Are you looking for a sealant that is waterproof and stays forever?
How about I give you two names, and you choose the best one? For that, you must read my Dynaflex 230 vs. silicone review.
Both of them are industry-leading sealants having superior formula and impeccable performance. In this article, I will discuss their features and compare them with one another, allowing you to decide on the right product for your project.
So, let’s jump right in.
A Quick Comparison Table
A quick comparison table will tell you the differences between these sealants with just a glance. You can quickly make up your mind, especially if you are short on time.
Both Dynaflex 230 and Silicone are manufactured by Dap Global Inc., a manufacturer, and supplier of sealant, adhesive, caulks, foams, etc. It was founded in 1865 and had been providing high-quality products since then.
Here is a quick comparison table between Dynaflex 230 and Silicone:
Aspects | DynaFlex 230 | Silicone |
Type | Latex-Based | Silicon-Based |
Special Feature | Paint Ready In 2 Hours | Rain Ready In 30 Minutes |
Benefits | Easy Water Clean-Up | Mold & Mildew Resistant |
Usage | Window, Door, Trim & Siding Sealant | All-Purpose |
Colors Available | 10 Colors | 5 Colors |
Size Available | 10.1 Ounce | 2.8 Ounces and 10.1 Ounces |
Key Differences Between Dynaflex 230 And Silicone
Dynaflex 230 is a premium elastomeric sealant offering outstanding silicone uncompromising performance against the elements.
This sealant can endure expansion and contraction with flexibility and crack-proof performance without cracking or losing its seal.
Silicone is a premium all-purpose sealant for max flexibility. This sealant can withstand extreme expansion and contraction caused by weather and temperature with its strict adhesion.
Let’s dive deeper.
- Type
Featuring latex-based sealant, Dynaflex 230 is paintable. Use it to seal places where you need painting.
Although it lasts the longest and holds up pretty well, it can be a real mess being very hard to apply. So, you should hire an expert hand to apply it.
On the contrary, Silicone, as the name suggests, is a silicone-based sealant. Having twice the joint movement capability of Dynaflex 230 or any other sealant for that matter, Silicone will last very long.
Besides, you won’t require any painting on it.
- Features
Dynaflex 230 becomes paint-ready in 2 hours after applying, and you can seal joints up to 2 inches wide with it. Being 100% waterproof and weatherproof, you can use this sealant in the interior and exterior. Besides, it exceeds ASTM C920, Class 25 requirements.
On the other hand, being rain-ready in just 30 minutes, Silicone sealant offers maximum flexibility and adhesion. With 100% waterproof and weatherproof and other superior features, it also meets ASTM C920, Class 50 requirements.
- Benefits
Because of its excellent waterproofing and weatherproofing elements, you can use Dynaflex 230 for your home’s exterior and interior. Besides, you will get silicon-tough crack-proof performance and super flexibility.
Moreover, this low odor sealant is pretty easy to wash using water.
Silicone is well-known for its uncompromising adhesion and excellent flexibility. This low odor sealant protects surfaces from mold and mildew and won’t give you any crack or shrink.
- Usage

Dap has designed Dynaflex 230 as a sealant for windows, trim, siding, and doors. With its waterproof and weatherproof performance, it can stand any wet area.
But you cannot use this sealant near food and drinking water as it might contaminate them.
In contrast, you can use Silicone for windows, trim, siding, doors, flashing, gutters, vents, pipes, etc. Most importantly, being waterproof and weatherproof, you can use it in your bathroom and kitchen as well.
It won’t contaminate your food and drinking water.
- Available Sizes
Size is an essential factor allowing buyers to choose according to their needs. But unfortunate as it may, Dynaflex 230 is only available in one size. It comes with a 10.1 ounces cone.
By contrast, you will find two size options for Silicone, allowing you to choose between a 2.8 ounce and 10.1 ounces cone.
- Available Color
Color can be another determinant factor for many buyers. Dynaflex requires painting and is available in various colors. White, Clear, Almond, Black, Gray, Cedar Tan, Clay, Brown, Dark Bronze are the colors you choose from
On the contrary, the colors of Silicone depend on its size. You will get only Clear Silicone in its 2.8-ounce cone.
However, the 10.1-ounce cone is available in Clear, White, Light Grey, and Black colors.
Which Sealant Is Best For You?

Here’s the most critical part: you have to decide on one most suitable product. With my detailed discussion on the features and differences between Dynaflex 230 and Silicone, you should clearly define the most suitable sealant.
However, let me clear it for you. Silicone will be the best option with its benefits and excellent performance because of its all-purpose usage.
You can use it inside and outside your home, but you can also use it in your bathroom and kitchen.
Frequently Asked Question (FAQ)
Dynaflex 230 is a latex-based sealant produced by Dab Global Inc. Although offering silicon-tough seals, it does not contain any silicone in it.
Dynaflex 230 is waterproof and designed for windows, doors, trim, etc. It can withstand any wet area, but it will be best for you not to use it for showers. You can choose Silicone sealant instead.
Dynaflex Ultra is a latex-based premium elastomeric sealant. It provides silicone-like toughness and performance but is not silicone-based.
Both Dynaflex Ultra and Dynaflex 230 is a latex-based sealants. But the former is more flexible, with a movement rating of class 35 compared to the latter having a class 25 movement rating.
Final Words
So, in the end, it all adds up to one conclusion: you cannot fail to choose the right sealant for the consequences it might present in the future. I’m glad that my Dynaflex 230 vs. silicone review came in handy for you.
With all the information, you can go out there and purchase the right product without a second thought.