Aluminum Spiral Slides: The LMA and FSS Series Spiral Slides are at the forefront of our flagship. With a smooth, contiguous bedway, this slide is the leader in safe fun. From the oldest continually operating playground company in North America, you find a unique slide that is well built and designed to last for generations. Available at a range of 3' elevations to over 20', you will find this slide in firestations, schools, churches, parks, offices, and even residential homes!