The company has a group of cooperation teams engaged in the bitumen impregnated fibreboard industry for many years, with dedication, innovation spirit and service awareness, and has established a sound quality control and management system to ensure product quality.
Expansion joints are primarily designed to facilitate the movement in structures caused by temperature induced expansion and contraction. They also help extend the life of concrete structures by providing some “give” in the movement of the structure. Expansion joints can be used in parking garages, overpasses, roadways, sidewalks, piping structures and railway tracks.
There are many types of expansion joints. This guide will help you understand the differences, so you can make an informed decision for your next construction project.
There are two types of foam expansion joints: Preformed closed cell foam and Impregnated open cell foam joints.
Both systems require an epoxy adhesive which bonds the foam joint seal material to the header/substrate material.
Image: Expansion Joint offered by CEVA Systems is a closed cell foam with epoxy based adhesive
Benefits:
These Joints are Found on:
These kinds of joints are typically classified as neoprene or cellular, both of which are installed using a lubricant which also serves as an adhesive. These joints are designed to accommodate movements of less than 2 1/2” and do not permit staged construction.
Benefits:
These Joints are Found on:
They are typically made of thermoplastic materials; these joints behave like a compression seal but have additional “wings” incorporated to provide secure attachment. These systems require additional manpower (5-6 people) for installation and do not accommodate staged construction or customization.
Benefits:
These Joints are Found on:
Made of neoprene thermoset rubber that is air pressurized and bonded in place with epoxy. These systems can also take up to 5-6-man crews for installation and do not accommodate staged construction or customization.
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A rubber elastomeric seal mechanically locked between two steel edge members providing a watertight sealing system that is cast-in-place. Can typically accommodate movements up to 4”.
Benefits:
These Joints are Found on:
FOAM
USES
ADVANTAGES
Phyzite 380 E.S.P. with HALS
Control joints, seismic joints, watertight gaskets
UV stable
Chemically resistant
No limitations on skew
Large movement range
Chemically inert
MetaZeal
Control joints, seismic joints, watertight gaskets, roof joints
Ability to handle excessive heat- 212º F.
MetaZeal AJ
Control joints, seismic joints, watertight gaskets
Ideal for indoor joints
Chemically inert
No limitations on skew
Large movement range
EvaSeal
Pressure relief joints, cast in place filler, secondary seal
Good chemical resistance
Highly flexible
Custom cut to any configuration
Expansion joint systems are critical to the longevity of any project. Developed in conjunction with architects, engineers and contractors, Chase Corporation’s CEVA Joint Systems provide a cost effective and easy to install solution, resulting in both labor and material cost reductions. Measuring expansion joints can be tricky, read our guide!
Contact us if you have questions.
If you have any questions on bitumen impregnated fibreboard. We will give the professional answers to your questions.
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