Overview
PROS
CONS
Our Top Choice
Great Stuff Gaps and Cracks Insulating Foam Sealant
Great Stuff is all about caulks and sealants. Its Gaps and Cracks Insulating Foam Sealant forms a permanent air-tight seal in most construction materials.
Permanent weather-tight seal. Good adhesion to building materials. Can be used indoors or outdoors.
A bit pricey because of the quality make.
Best Value
3M Black Super Weatherstrip Adhesive Tube
3M addresses challenges of everyday living with a childlike curiosity. The 3M Black Super Weatherstrip Adhesive Tube is a strong rubbery adhesive that can withstand vibrations.
Comes with 2 pairs of gloves. Can hold rubber and paper gaskets. Good value for money.
Cannot work on concrete and metal.
Dicor EPDM Self-Leveling Sealant for Manufacturers
Since 1984, Dicor has been a leader in the supply of premium roofing products. Its Self-Leveling Sealant for Manufacturers helps create a watertight seal.
Works on a number of materials. Remains flexible even after drying out. UV stabilized.
A bit pricey because of the sealant’s capability.
Flex Seal Liquid Rubber Sealant
Flex Seal has been in the businesses of sealants for many years, striving to bring the best products that truly work. The Liquid Rubber Sealant seals out moisture, water and air.
Stops vibrations and noise. Prevents rust and corrosion. Chemical and mildew resistant. Affordable.
Doesn’t work well on metal and PVC.
Dap Alex Plus Acrylic Latex Caulk with Silicone
Through acquisition and innovation, Dap continues to expand its product base. The Alex Plus Acrylic Latex Caulk with Silicone is great for caulking around door frames and windows.
Affordable. Secure and sturdy construction. Excellent adhesion to wood, metal and ceramic.
Not long-lasting.