10 Best Caulk For Shower Surround & Bathtub Reviews 2021

The suddenly appeared leak or moldy corners of the home bothers everyone. To make a perfect repair of those, you need to pick the best caulk among thousands of choices.

When it comes to picking up the right caulk for your problem, it is a bit tricky and tiresome. But we have a solution for you! The objective for which We’re putting our hands together and writing the piece is to guide you to choose the best caulk for shower surround.

best shower caulk reviews

Top 5 Shower Caulks Compared Head to Head:





Sashco 13010 10.5oz Sashco Sealants Clear Lexel Adhesive Caulk

– All-weather Application

– Freeze-proof

– High Elasticity

Loctite 1515861 Polyseamseal Tub and Tile Adhesive Caulk

– Instant Apply

– Best For Repair Works

– 24 hours dry time

Flex Shot Rubber Adhesive Sealant Caulk

– Great for quick fix

– 4 color options

– Suitable for RV Roof, kitchen, bath

GE Silicone 2+ Window & Door Caulk

– Eco-friendly caulk

– Fast Dry

– Freeze, Shink & Crack proof

Dap 18128 Alex Plus Acrylic Latex Caulk

– White Color

– Not good for wet areas

– Fast Dry caulk

A Brief on Caulk

Caulk is an adhesive used for sealing the corners and gaps around your house. This is generally used in the shower, kitchen, door, and windows. Different types of caulks are needed for different places.

This low-cost material made our tasks easy to seal the corner joints and other gaps as well as to enhance the visual representation of our house.

Our Best Caulk For Shower Picks:

For determining the best sealant products for shower surround, we’ve spent days researching and analyzing the products.

1. Best All-Purpose: Sashco 13010 Clear Lexel Adhesive Caulk

The Sascho Lexel Adhesive Clear Caulk is one of the most popular and efficient caulk available now.

It comes with super-elasticity that allows you to put the caulk in a moving place without any worry of further breaking or leaking.

This adhesive filler sticks to the surface firmly, making it one of the most abuse-resistant caulks available at a reasonable price point.

Also, It survives the abrasive cleaning tools and has the protection against scratches.

This is the best for people searching for a caulk that can create tight seal and survive despite using rough and harsh cleaning chemicals.

This waterproof caulk sticks to the wet surfaces as well, and thus you need not wait for the wet area to dry out. A perfect fit for bathtub!

The waterproof coating allows you to use this product outside of your home at the monsoon too.

It is made with ultra-clear adhesives with a great mold-resistant formula which protect it from mold growth for an extended period.

Plus, You can use this caulk as a replacement for adhesives as well. This caulk is more reliable than a chemically reacting adhesive as it can stick to the surface firmly as long as you don’t use caulk removing chemicals.

This all in one caulk doesn’t freeze at cold temperature thus won’t break after the freezing winter is gone. The caulk comes with 10.5-ounce pack, which is a perfect fit for the standard sized caulking guns.

If you are new to caulking or don’t want to bother if the caulk will fit your job or not, then Sascho Lexel 13010 is best for you.

Benefits & Drawbacks

  • Waterproof Sealant
  • Super Elastic & Ultra Clear sealant
  • Mold & Mildew Resistant
  • Can be Applied to the Wet Surfaces
  • Doesn’t Freeze in Cold Weather
  • Convenient for Shower & Kitchen
  • Not Good For Places where Water remains for long period.

2. Best Tub & Tile: Loctite 1515861 Polyseamseal Adhesive Caulk

The US-made Loctite Shower Caulk is highly durable and  exceptionally optimized to use in the shower interior. It comes with high adhesive strength to seal any leakage or gaps in minutes.

It is a waterproof tile caulk and allows you to use in the wet and humid surfaces.This waterproof tub specialist can survive both cold and warm water without any damage to it.

Plus, This tile caulk contains mildewcide that prevents mildew from sticking onto it. So, it keeps your floor healthy for longer period than usual.

The Loctite white caulk is long-lasting and extremely flexible, which makes it one of the best caulk for the shower.

Loctite is best for using around the shower, tiles, bathtub and kitchen sinks made of ceramic.

Benefits & Drawbacks

  • Optimized for Shower Stalls
  • Ultra Sealing Formula
  • Waterproof Caulk
  • Mildew Resistant
  • Long Lasting
  • Not Convenient if you use warm water in the shower.

