Moisture protection from the top down

Our roof expansion joint cover line has extensive model options for flat and built-up roofs including flexible seal, metal, and seismic. Our metal and bellows roof covers expand and contract for multi-directional movement.

Types of Roof Covers

Expansion Joint Covers Roof Covers RJT
Allway™ Metal

This aluminum roof cover is comprised of extruded aluminum components, injection molded turn bar, Duroflex gaskets and a polyethylene vapor barrier. It is ideal for applications where exterior seals are used in walls and watertight transitions are critical. Joint sizes range from 1" to 2".

See more
Expansion Joint Covers Roof Covers BRJ
Flexible Seal

This flexible roof cover utilizes a malleable membrane and can be used in built-up, flat or sloped roof applications. An optional waterstop is available. Joint sizes range from 1" to 16".

See more
Expansion Joint Covers Roof Covers MARC
Seismic Roof Covers

This aluminum roof cover is ideal for seismic applications and ensures a watertight transition where exterior wall seals are installed. The system is available with custom, factory-made transitions to ensure watertight results. Joint sizes range from 3" to 36".

See more

We've Got it Covered

When it comes to selecting floor expansion joint covers and expansion joint cover strips, you're not alone. We've got you covered with guides on sizing, waterproofing, fire barriers, building movement, and more.

Expansion Joint Covers Joint Sizing Simplified
Joint Sizing--Simplified

A critical element of proper joint sizing is to keep proper movement types and ranges in mind.

Learn more
Expansion Joint Covers Types of building movement
Types of Building Movement

Prior to selecting a cover, it is crucial to consider which type(s) of building movement your project might encounter.

Learn more
Expansion Joint Covers Joint Sizing Simplified
Building Types: Environments To Consider
When selecting an expansion joint cover system, it is important to consider the location and usage before a selection is made.
Learn more
Expansion Joint Covers Understanding fire rated expansion joints
Understanding Fire-Rated Expansion Joints

Fire-rated expansion joints are necessary to maintain building safety. Here’s how to incorporate them.

Learn more
Expansion Joint Covers Waterproofing an expansion joint
Waterproofing an Expansion Joint

There are several aspects to consider that help prevent water from leaking through the expansion joint and into your building.

Learn more
Expansion Joint Covers Questions to ask before selection
Questions to Ask Before Selection

Consider these topics on movement, safety, aesthetic, building resilience, and more when choosing the best cover for your building.

Learn more

Better Solutions

We understand that every project has its own special movement criteria, and that one of our standard designs may not be right for your project. We have a team of technical experts that can work with you to design a custom cover that meets your project’s specific requirements.

See examples of our custom solutions

Expansion Joints Covers Custom Stair Risers and Treads

Online Store

Get our most popular models delivered to your door.

It's quick and easy.


Firestop Contractors International Association
Firestop Contractors
International Associations
US Resiliency Council
U.S. Resiliency Council
Rating Building Performance in Natural Disasters

By continuing to browse or by clicking ‘Accept’, you agree to the storing of cookies on your device to enhance your site experience and for analytical purposes. To learn more about how we use the cookies, please see our privacy policy.