Waterproofing Mounting System for Attaching Solar Modules to a Roof

A rail-less roof mounting system comprising:

• a plurality of PV modules with four sides, wherein at least two opposing sides are each supported by a respective side frame member, each respective side frame member supported by a first and a second clamp assembly, the clamp assemblies each supported above a roof via a base mount, the base mount comprising a block slider and a top slider (124), wherein the block slider has an upstanding portion (114) having at least one pair of opposing ridges, and wherein the top slider has a downwardly extending portion comprising a sliding groove, the sliding groove comprising a pair of recesses which mate complimentarily with the opposing ridges of the block slider upstanding portion (114);
• a fastener securing the top slider to the block slider by securing the block slider upstanding portion (114) within the sliding groove (136);
• wherein the first and second clamp assemblies comprise a clamp member and a plate member sandwiching the plurality of PV modules above and beneath said frame members of the plurality of PV modules.