Image of a room with a wall of windows offering a stunning view.

Attach two or more windows together to create a one-of-a-kind look.

Mulling is the act of attaching two or more window units together. This provides a modern, clean, custom design. Mull Units create a dramatic feature window opening. Because of JELD-WEN’s unparalleled selection, creating a unique, finished look is easier ever before. By combining different sizes and styles of windows into one seamless design you can create a one-of-a-kind look for your home.

FAQ Friday is a weekly feature where we answer Frequently Asked Questions about our products, service or industry. To see other FAQs we’ve answered, visit our FAQ page. If you have a question you don’t see an answer for, just ask in a comment or contact us