If your sink was simply glued to the underside of the countertop, Sink Undermounter System is needed.
Rosun garbage disposal
100% of the time, the cause of the failure is because the sink was simply glued to the underside of the countertop material—whether the material used was natural stone, engineered stone, or some of the newer “green” products that contain recycled glass and cement.
Regardless of the material that’s used for the countertop, if an undermount sink is glued to the underside of the slab, and allowed to just hang there, time and gravity will work its magic, and eventually, the sink will start to literally “peel” off the stone. The sink will start to sag and a gap will become visible (usually noticed by the customer long after the job has been completed and paid for).
Think about this the next time you want to “silicone” or “bondo” a stainless sink to the underside of the slab countertop you’re installing in a kitchen application: The glue that you use to stick the sink to the underside of the slab has to hold more than just the weight of the empty sink. The plumbing connections usually apply an amount of downward tension or pull on the sink.
Additionally, the weight of water and other heavy items placed into the sink adds to the stress in the glue that’s holding everything up in place. Now add to this the weight of a garbage disposal unit, and you have some significant downward pull on a glue joint that is supposed to hold all this up and keep it tight.
If all of this weight isn’t enough, every time your customer turns on their garbage disposal, they are adding vibration to the equation. No wonder sinks that are installed using silicone or bondo fail!
you’ll get a better night’s sleep knowing that the sinks you set today will never fall down on the job. That’s priceless!
If you are a fabricator who has been installing your sinks this way, there are much better ways to support sinks that will not allow the sink to sag or fall down over time.
The vast majority of the sinks that I have set have been used in 2cm granite applications where using studs mounted into the stone is not recommended – as 2cm stone is too thin to handle the studs in the stone.
Here are some suggestions for “better than just using silicone or bondo” to support your sinks:
2cm Stone – I always recommend that the sink be supported from underneath, using a cradle-type assembly like Sink Setters, the Sink Undermounter System, or even simple wood cleats to hold the sink up.
3cm Stone – You can use stud and/or clip type systems to mount large, as well as, small sinks. Drilling into the underside of 3cm stone is an acceptable technique that is sanctioned by the Marble Institute of America – but only for 3cm or thicker materials.
For a small investment to cover the cost of whatever system you prefer using, you’ll get a better night’s sleep knowing that the sinks you set today will never fall down on the job. That’s priceless!
Zhejiang Rosun Kitchen & Bath Technology Co., Ltd. is a manufacture of quality garbage disposer and accessories since 1992 with a registered capital of USD 1.5 million. It’s located in Yuhuan, Zhejiang Province of China, covers areas of 75,347 sq. ft, owns 129,167 sq. ft of workshop with more than 200 experienced workers and staffs.
Rosun established Disposer laboratory with an independent R&D team, together with a complete production system from moulding, casting, precision machining, polishing and assemble workshop since it’s founded, Rosun has provided professional OEM & ODM services for numerous customers overseas and domestic.
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winnie.wang@rosun.com