Discover essential tips for selecting the perfect sandwich panel for your roofs and walls. Learn about material quality, insulation properties, and design considerations to ensure optimal performance and durability. https://www.dropbox.com/scl/fi/x12pkuupvwjxbi1g5cdn0/Tips-for-Choosing-a-Sandwich-Panel-for-Roofs-and-Walls.jpg?rlkey=vbfde6080apvjrsh1urcukby5&st=deotfvga&dl=0