Polished Concrete Floor Expansion Joints

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Polished concrete floor expansion joints.

These are the joints that we come across most often in warehouses and industrial buildings. Saw cut contraction joints are ideal for decorative concrete because the joint is narrower and cleaner than a tooled joint. Spec sheet on pouring concrete suitable for polishing concrete must be laid extremely well and flat. Check out our website polished concrete showroom.

Make sure concrete is floated up to the edge of the wall. Expansion joints on the other hand are true structural joints separating different sections of the building typically used to accommodate thermal and moisture expansion in concrete. Filling in expansion joints in polished and stained concrete floors provides an easier to clean surface and a smooth and finished joint where debris or dirt could gather. Early entry saws make a nice clean cut for decorative concrete joints.

Joint spacing in feet contraction joints may be tooled into the concrete surface at the time of placement. Epoxy or polurea fillers are used to protect the exposed joint edges from impact and spalling by allowing load transfer across the joint. While in theory you can cut an expansion joint in concrete at any time it s better if this is a planned task. Concrete expansion joints are used to separate slabs and concrete from other parts of the structure.

Polished concrete floors in melbourne for homes factories commercial properties. Joint fillers also provide maintenance and aesthetics benefits by creating a sealed uniform surface free of open voids. Note that flexible expansion joint filler does not protect the edge of the slab from damage. 1300 476 547 showroom.

Joints are commonly spaced at distances equal to 24 to 30 times the slab thickness. When used in conjunction with polished concrete joint filler is ground and polished smooth to provide a seamless floor that is not only protected but easier to clean. Joint spacing in meters. 03 9761 5233 showroom by.

Un bonded concrete screeds should be a minimum thickness of 75mm. An expansion joint is a joint left completely free of mortar and filled with elastomeric sealant to keep it watertight. As the name implies the expansion joint is a straight line groove cut into the surface of the concrete floor using a concrete saw. This type of concrete joint filler can be used in new construction in control joints or in existing concrete floors where traffic is high and concrete joints need protection.

For uniformity all rooms should be poured together and partition walls installed after the concrete is polished. Joint spacing that is greater than 15 feet require the use of load transfer devices dowels or diamond plates. For tips on this check out bob harris s video or get a copy of his guide to stamped concrete joints are covered in chapter 23.