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

Pilaster Caps: Column Caps

Explore our durable pilaster and column caps, part of the WEATHERCAP® patented soft lead joint protection system. Designed to protect sealant in masonry joints on architectural elements, they prevent moisture damage and extend sealant life. Ideal for new construction and trusted for historic preservation on national landmarks.

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

Our Range of Products

WEATHERCAP Entrance Step Joint Protection

WEATHERCAP Entrance Step Joint Protection

  • Protects entrance step tread and riser joints
  • Type B right-angle cove cap design
  • Flexible lead accommodates step movement
WEATHERCAP A-8 Type A Flat Joint Cap

WEATHERCAP A-8 Type A Flat Joint Cap

  • Flat cap for wide joints up to 1 1/2 in
  • Outer coverage approx. 2 inches
  • Heavy-duty at approx. 2.5 lb/ft
WEATHERCAP B-8 Type B 90° Cove Cap

WEATHERCAP B-8 Type B 90° Cove Cap

  • Cove cap for joints up to 1 1/4 inch
  • Perpendicular anchorage only design
  • Heavy-duty at approx. 2.5 lb/ft
WEATHERCAP Portico, Bracket and Pilaster Joint Protection

WEATHERCAP Portico, Bracket and Pilaster Joint Protection

  • Protects porticos, brackets and pilasters
  • Type A & B combined for full joint coverage
  • Soft lead accommodates joint movement
WEATHERCAP A-6 Type A Flat Joint Cap

WEATHERCAP A-6 Type A Flat Joint Cap

  • Flat cap for larger joints up to 1 1/4 in
  • Outer coverage approx. 1 1/2 inches
  • Approx. 0.83 lb/ft, stocked size
WEATHERCAP Balustrade Joint Protection

WEATHERCAP Balustrade Joint Protection

  • Protects stone and masonry balustrade joints
  • Flat Type A cap for top and side joints
  • Field-cuttable 6-foot lengths

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Frequently Asked Questions

What are WEATHERCAP® pilaster caps made of?

Our pilaster caps are part of a joint protection system made from a soft lead alloy. This material is chosen for its flexibility, durability, and ability to adapt to building movement. It provides a long-lasting, weather-resistant seal that protects the underlying sealant from degradation and extends the joint's life.

How do these caps protect masonry joints?

Are these caps suitable for historic restoration projects?

Can WEATHERCAP® be painted?

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

How are the caps supplied and installed?

Are there stock sizes available?

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 landmark structures with a GSA-specified system that preserves architectural integrity and prevents moisture damage.

Government & Institutional

Government & Institutional

Ensuring long-term durability for civic buildings, monuments, and universities with our patented joint protection system.

New Architectural Construction

New Architectural Construction

Specifying superior joint protection from the start to extend sealant life and reduce long-term maintenance costs on new builds.

Commercial & Residential Masonry

Commercial & Residential Masonry

Protecting cornices, balustrades, and entrance steps from water intrusion in high-end commercial and residential projects.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Restoration Specialists Choose Weathercap

Proven on National Landmarks

Our WEATHERCAP® system is trusted to protect America's most treasured buildings, including the Washington Monument and U.S. Supreme Court.

Patented Joint Protection

The unique soft lead design (U.S. Patent 6991400) flexes with building movement, preventing sealant failure and moisture penetration.

GSA-Specified for Preservation

Specified in the GSA's Historic Preservation Technical Procedures, our system is the standard for authentic and durable masonry restoration.

Get Technical Specs & Pricing for Your Project

Submit your details to receive technical information, CAD drawings, sample specifications, and a quote for your pilaster cap and masonry joint needs.

Contact Us Today

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