How to bond two bathtubs end to end?

[maxgamerX5]

how would i glue a standard, acrylic and fibreglass bathtub to another acrylic and fibreglass bathtub, as i am making myself an extra long bathtub and i am wondering what method i would use to bond them together. any help is much obliged

 

[Irv]

Consult a boat builder. Those guys know how to work with those materials.

 

[Ian]

Good idea @Irv .

How long do you want this bathtub to be? You can buy some pretty long ones, and the additional cost may be worth the piece of mind - it's not something you'd ever want to risk failing!