Category: Inserts and Connections
A.L Patterson, Inc
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Patterson has been a top supplier in the precast/prestressed industry for over four decades.  After years of offering same day service, excellent customer interaction and supplying our growing customer base, it was time for Patterson to expand. CEO Barry Fleck wanted a building that exposed Patterson’s abiding dedication to the industry and precast was the [...]

CoilBoltSelection
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Did you know that when using coil inserts for lifting and handling, only 4-strut inserts should be in used in 3/4″ or larger diameters? The above image shows 2 strut inserts for illustration purposes only. You should also know that when bolts are too short, they will only engage part of the coil threads, often [...]

Coil-Insert-Safe-Working-Load-_-110613
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Here’s a great image & chart (see above) from the 2014 A.L. Patterson Product Catalog that shows coil insert safe working load reduction factors for free edge conditions when tension loading. Free edge conditions refer to the inserts having a truncated shear cone on one side. Below, the image & chart refers to coil insert [...]

18_CR-12_Coil_Rod_High_Tensile_071613
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Typically used in concrete forming systems, ALP offers cut coil rod stocked in ½”, ¾”, 1”, 1 ¼”, and 1 ½” diameter sizes. Standard length is 144” (12 ft.). We also have coil nuts and bolts starting as low as $0.13 each! Have you requested a FREE Patterson catalog yet? Our ALP Catalog has technical [...]

CI53_ThinSlabCoilInsert
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The CI-53 Thin Slab Coil Insert is designed for lifting and handling thin precast such a thin slabs, floors, etc., where concrete thickness presents challenges in handling. Inserts should have a 3/4″ minimum clearance of the bottom face to obtain the rated loads. Inserts should be set back 1/2″ from concrete surface and have sufficient [...]

Blog4_StraightLoopCoilInsert
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With its simple design and fabrication, the straight loop coil insert is commonly used in the precast industry for bolted connections. The coil is connected to a single wire closed loop and is an economical insert used to lift precast concrete items as an anchor or connection piece. The straight loop coil insert is available [...]