Excuse me, have you ever noticed of Pir sandwich panels? They might sound like what a pirate might keep in his lunchbox, but they are actually super, dual-purpose building materials that help to make our homes and schools nice and warm! We hope you’ll stick with us and find out more about how Pir sandwich panels work and what makes them so incredible!
Think of a tasty sandwich with two slices of bread and all you want stuffed in between. That is kind of how Pir sandwich panels work, except instead of having bread and filling, they have two outer layers, ‘bread,’ and something called Pir (the yummy filling). This Pir is what makes these panels so effective at keeping buildings warm in the winter and cool in the summer.
Pir sandwich panels are not only excellent insulators of buildings, but they are also very efficient and reasonably priced. They are, in short, very effective at maintaining the exact temperature inside with minimum waste. And for they’re so efficient they can help save money on heating and cooling costs too!

Buildings that are well-insulated don’t need a lot of energy to keep things warm or cool. This is where Pir sandwich panels come in. When you use these panels in your constructions, you can improve your building’s energy efficiency and decrease your carbon footprint. That means you get to help the environment while also saving money — how cool is that?

Pir sandwich panels are available in many different shapes and sizes, and can be used in a wide variety of buildings. Be it a school, a hospital, a factory, or even a house, Pir sandwich panels can ensure that your building remains cool in the summer and warm in the winter. And on top of that, they’re extremely easy to install, so builders and architects love them.

InstallationPir sandwich panels are very simple to install. They’re sold in large panels that can be rapidly assembled, so builders can save time and money on construction projects. And once in place, Pir sandwich panels can endure for years, delivering reliable insulation and energy savings.
Our most popular products are Duct Panel, PU foam, stonefix adhesive foam, pir sandwich panel multipurpose spray adhesive foam, and personal care, home care, aerosols for car care. In the present, we are creating OEM products for numerous well-known companies around the world.
Our customer service is thorough and professional We have a professional customer service team that can solve any customer's issue efficiently The well-known customer service system as well as pir sandwich panel allow us to give the best service to our clients
Our products are made of the highest quality materials They beat their competition when it comes to durability and performance They are pir sandwich panel by both foreign and domestic customers
Haohai was established in the month of August 2000, has continued to maintain its rapid and steady growth trend. The company has also been designated an "pir sandwich panel and Civilized Unit in technological innovation" and has received ISO9001:2015 certificate for its quality system. Our products are of stable quality as we have a solid quality management system that is reliable and advanced equipment, along with a professional team.