Self-expanding foam is a unique type of material that can plug gaps and holes in buildings. It’s like magic foam that expands to fit the available space. Haohai self expanding foam is perfect for all your home or workspace insulation needs.
Ever wonder where those little holes or cracks in your walls or doors came from? These small gaps may contribute to air leaking in and out, which helps make it more difficult to keep your home warm in the winter and cool in the summer. But with Haohai's expanding foam, selfdetail can easily and conveniently be filled in those gaps to ensure your house stays warm no matter the time of year.
Insulation is kind of like a giant warm blanket for your house. It keeps the heat in during the winter and the cool air in during the summer. Haohai’s self-expanding foam is considered the best insulation a home can have because it fits tightly in building cavities from the inside to the outside. It gets and stays the perfect temperature in your house all year round, winter and summer, because of our remarkable foam.
Leaks around windows and doors can allow cold air to enter, and raise your energy bill. With Haohai’s self-expanding foam, however, you can close up those leaks in no time. Just spray the foam into gaps and other openings, and see it expand for a snug seal. Or cold drafts and a high electric bill for that matter!

Do you like to create or fix things around the house? Haohai self-expanding foam is great for all your Dyi projects at home. Whether you’re crafting a birdhouse, building a dollhouse, or fixing a pipe, our foam is a must-have for your toolbox. Just spray it on and let it expand and do its thing!

Spray Foam – Insulation foam expanding seal foam that fills, seals and insulates Non shrinking foam for airtight and moisture resistant Seal around water and electrical lines to help prevent water or air penetration.

Haohai’s self-expanding foam not only fills gaps and cracks, it makes air tight seals in your home. That way, no air can leak in or out, keeping your home comfortable and energy-efficient. And even better, our foam is excellent at dampening noise, meaning you can enjoy a more peaceful, quieter home. Say goodbye to loud Neighbors and hello to a nice living space with our cool foam.
Our products are produced using most Self expanding foam materials They surpass their competition in terms of strength and performance They are highly trusted by both domestic and foreign customers
Self expanding foam its beginning from August, 2000 Haohai has maintained its steady and rapid growth trend. It has now become a "Advanced Enterprise and Civilized Unit for technological innovation" as well as obtaining the ISO9001:2015 certification for quality systems. The secure quality management system as well as the modern equipment and experienced staffs make our products with stable quality.
Our Self expanding foam is thorough and attentive Our customer service team is qualified to resolve customer's problems The well-known customer service system and technical support enable us to offer a flawless service
We offer a range of products like Duct Panels, PU Foam Stonefix adhesive foam Polystyrol spray adhesive, Self expanding foam Adhesive Foam and aerosols for personal car care, personal care home care, auto care. We are now making OEM products for many well-known companies around the world.