3. Best Squeeze Apply: Flex Shot Rubber Adhesive Bathtub Caulk

This squeezable tile caulk doesn’t need any caulking gun to apply! If you are caulking in your own home or repairing little leakage, this caulk is the go-to item for you. You can save about 25 bucks of a caulking gun using the best bathroom caulk.

This rubber adhesive caulk won’t crack even if you apply it in a thick layer. So, compared to the other caulks, this one stands out when you have to fill a larger crack. You can use it in sandwich layers, one small bead on top of another to cover more depth.

The Flexshot is very flexible allowing the caulk to remain in places where tensional or contractional forces are common.

As it comes with a high quality mold-resistant formula, you don’t require any additional treatments to keep the floor healthy and mold free. This caulk perfectly seals the plastic and ceramic tiles and give you the perfect rubber seal.

Plus, this caulk is very handy for people who like to craft or decorate items with sticky caulks. Its tube and precise applicator ensures precise and drip free caulk application on plumbing fixtures.

Another incredible feature is that you can reuse this caulk if the cartridge has some caulk left in it.

However, you can not use it in caulking guns. So, it’s not feasible to use the caulk for a long period. That’s why we don’t recommend this caulk for professionals.

Best for quick fix jobs at cheap price as no caulk gun is required for this to apply.

Benefits & Drawbacks

  • Rubber based bathroom caulking
  • Can be Used Without a Caulk Gun
  • Reusable
  • Flexible and Long Lasting
  • Perfect waterproof seal
  • Not Suitable for Professional Works

4. Best For Exterior: GE Silicone 2+ Caulk Window & Door Caulk

This silicone sealant is a fast drying product, made from 100% silicone and entirely water resistant.

It will survive both summer and winter when used on shower doors or shower walls.

As it is very flexible when dried, this tops the list for the best silicone caulks in the market.

This waterproof silicone sealant is permanent and a perfect suit for outdoor use. Thus, you don’t need to change the caulk each year due to deterioration.

This caulk is made following the ASTM C920 Class 25 specifications. The ASTM provides the standard of the elastomeric joint sealants allowing users to rely on it without overthinking.

This product guarantees protection against mildew and mold growth for a decade. So, you need not worry about cleaning this caulk for a whopping 10 years!

This all-purpose sealant is ready for water after only 30 minutes of application. So, for making an instant repair in your busy shower, this fast drying bathroom caulk can help you a lot. And you don’t need to be worried about water damage.

Best for using on Outdoor exposed to both heat and cold temperature. The unique feature that sets it apart from other products is its high resistance against mold & mildew.

Benefits & Drawbacks

  • Heat & Water Proof
  • Made of 100% Silicone
  • Ideal for Shower Exterior Sealing
  • Flexible Against Heat and Freezing Cold
  • Mold Resistant
  • Low curing time
  • Did not find any bad thing of it.

5. Dap 18128 Alex Plus Acrylic Latex Caulk

If you are looking for a paintable caulk for your bathroom, then this premium caulk will come at #1 against all other acrylic caulks of this list.

You can paint on this caulk after 30 minutes of application that allows you to do the painting and decorating work faster than ever.

The manufacturer made it mold and moisture resistant so that the caulk remains the same for a long time with its superb quality.

The moisture-free coating survives different types of painting chemicals and act as a shield against any kind of mild abuse on it. Plus, it acts as a waterproof barrier as well.

The manufacturer also provides 35 years of durability guarantee. So, it clearly indicates that the caulk is long-lasting and well made for different weather conditions.

Plus, it complies with the ASTM Spec C-834-91 which authenticates its validity and effectiveness.

This caulk is white when it is first used and can be painted afterward for aesthetics.

Best for using with paint. Dries fast and paint looks natural when applied on this compared to colored caulks.

Highlighted Features

  • Paintable Caulk
  • Prevent mold & mildew
  • 35 Year Durability
  • Can be used in Both Interior & Exterior
  • Complies With ASTM Spec C-834-91

6. Sashco 10016 Big Stretch Flexible Caulk

Saschco 10016 caulk is incredibly flexible. Rather than cracking in tensional force, it stretches.

