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Old 10-31-2017, 10:10 AM   #1
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Cassette toilet shower floor seal

Having a problem sealing the cassette toilet base to the shower floor. Have removed the toilet and reset in caulking. But still have problem with the caulking keep a water tight seal. Was thinking about taking the cassette toilet apart and screwing the toilet to the shower floor, but again concerned with making more of a problem. Was also thinking about not sealing the toilet base to the shower floor. Seal only at the wall connection. Going that way I would have to really clean/wash out any stuff after each trip. We really like the setup but know I need to fix this. Any thoughts or idea's would be greatly appreciated.
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Old 12-31-2017, 06:54 PM   #2
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Try using a polyurethane caulking like "Vulcum" if you are trying to create a waterproof seal.
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Old 01-01-2018, 09:33 AM   #3
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Could give Vulcum type or model as there are many types to pick from.
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Old 01-09-2018, 10:54 PM   #4
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www.walmart.com/ip/116-Vulkem-Polyurethane-High-Performance-Sealant-Bronze-By-Tremco/606277375?wmlspartner=wlpa&selectedSellerId=12923& adid=22222222227000000000&wl0=&wl1=g&wl2=c&wl3=424 23897272&wl4=pla-51320962143&wl5=9031300&wl6=&wl7=&wl8=&wl9=pla&wl1 0=117437149&wl11=online&wl12=606277375&wl13=&veh=s em#read-more
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Old 01-09-2018, 11:02 PM   #5
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Try the above link that I tried to insert.

It is a totally waterproof sealant that bonds to most any material that it is placed on. Wipe down the plastic surface with a cleaner first to create a good bond with no dirt or grease. I use TSP as a cleaner and it also etches the surface of anything that is glossy and opens the pours of smooth sufaces to allow it to be able to bond to the sealant when it is applied. TSP is used by painters to etch the surface of glossy items so that paint will stick to the surface and not peel off. TSP (tri sodium phosphate) can be found in most paint departments of hardware stores.

The product that would work is: 116 Vulkem Polyurethane High-Performance Sealant

Here is the description:

Vulkem 116 One-Part, High-Performance Polyurethane Sealant One-Part Grainy Textured Finish Primerless Adhesion on Most Common Construction Surfaces Durable and Flexible Seal Features and Benefits: Vulkem 116 has demonstrated superior primerless adhesion to porous substrates for 30 years, and is the choice for sealing expansion joints in commercial construction applications. It can be used exterior or interior with adequate ventilation. Vulkem 116 is also suitable for certain water immersion applications. Vulkem 116 is also rated for 25% movement capability. Vulkem 116 Sealant is a one-part moisture curing, gun grade polyurethane sealant. Vulkem 116 is durable, flexible, and offers excellent performance in moving joints. No primer is required on most construction materials, and it applies with conventional caulking guns. It is an excellent general purpose sealant designed for use in precast, masonry, glazing, window frame perimeters and similar types of construction joints. Suitable for continual immersion in water with the appropriate primer. Designed for exterior and interior use. The light grainy texture has proven very popular for matching textured substrates like stucco and masonry, and for smooth metal storefront joints the light texture blends and hides tooling marks and the wavy effect that is inevitable when tooling sealants. Color: Bronze Contents of Cartridge: 10.1 fl oz (300 ml) Vulkem 116 Color Chart Joint Design: Vulkem 116 may be used in any vertical or horizontal joint designed in accordance with accepted architectural/engineering practices. Joint width should be 4 times anticipated movement, but not less than 1/4" (6.4mm). Joint Backing: Closed cell or reticulated polyethylene backer rod is recommended as joint backing to control sealant depth and to ensure intimate contact of sealant with joint walls
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Old 01-09-2018, 11:05 PM   #6
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You can also use the same product Vulkem without the grainy stuff embedded in the sealant...it is the smooth finish look and won't have the grains. The grainy one is often used in construction joints and it has the grains for a look like concrete or grout.
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