ᐅ Sealing Tape for Bathtubs – Which Trade Specialist Should Install It?
Created on: 11 Jan 2018 22:19
S
SebastianSch
Hello everyone,
we currently have the problem that our construction company is complaining that the plumbing company did not install a waterproofing tape on the bathtub, which is already permanently installed. The plumbing company says they have never done this before, do not consider it their responsibility, and refer us to the tiler. Now the URGENT question for us is: which trade is responsible or must carry out this work?
Many thanks in advance!
we currently have the problem that our construction company is complaining that the plumbing company did not install a waterproofing tape on the bathtub, which is already permanently installed. The plumbing company says they have never done this before, do not consider it their responsibility, and refer us to the tiler. Now the URGENT question for us is: which trade is responsible or must carry out this work?
Many thanks in advance!
BOB der 1.12 Jan 2018 09:25That’s exactly where the problem lies. Installing a bathtub does not include preparing the wall connection. If this is not specified in the offer, they will not do it! They are not obligated to, according to the Chamber of Crafts Kaiserslautern.
The sealing tape, which is actually a decoupling strip, is not described in the offer either, so it was not installed. But... this is poor workmanship. They should inform you about this or discuss that this is the proper procedure.
Just the statement that it has never been done... that’s not very professional, in my opinion.
LV = bill of quantities (can also be called a specification sheet), which is created based on what you want and then you receive an offer accordingly.
The tightness of your bathtub is not their responsibility; that is the tile installer’s job. The tile installer creates the bond between the bathtub, adhesive, and tiles—not, as many assume, the silicone. Silicone joints are purely maintenance joints and typically come with a warranty of 2–5 years depending on the contract type. This relates to building codes and regulations... it’s a bit tricky.
Talk to the plumbers and involve your tile installers. Document who ultimately did what, and that should be fine.
Believe me... there is no longer any such thing as a fixed price or standard scope in construction.
The sealing tape, which is actually a decoupling strip, is not described in the offer either, so it was not installed. But... this is poor workmanship. They should inform you about this or discuss that this is the proper procedure.
Just the statement that it has never been done... that’s not very professional, in my opinion.
LV = bill of quantities (can also be called a specification sheet), which is created based on what you want and then you receive an offer accordingly.
The tightness of your bathtub is not their responsibility; that is the tile installer’s job. The tile installer creates the bond between the bathtub, adhesive, and tiles—not, as many assume, the silicone. Silicone joints are purely maintenance joints and typically come with a warranty of 2–5 years depending on the contract type. This relates to building codes and regulations... it’s a bit tricky.
Talk to the plumbers and involve your tile installers. Document who ultimately did what, and that should be fine.
Believe me... there is no longer any such thing as a fixed price or standard scope in construction.
BOB der 1.12 Jan 2018 10:17Take a look at DIN 18534.
Section 4.1.9.
As a rule, a 20-year waterproofing durability is assumed... which is why silicone is not considered a seal.
8.5.2
Where waterproofing is applied.
And the introduction of the DIN standard specifies who is responsible, but it does not say that your plumber MUST apply a sealing tape... since the tiler can also use slurry or waterproofing membranes.
So, it’s difficult to make general statements... it’s easier to talk about it directly.
Section 4.1.9.
As a rule, a 20-year waterproofing durability is assumed... which is why silicone is not considered a seal.
8.5.2
Where waterproofing is applied.
And the introduction of the DIN standard specifies who is responsible, but it does not say that your plumber MUST apply a sealing tape... since the tiler can also use slurry or waterproofing membranes.
So, it’s difficult to make general statements... it’s easier to talk about it directly.
There are still plenty of plumbers and tilers who are not aware of the importance of waterproofing ("We didn’t either 20 years ago"). That’s why coordination is one of the typical tasks of a site manager. For example, a plumber didn’t waterproof around a bathtub at a friend’s house, and the tiler afterwards chose cutouts around the bathtub fixtures that were too large for the escutcheons.
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