Can I install a 68x45 stainless steel sink with an open 66x45? I m worried about load bearing and wa

If 68*45 is the installation size. That's definitely not going to fit.

The mouth is small, and it can't be put down.

The bearing depends on the thickness of your sink plate and the fastness of the stiffeners. The water leakage mainly occurs at the interface of the sewer, and the splicing points of the sewer pipe, and if you are careful when you install it, it should be no problem.

Hopefully, I'm not answering the question.

1. About load-bearing.

The first thing you need to know is whether your building structure is an old-fashioned brick and concrete or cast-in-place floor slab.

After that, you will know what your floor slab bears, and no matter what kind of structure the building is, there are design and building codes to follow.

Take the cast-in-place floor slab of the current mainstream small high-rise elevator in the market as an example:

The standard value of live load (kn m2) is distributed on the main floors

Shopping malls, corridors, halls, bedrooms, bathrooms, kitchens, ordinary stairs, crowded stairs, balconies, sky gardens.

Office Public toilets also consider step and partition loads).

Another: fire truck access 35 elevator machine room.

The standard value of live load is evenly distributed on the roof (kn m2).

The roof of the upper man does not go up the roof of the roof garden.

kn": k - thousand, n - Newton. According to the regulations, thousands should use lowercase k.

That is, kn, stipulates: the unit from which the person's name is transferred, the first letter is capitalized, and the base system of the general unit is lowercase. However, the base units above the trillion are capitalized.

n, Newton 1 kg mass 1 meter second squared.

1 Newton kgf. 1kn 1000 Newton 100 kgf. kn m2 is the pressure per square meter].

According to the weight of the objects you enumerate + water, it is not a big problem, even if it is bigger.

2. About waterproofing.

As long as you don't damage the waterproof layer, there will be no leakage, but for the sake of safety, you can do a closed water test after completion, turn off the water for 3 days, see if there is leakage below, the amount of water should not be too much, and the floor can be flooded 5cc-8cc.

Yes, but with a reinforcing ring.

Summary. Single basin sink 680 refers to the size of 680 450 220 mm of sink, where 680 represents the length of the sink, 450 represents the width of the sink, and 220 represents the depth of the sink. This type of sink is more popular in a single-basin sink, because compared with other sizes of single-basin sinks, this size can meet people's usual needs.

How big is the inner hole of the stainless steel sink 680*450.

Single-basin sink 680 refers to the sink with a specification of 680 450 220 mm, where 680 represents the length of the sink, 450 represents the width of the sink, and 220 represents the depth of the sink. This type of sink is more popular in a single basin sink, because compared with other sizes of single old basin sinks, this size can meet people's usual needs.