Welcome to A-Trim-A-Seal Of Indiana.A-Trim-A-Seal Of Indiana is a family owned and operated awning and canopy store in Merrillville, IN, serving residential and commercial customers in Indiana. You can save money with our factory direct pricing for products manufactured in Indiana. Our products include* Entry Doorsbr* Storm Doorsbr* Security Doorsbr* Steel Insulatedbr* Awningsbr* Windowsbr* Sidingbr* Patio CoversOur products are made with the highest quality material and can handle the heaviest wind, rain, and snow. Professionally installed by our experienced and trained technicians, we offer a lifetime guarantee on all labor and products. Protect your investment with our products, which can help prevent mold, rot and insect infestations. In addition, we provide tent rental, table and chairs. So, give us a call today and get a free estimate with our lowest price guarantee, and ask about our special offer. We also offer senior discounts.