This USA made long-lasting caulk dries fast, allowing you to do the work quicker and smoother. The fast-drying caulks are best for outdoor and flexible surfaces because of the uncertainty of the weather.

You can use this sealant on metal to seal any crack on it. The caulk will work fine for temporary protection of the metal.

This caulk is also a paintable one but not as optimized as DAP 18128.

You can paint this sealant after seven days of applying it on the surface. You can see the difference now, Can’t you? 30 minutes wait period vs 7 Days! A huge difference, indeed.

Highlighted Features

  • Paintable Caulk
  • Crack free caulk
  • Long-Lasting
  • Good For Vinyl Siding
  • Made in USA
  • Dries Fast

7. Best Clear: GE GE284 Silicone 2+ Kitchen and Bath Caulk

This caulk is clear and has minimal effect on the high-end metal finished works. It is 100% silicone, meaning the caulk creates watertight seal and handy for the wet areas.

You can expose the caulk to the water within 30 minutes of the application, making it one of the best caulk for shower. Low curing time, isn’t it?

The fast dry formula is quite handy when you have to use the kitchen sink or bathtub faucet within a few moments of caulking.

This is a crack and shrink-proof caulk allowing the user to use it in the places with expansion and contraction behavior. It is ideal for a wide variety of bathroom and kitchen areas.

Since you can use this as a glue tube and do not need any caulking gun, you can apply the caulk with ultimate precision.

It is claimed as a low odor, and low volatile organic compounds (VOC) caulk means you’ll not feel uncomfortable using this waterproof silicone caulk.

The caulk will work with all its power even if it is exposed to extreme heat.

So, you can use this silicone made caulk on the outdoor also which is exposed to the direct sunlight.

Best for outdoor repair jobs as this one is also a squeeze apply model. But Flex Shot Rubber Adhesive caulk is better than this GE caulk when you consider squeeze application only.

Highlighted Features

  • 10-year Mold Protection
  • Fast Dry Within 30 Minutes
  • 100% Silicone and Waterproof
  • Low in Smell
  • Shrink and Crack proof
  • Use Without Caulking Gun

8. Color Matched Caulk by Colorfast

The Colorfast Ind. made caulk is one of our top 10 picks for the caulks and comes at number #1 when it comes to the versatility of colors.

The best thing about this colored caulk is its versatile caulk color options. You get as many as 31 different color options on this.

Adding to that, this siliconized acrylic latex caulk is convenient for both indoor and outdoor usage, which made it one of the most popular caulking tubes.

It comes with a standard 10.3 oz. cartridge tube allowing you to apply the caulk with a caulking gun pretty easily.

If you are looking for both the essential features like mildew resistance and color options, this is a go-to for you. It also features moisture and UV protection which, in our opinion, is an excellent addition to the material.

You can buy from 31 color variants this caulk comes with to apply in your bathroom tiles floor.

This one stands out among all other contenders with its 31 different color variants. If you paint the surface anyway, then DAP is better product than this Colorfast caulk.

Highlighted Features

  • Multi-Colored Polymer Caulk
  • Good For Indoor and Outdoor use.
  • Moisture and UV resistant
  • 31 Different Color Options
  • A bit hard when dried
  • 10% more waste than the regular caulks

9. Tremco 116 Vulkem Polyurethane High-Performance Sealant

For the people looking for a perfect construction-grade sealant, this Tremco primerless adhesive is a great deal for them.

It features some unique characteristics that can not be found in any other caulks. Because of its unique features and application, it can’t be used widely on any type of surfaces.

This polyurethane sealant is one of the most flexible products in its category. The company claims 25% movement capability of this adhesive caulk.

Adding to that, you can use this caulk both indoor and outdoor, but you have to keep in mind one crucial thing. The surface where you are putting this sealant must be well ventilated for the best result.

Apart from that, its chemical vapor is a thing that must be taken into consideration when applying on an indoor surface. Make sure you do not need to reside there for at least a week after application.

It is highly flexible and do not need any primer for using it.

Though it is one of the feature-rich products of its category, it falls behind for its horribly slow curing time. It takes 6 hours to dry up the upper layer and 30 hours for full dehydration.

Please note that this is not a regular caulking tube; instead, it should be used on masonry, precast, and other construction-related things.

Highlighted Features

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