Metal Keyway For Concrete Slabs

The slab may be too thin.

Metal keyway for concrete slabs.

The general center strip k33 is fabricated in 18 and 20 gauge metal for 5 to 10 slabs. This provides better load transfer over round dowels and also reduced edge curl in slabs. Any wood insert in concrete such as a keyway should be well soaked in water prior to concrete placement or be resin sealed. This product is for use in concrete flatwork as a control or construction joint.

Keyways are formed with templates of metal or wood. Is that true or will it be ok. In this video i take you along as we pour a 36x46 concrete slab for a steel building to go on. The false form k30 is fabricated in 18 gauge metal for 8 to 12 slabs.

I m having a 24 x 18 4 slab poured tomorrow and the concrete guy said to use a keyway on the middle to have something to straight edge by and also be used for an expansion joint. Though the installation of keyway joint does not appear to increase the load transfer efficiency of longitudinal joint it proves to help reduce the deflection of concrete pavement. Keyways are not recommended for thin slab less than 250mm thick because of the difficulty in construction. It is a stay in place metal keyed control joint former.

To place an order or request more information please contact a sales representative. We will go back after a few days and saw cut lines through. The small amount of concrete above the keyway in a 4 or 5 inch thick slab offers less resistance to spalling than in a thicker slab. If keyways are to be used in such circumstances it might be well to thicken the edge to 6 inches and use a keyway made for a 6 inch thick slab.

Reduces edge curl on slabs. Manufactured of 24 gauge g60 hot dipped mill galvanized steel. Quickey is a stay in place metal keyed control joint former. It has square knockouts for square and round dowels.

Qk35 is used in concrete applications. We offer a galvanized keyfold joint system for concrete slabs in depths of 3 4 6 8 10 and 12. Metal screed joint keyway concrete accessories. 16 gauge avail able on special order.

Standard steel forms are often constructed with a keyway in place. K30 and k33 metal keyway center strip metal keyways are available to form keyways along longitudinal and transverse joints in concrete slabs. Keyfold joint systems. Using the quickey system reduces installation time and provides for a smoother level pour.

The slab is for a room addition. Meets aci and pca recommendations. Proper steps for using screed key joints in concrete slabs to make pouring multiple slabs of concrete more efficient screed key joints can be used. These relatively simple tools not only allow for multiple slabs or strips of concrete to be poured at once but they also minimize the risk of cracking within your slabs.