Can I use unmodified thinset over Redgard?

You can install thinset mortar and tile directly onto RedGard. For best results, mix mortar in small batches and apply it to the shower wall a small area at a time. Use a notched tile trowel to spread mortar whenever you are tiling over RedGard.

What is the best thinset to use over RedGuard?

The Flexbond modified thinset, which is sold at HD, lists redgard as one of the surfaces it can be applied to and therefore, following manufacturer recommendations, a person should be using a modified thinset like Flexbond over Redgard.

Can you mud over Redgard?

Nothing is going to stick to the caulking, including your Redgard. It is far better for you to paint the Redgard over the edges of the Durock or other cement board in order to create a completely waterproof barrier.

Is unmodified thinset waterproof?

As far as I understand they require us to use unmodified thin set when using Kerdi™ boards or the like. Because they are waterproof, in case you would use modified thinset this will trap the moisture between the Kerdi and the tile.

When can you tile over RedGard?

Allow the RedGard membrane to cure for 1 to 1 1/2 hours. The color will turn from pink to a solid red sheet with no pink spots when it is fully dry. It is most important that you wait for the color of the product to turn completely red as ambient conditions will make the dry time vary.

How many coats of RedGard can I put on?

When dry, apply at least one full coat of RedGard® to the primed area. When used as a vapor barrier, apply one full coat (20 to 25 mils wet) where vapor transmission is up to 8 lbs per 1000 sq. ft per day and two full coats (20 to 25 mils wet each coat) where vapor transmission is up to 12 lbs per 1000 sq. ft per day.

Should I use modified or unmodified thinset for shower walls?

WarmlyYours Radiant Heating recommends modified thinset mortar for nearly all tile and stone installations. However, if you’re using a Prodeso Installation Membrane, you’ll want to go “old school” and stick with unmodified thinset.

How long before can tile over waterproofing?

It is not unusual to hear of a water-based membrane being applied one day and tiled the next day. However, the majority of water based waterproof membranes require a minimum of 48 hours prior to tiling.

How long do I wait between coats of RedGard?

It typically takes 1-1.5 hours to turn completely red. After the first coat turns red, inspect the film for integrity and fill any voids or pinholes with additional material. Apply a second coat at right angles to the first coat.

How thick should RedGard be on a shower wall?

Combined dried coatings must be at least 30-35 mils thick. When wet, the combined coatings must be at least 60-70 mils and must not exceed 125 mils wet-film thickness. RedGard® is dry when it turns solid red, with no visible pink color.

Can you use RedGard on shower pan?

The RedGard Roll On Waterproof Shower Pan Liner Kit is another option in waterproofing and building your tile shower the right way from the bottom up.

Can I use modified thinset over Schluter?

In general, we don’t recommend the use of modified thin-set mortar to set tile over the membranes because these mortars must air dry to cure properly.

Should I use modified thinset or unmodified?

It Depends On What You Are Installing Remember, thinset needs moisture in order to harden and achieve enough strength and resistance. If you are installing a backsplash or wall tiles, a modified thinset is an excellent choice. If you are working with waterproof elements, then unmodified thinset is likely your best bet.

How do you use thin set in redgard?

Allow the thin-set to set up for 5 to 10 minutes. Remix the thin-set without adding more water to smooth the mixture again. Move the mixed thinset from the mixing bucket to the RedGard membrane, using a margin trowel. Apply enough thin-set to cover an area that is about 3 feet by 3 feet square.

Can you use unmodified thinset between membrane and subfloor?

However, the unmodified thinset needs to be used between the membrane and the tile, instead of the membrane and the subfloor. What does modified thinset mean? Thinset is categorized as either unmodified or modified. An unmodified thinset mortar means that it does not contain polymer within the dry mix.

Can I use flexbond thinset over redgard?

Moreover, the Flexbond modified thinset (sold at HD, for example) specifically lists redgard as one of the surfaces it can be applied to and therefore, following manufacturer recommendations, a person should be using a modified thinset like flexbond over Redgard.