miles per hour a protective device 10 secured to the curb 102 of a domed curb mounted skylight 100 by means of clamp assemblies 62 64 66 68 in the above described manner does not detract from the water tight integrity of either the roof or the skylight frame because no bolts are used and hence no holes are required further by securing the protective device 10 to the curb 102 and not to the frame of an opening type skylight the spring loaded opening mechanism is not negatively affected because no weight is contributed to the frame of the opening type skylight in addition the roof pads 20 prevent point loading on the roof via the vertical support members 12 14 16 18 that would otherwise result from the impact force of a fallen human against the protective device 10 for these reasons a protective device according to the present invention neither invalidates the f m or u l rating of a skylight nor deleteriously effects the structural integrity of a roof in a second preferred embodiment of the invention the protective device 10 comprises means to further accommodate opening type skylights by eliminating obstructions in the opening path of the skylight dome 101 fig5 shows one embodiment of an accommodating means according to the present invention the protective device 10 is provided similarly as described with respect to other preferred embodiments above with two principal differences the first long middle rail 42.