Will this work under the tracts of a steel shed placed on cement to keep water out?

Yes it will work. Place caulking between metal and cement ,then seal along the edge on the outside of metal strip. Very little shrinkage even after it drys.

Can I use it for expansion joints on the exterior concrete block walls?

Probably not. It is flexible but I don't think it will Last very long.

Does this clear dry more of the "milky/opaque" clear, vs the crystal clear/transparent?

it dries clear cant hardly tell its on there but takes awhile to dry clear<

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12 Pack of 10.1 Oz Dap 18305 Dynaflex 230 Clear Premium Window, Door, and Trim Sealant

12 Pack of 10.1 Oz Dap 18305 Dynaflex 230 Clear Premium Window, Door, and Trim Sealant

Product ID: 99706005

Details

Brand
DAP
Color
Clear
Full Cure Time
72 hours
Item Weight
10.1 ounces
Liquid Volume
10.1 fluid

🎨Paintable & easy clean-up

💧Waterproof sealant

🛠️Crack-proof & flexible

$242.98

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Seal smart, live stylish—because your home deserves the best!

EFFORTLESS FINISH - Paintable surface with low odor and water clean-up for a flawless, professional look.
WIDE GAP COVERAGE - Seals joints up to 1 inch wide—perfect for windows, doors, and trim.
FLEXIBILITY THAT LASTS - Silicone-based formula ensures crack-proof joints even in extreme conditions.
MOLD MILDEW RESISTANT - Protect your space with a sealant that fights mold and mildew for lasting freshness.
ULTIMATE WATERPROOF DEFENSE - Keep your home dry and damage-free with a seal that stands the test of time.

The DAP Dynaflex 230 Clear Sealant is a premium, silicone-based caulk designed for professional-grade waterproof sealing around windows, doors, and trim. It offers superior flexibility, crack resistance, and can seal gaps up to 1 inch wide. Paintable and easy to clean with water, it cures to a mold- and mildew-resistant finish, meeting stringent ASTM and federal standards for durability and performance.

Specifications

ASIN	B002YCD6GC
Best Sellers Rank	#45,893 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #140 in Adhesive Caulk #21,326 in Hardware
Brand Name	DAP
Color	Clear
Customer Reviews	4.4 4.4 out of 5 stars (640)
Full Cure Time	72 hours
Included Components	Dap - 7079818304 - 12/Pack
Item Form	Paste
Item Type Name	Dap - 7079818304 - 12/Pack
Item Weight	10.1 ounces
Liquid Volume	10.1 fluid ounces
Manufacturer	DAP
Material Type	Synthetic Elastomer or Rubber
Maximum Gap Fill	1 inches
Model	Dap - 7079818304 - 12/Pack
Number of Items	12
Number of Packs	12
Part Number	Dap - 7079818304 - 12/Pack
Surface Recommendation	Window
Temperature Range	40 °F
UPC	070798892026
Unit Count	121.2 Fluid Ounces
Warranty Description	Warranty
Water Resistance Level	Waterproof

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Received my product in pristine condition. Great service overall.

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$242.98

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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