Table of Contents
How do you seal brick expansion joints?
Expansion joints must be sealed with a flexible sealant, like QUIKRETE® Self-Leveling Polyurethane Sealant or QUIKRETE® Non-Sag Polyurethane Sealant…or an expansion joint strip, to prevent water from penetrating the joint and deteriorating the sub-base.
Do I need an expansion joint in concrete slab?
Expansion joints are virtually never needed with interior slabs, because the concrete doesn’t expand that much—it never gets that hot. Expansion joints in concrete pavement are also seldom needed, since the contraction joints open enough (from drying shrinkage) to account for temperature expansion.
What is the use of mastic pads?
Mastic Pad Applications: External wall cladding: Filling structural expansion & structural separation joints in block & insitu concrete construction. Traffic surfaces:Filling expansion joints in motorways,roads,runways,pedestrian areas, bridges, curbs etc.
What is the best expansion joint sealant?
The best option for sealing horizontal expansion joints is QUIKRETE Self-Leveling Polyurethane Sealer. Self-Leveling Polyurethane Sealant is a highly fluid and flexible sealant that will stretch up to 800 percent without failing.
How do you waterproof concrete expansion joints?
Because of this, Expansion Joints need to be filled with a pliable material that prevents the rainwater from seeping through. This material could be polyurethane or Silicone Sealants – the latter being a long lasting solution that we suggest to our clients here at Seal’em Solutions Australia.
What material is used to fill expansion joints?
The material used for expansion joint fillers include low viscosity epoxy resins, silicone gels, and cork and woods such as southern yellow pine, redwood, or western cedar.
What is the black strip between concrete?
Expansion material is placed between sections of concrete. It’s that black stuff you see between concrete slabs sometimes if a contractor doesn’t put a sealant on top of it.
What is expansion joint filler?
Expansion joint filler is a term used to describe a group of weatherproofing products intended for use as an aesthetic or functional expansion joint sealer agents in gaps in concrete slabs, walkways, decks, bridges, and sidewalks, for instance.
What is Shalitex board?
Shalitex Expansion Joint Filler Board is a pre-molded, high-performance joint filler board. It is a closed-cell and of cross-linked structure. It is an exclusive product specially designed to be used as expansion joint filler in concrete, brick, blockwork, and isolation joints. It is rot free and contains no bitumen.
Should I caulk my concrete expansion joints?
Even expansion joints in your concrete driveway should be caulked. They can be the biggest culprit of water under your slabs. Notice how the caulking is slightly lower than the concrete slab around it. This protects the caulk from wear and tear of people walking and driving over it.
Do concrete expansion joints need to be sealed?
Expansion joints need to be sealed periodically to protect against water, dirt, and debris. These elements can hurt the structural integrity of concrete over time. Water can also lead to mold and interior leaks that are costly to repair.
What is the CS expansion joint cover?
The CS Expansion Joint Cover team worked closely with HNTB to create a unique system of stair risers and treads to ensure that fans, students and athletes would be safe in the event of a seismic event. This distinctive project required careful consideration of the location of the cover.
How do I choose the right expansion joint cover?
When it comes to expansion joint cover selection, you’re not alone. We’ve got you covered with guides on sizing, waterproofing, fire barriers, building movement, and more. A critical element of proper joint sizing is to keep proper movement types and ranges in mind.
Why is it important to pass inspection on expansion joint covers?
Understanding the proper protocols when it comes to expansion joint cover installation is crucial to pass inspection, as well as to ensure safety. Watch the Construction Specialties videos to learn more about expansion joint cover system testing and installation.
What are fire-rated expansion joints and why are they important?
Fire-rated expansion joints are necessary to maintain building safety. Here’s how to incorporate them. There are several aspects to consider that help prevent water from leaking through the expansion joint and into your building.