Can you use modified thinset on RedGard?

Can You Tile Directly Onto RedGard? There’s no need to put another layer of product on top of RedGard before you begin tiling. A surface that has been painted with RedGard and allowed to dry is ready for you to apply thinset and install tile. You can install thinset mortar and tile directly onto RedGard.

What type of thinset should be used with RedGard?

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.

Should I use modified or unmodified thinset?





Therefore, it’s best to use unmodified thinset when working with an impervious installation membrane like Prodeso for installing radiant floor heating. It’s important to note that latex-modified thinset can still be used between the membrane and the subfloor because it is not impervious.

Can you tile over waterproof membrane?

It is safe to tile over waterproof membrane. In fact, most shower installation systems these days are designed for you to install a waterproofing membrane or waterproof backer board prior to installation. You can also install floor tile directly over the elastomeric membrane.

How do you use Red Guard waterproofing membrane?

Quote from the video:
Quote from Youtube video: Then apply the second coat of red guard at right angles to the first coat. Just a single coat of red guard can stop minor cracks from transmitting through a concrete subfloor. To the tile.

What happens if you use modified thinset on Kerdi?

Modified thinset mortars aren’t recommended for use with Kerdi because they must dry out to gain strength, whereas the membrane inhibits drying, which can lead to unpredictable results. For example, if a shower is used before the mortar has cured properly, leaks and polymer leaching can occur.

How long do you let thinset dry before applying RedGard?





Set the tile into the thin-set while it is still wet. Once the tile is set, do not touch, move, or walk on the tile for 24 hours to allow the thin-set to cure undisturbed.

What is modified thinset?

A modified thin-set mortar contains polymers formulated into the dry mix that increase its performance and strength. An un-modified mortar is simply a thin-set mortar that does not contain polymer in the dry mix.

Can I use regular thinset for pool tile?

Thin set cement mortar is recommended for a superior bond between the base and tiles. However, in it’s original state, thin set mortar is not suitable for underwater use. Waterproofing must be done before and after installation of the tiles to prevent damage to the pool and cementing bond.

How do you tile over a rubber membrane?

Include only enough water to dampen the mixture. You want the consistency of wet sand that clumps in your hand when you squeeze your fist, but if you shake your hand the mixture falls apart. Once this sets up on top of the rubber membrane, it hardens into the base for the tile.

How do you use waterproof membranes?



Quote from the video:
Quote from Youtube video: Over extensive rough or porous surfaces. Such as standard mortar bed use a grout float to ensure pores are filled. Always spread to create a continuous film at a depth of six mils.

How do you tile over a membrane?

When using the membrane:

  1. Cut the membrane to size.
  2. Apply a layer of thin-set adhesive fortified with latex to the subfloor.
  3. Roll the membrane out, and position it in place.
  4. Apply a bed of thin-set without latex additive, and set the tile in it.


Can you tile directly on RedGard?



For tile installations bonding directly to the substrate; strongly recommended to apply at least one full coat of “undiluted” RedGard® to the “dry” primed area and allow to dry completely before tile installation work is to begin.

Which waterproofing membrane is best?

Polyurethane Membranes



Polyurethanes have become the new membrane of choice when it comes to waterproofing under tiles.

What is a disadvantage with sheet membranes?

The disadvantages of sheet-based membranes are minimal. They include: Having the required size be cut to fit the area exactly. Requires special attention to seams, changes in plane or penetrations. Labour intensive application process.

How many coats of waterproof membrane should you apply?

Vapor Barrier



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.

How long does waterproof membrane last?



ten years

While basic waterproofing membranes should last at least ten years, they can last much longer given the right choice and circumstances. Conversely, poor quality waterproofing will rarely last the distance.

How thick is waterproof membrane?

Apply a 150mm wide, thick coat of waterproofing membrane centrally over areas where the bond breaker is applied.

How long does waterproofing membrane take to dry?

On average, liquid and sheet waterproofing membranes take 24 hours to dry. Sheets may take longer, but liquid membrane usually requires at least 2 coats with an average wait time between coats of 2 hours. Weather, location, surface, and required number of quotes affect the drying time.

What is a Class 3 waterproofing membrane?



RLA WPM is a waterborne flexible waterproof membrane designed for use under tiled finishes that is capable of accommodating expected structural movement.