GSA Specified Product certified

GSA Specified Product

U.S. Patented System certified

U.S. Patented System

Registered U.S. Trademark certified

Registered U.S. Trademark

Lowes Metal Flashing: Types, Prices, and Options

Explore superior alternatives to standard metal flashing with WEATHERCAP®, a patented soft lead joint cap system. Designed to protect sealant in masonry joints, our flashing prevents moisture penetration and accommodates building movement. Ideal for historic restoration, government buildings, and new construction, ensuring long-term durability and weather resistance.

WEATHERCAP A-8 Type A Flat Joint Cap
WEATHERCAP B-8 Type B 90° Cove Cap
WEATHERCAP A-6 Type A Flat Joint Cap
WEATHERCAP B-4 Type B 90° Cove Cap
WEATHERCAP A-2 Type A Flat Joint Cap
WEATHERCAP B-3 Type B 90° Cove Cap
WEATHERCAP B-2 Type B 90° Cove Cap
WEATHERCAP B-6 Type B 90° Cove Cap
WEATHERCAP A-3 Type A Flat Joint Cap
WEATHERCAP A-4 Type A Flat Joint Cap
WEATHERCAP Entrance Step Joint Protection
WEATHERCAP Portico, Bracket and Pilaster Joint Protection
WEATHERCAP Balustrade Joint Protection
WEATHERCAP Joint Protective System (Lead Stone Flashing / Tee Caps)
WEATHERCAP Type A Flat Joint Cap
WEATHERCAP Lead Arrowhead Masonry Joint Caps
WEATHERCAP Glass Block Perimeter Joint Protection
WEATHERCAP Horizontal and Vertical Masonry Joint Protection
WEATHERCAP New Construction Masonry Joint Protection
WEATHERCAP Cornice and Belt Course Joint Protection
WEATHERCAP Type B 90° Cove Cap
WEATHERCAP Window Sill Joint Protection
WEATHERCAP Historic Masonry Preservation Joint Protection
WEATHERCAP Custom and Large-Size Masonry Joint Caps
WEATHERCAP Corner and Fillet Joint Protection
WEATHERCAP Water Table Joint Protection
WEATHERCAP Window and Door Frame Joint Protection
WEATHERCAP Window and Door Lintel Joint Protection
WEATHERCAP Coping and Parapet Joint Protection
WEATHERCAP Masonry Moisture Penetration Protection
WEATHERCAP Building Movement and Joint-Checking Protection
WEATHERCAP Masonry Sealant Protection System

Our Range of Products

WEATHERCAP A-8 Type A Flat Joint Cap

WEATHERCAP A-8 Type A Flat Joint Cap

  • Largest flat cap for joints up to 1 1/2 in
  • Approx 2 in outer joint coverage
  • Covers copings, cornices and parapets
WEATHERCAP B-8 Type B 90° Cove Cap

WEATHERCAP B-8 Type B 90° Cove Cap

  • Heavy-duty cove cap for 1 1/4 in joints
  • Approx 1 3/4 in outer joint coverage
  • Perpendicular anchorage for stability
WEATHERCAP A-6 Type A Flat Joint Cap

WEATHERCAP A-6 Type A Flat Joint Cap

  • Flat cap for wide joints up to 1 1/4 in
  • Approx 1 1/2 in outer coverage width
  • Covers copings, cornices and lintels
WEATHERCAP B-4 Type B 90° Cove Cap

WEATHERCAP B-4 Type B 90° Cove Cap

  • 90° cove cap for joints under 5/8 in
  • Approx 3/4 in outer joint coverage
  • Flexible anchorage for movement control
WEATHERCAP A-2 Type A Flat Joint Cap

WEATHERCAP A-2 Type A Flat Joint Cap

  • Compact flat cap for joints under 3/8 in
  • Lightweight at approx 0.26 lb per foot
  • New construction flat-plane joint solution
WEATHERCAP B-3 Type B 90° Cove Cap

WEATHERCAP B-3 Type B 90° Cove Cap

  • 90° cove cap for joints under 1/2 in
  • Horizontal or perpendicular anchorage
  • Ideal for entrance steps and lintels

Showing 1 to 6 of 32 results

Frequently Asked Questions

How do you attach metal flashing?

Typically, flashing is attached with fasteners or adhesives. Our WEATHERCAP® system is unique—the soft lead cap is embedded directly into fresh sealant within the masonry joint, creating a durable, flexible, and weather-resistant seal without mechanical fasteners, which could cause leaks.

Which is better, galvanized or aluminum flashing?

How long will galvanized flashing last?

What do you cut metal flashing with?

What makes lead a good material for flashing?

Can WEATHERCAP® flashing be painted?

What types of joints is WEATHERCAP® suitable for?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Historic Preservation

Historic Preservation

Protecting the integrity of landmark structures by sealing vulnerable masonry joints against moisture and movement.

Architectural & New Construction

Architectural & New Construction

Specified in new builds to provide long-term, maintenance-free protection for masonry and stone façade joints.

Government & Institutional

Government & Institutional

Ensuring the longevity of public buildings, universities, and monuments with a proven joint protection system.

Commercial Masonry

Commercial Masonry

Preventing leaks and sealant failure in commercial properties, from projecting cornices to window perimeters.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Why Restoration Experts Choose Weathercap

Proven on Iconic Landmarks

Trusted for restoring America's most significant buildings, including the Washington Monument and U.S. Supreme Court.

Patented Joint Protection

Our U.S. Patented soft lead system accommodates building movement and extends sealant life, preventing costly water damage.

GSA Specified for Preservation

Specified in GSA Historic Preservation Technical Procedures, ensuring our products meet the highest standards for federal projects.

Get a Quote for Your Masonry Project

Contact our team for technical specifications, CAD drawings, and pricing. We'll help you select the right joint protection system for your application.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (985) 649-4000.