GSA Specified Product certified

GSA Specified Product

U.S. Patented System certified

U.S. Patented System

Masonry Foundation Repair: Essential Guide and Network Resources

An essential guide to protecting masonry structures with the WEATHERCAP® joint protection system. Explore our patented soft lead caps, designed to weatherproof and extend the life of sealant in masonry joints for historic restoration, new construction, and architectural applications. This system prevents moisture penetration and accommodates building movement, ensuring long-term structural integrity.

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

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 1.5 in
  • 2 in outer coverage for wide joint spans
  • Durable 2.5 lb/ft soft lead construction
WEATHERCAP B-8 Type B 90° Cove Cap

WEATHERCAP B-8 Type B 90° Cove Cap

  • Heavy-duty B-8 cap for 1 1/4 in joints
  • Perpendicular anchorage only design
  • Robust 2.5 lb/ft for large joint coverage
WEATHERCAP A-6 Type A Flat Joint Cap

WEATHERCAP A-6 Type A Flat Joint Cap

  • Covers wide joints up to 1 1/4 inch
  • Flat Type A cap for same-plane joints
  • Blends into masonry with grey patina
WEATHERCAP Water Table Joint Protection

WEATHERCAP Water Table Joint Protection

  • Combined Type A & B water table system
  • Resists corrosion and mold growth
  • Ideal for historic façade restoration
WEATHERCAP Window and Door Frame Joint Protection

WEATHERCAP Window and Door Frame Joint Protection

  • Protects window & door frame joints
  • Right-angle Type B cove configuration
  • Paintable, weathers to neutral grey
WEATHERCAP Window Sill Joint Protection

WEATHERCAP Window Sill Joint Protection

  • Protects window sill-to-masonry joints
  • 90° cove cap fits sill joint angles
  • Soft lead adapts to structural shifts

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Frequently Asked Questions

What is the WEATHERCAP® joint protection system?

WEATHERCAP® is a patented soft lead strip system designed to be used with sealant in masonry joints. It protects the sealant from environmental exposure and stress caused by building movement, preventing moisture penetration and extending the life of the joint. It is available in flat (Type A) and 90-degree (Type B) configurations to suit different applications.

What are the main benefits of using WEATHERCAP®?

What is the difference between Type A and Type B caps?

Is WEATHERCAP® suitable for new construction projects?

How does WEATHERCAP® handle building movement?

In what lengths is the material supplied?

Can WEATHERCAP® be painted?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Historic Preservation & Restoration

Historic Preservation & Restoration

Protecting landmark structures by providing a durable, flexible seal for vulnerable masonry joints.

Government & Institutional Buildings

Government & Institutional Buildings

Ensuring long-term weatherproofing for critical public buildings like capitols, museums, and universities.

New Masonry Construction

New Masonry Construction

Specified in new projects to proactively protect masonry joints and extend the life of sealants from day one.

Architectural & Ornamental Masonry

Architectural & Ornamental Masonry

Preserving the integrity of detailed architectural elements like cornices, lintels, balustrades, and copings.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Why Architects & Restoration Specialists Choose Weathercap

Proven on National Landmarks

Trusted for projects like the Washington Monument and U.S. Supreme Court, our system is the proven choice for preserving America's iconic structures.

Patented Joint Protection

Our unique, patented soft lead cap system (U.S. Patent 6991400) offers unparalleled, exclusive protection against moisture and building movement.

GSA Specified Solution

Officially specified in the U.S. General Services Administration's Historic Preservation Technical Procedures, ensuring compliance for government projects.

Get Technical Specs and Sizing Guidance

Contact our team for detailed product information, CAD drawings, sample specifications, and to discuss your project's unique requirements.

Contact Us Today

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