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
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".
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".
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".
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.
Joint Sizing--Simplified
A critical element of proper joint sizing is to keep proper movement types and ranges in mind.
Types of Building Movement
Prior to selecting a cover, it is crucial to consider which type(s) of building movement your project might encounter.
Building Types: Environments To Consider
Understanding Fire-Rated Expansion Joints
Fire-rated expansion joints are necessary to maintain building safety. Here’s how to incorporate them.
Waterproofing an Expansion Joint
There are several aspects to consider that help prevent water from leaking through the expansion joint and into your building.
Questions to Ask Before Selection
Consider these topics on movement, safety, aesthetic, building resilience, and more when choosing the best cover for your building.
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
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