Learning how to make port screens for your boat port windows isn't difficult. Keeping mosquitoes outside is a necessity for sailing cruisers. After getting bitten alive, I decided to come up with a way to keep the little buggers out. The first line of defense for boaters wanting to avoid bug bites is to ensure that the boat has screens. This article offers step-by-step instructions in written and video format. Learn how to save over $85 by making your port screens! On Britican, we have professionally made screens for some of our port windows but not all of them. Our professionally