Your best source for a four seasons pool enclosure and permanent structure is DynaDome. Our DynaDome four seasons pool enclosure is designed to slide and telescope along its track to easily convert your outdoor swim to an indoor area and vice versa. Our custom designed products provide comfort, safety, privacy, maintenance control and cost savings year round. Since 1985 we have been providing swim and sun comfort for residential and commercial applications all over the US and Canada from our Northwest Indiana location with our four seasons pool enclosure products.