Spa covers are a specialty at Harbor Foam, the people at Harbor Foam have worked with the spa cover industry for over 30 years. We can supply blocks of foam, tapered sheets of foam or contour cut, all ready to go. We understand the characteristics needed in foam to produce a high quality spa cover that will fit properly for years to come. We have a range of densities from 0.90 pcf. to 3.0 pcf to choose from.