive gutter system sealing or larger repairs, multiple tubes may be needed. We offer bulk pricing for larger projects and professional applications.
What shipping options are available?
We offer standard shipping nationwide with tracking provided via email. Orders typically ship within 1-2 business days. Local pickup is available at our Damascus, OR facility (19759 SE Sunnyside Rd) with professional consultation included. Bulk orders qualify for special shipping rates and free shipping options. Contact us at (503) 496-7017 for shipping details and bulk pricing.
What is your return policy?
We offer a 30-day return policy on unused items in original packaging with a 15% restocking fee. Opened products cannot be returned due to the nature of sealant products. Defective items should be reported within 48 hours of receipt for immediate replacement. We work closely with customers during planning to ensure proper product selection and minimize returns.
GutterAll Professional Performance Guarantee
Permanent waterproof protection guaranteed. Our Professional Grade Permanent Sealer provides the ultimate solution for gutter leak repairs with advanced nitrile rubber technology that outperforms standard caulks and sealants. Trusted by professional contractors and homeowners throughout the Damascus area for lasting, maintenance-free performance.
Professional Support: (503) 496-7017 | sales@gutterall.com
STOP GUTTER LEAKS PERMANENTLY
Professional-grade nitrile rubber formula • Waterproof • Multi-surface • Temperature resistant
✓ Permanent waterproof seal
✓ Professional strength formula
✓ All gutter materials
✓ Standard shipping available
ORDER NOW - PROFESSIONAL RESULTS GUARANTEED