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A mounting system for solar modules in which a mounting beam has its opposite ends bent downwardly to form a first and second leg that hold photovoltaic modules at an angle to a flat roof, wherein the first and second legs are screw fastened into a rafter and the bottom ends of the first and second

A mounting system for solar modules in which a mounting beam has its opposite ends bent downwardly to form a first and second leg that hold photovoltaic modules at an angle to a flat roof, wherein the first and second legs are screw fastened into a rafter and the bottom ends of the first and second legs are placed into receptacles into which sealant is poured, thereby forming a water-tight seal preventing any water from leaking into the holes formed by the fasteners securing the first and second legs to the building rafters.

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1. A mounting system for solar modules, comprising: (a) a mounting beam having a first leg portion, a second leg portion and a center portion extending between the first and second leg portions, wherein the second leg portion is longer than the first leg portion such that center portion is supported

1. A mounting system for solar modules, comprising: (a) a mounting beam having a first leg portion, a second leg portion and a center portion extending between the first and second leg portions, wherein the second leg portion is longer than the first leg portion such that center portion is supported at an angle to the ground;(b) a first fastener at the bottom of the first leg portion, the first fastener configured to attach the first leg portion to the roof of a building;(c) a first receptacle encircling the first fastener and the bottom of the first leg portion;(d) sealant disposed within the first receptacle, wherein the sealant provides a water-tight seal over the region where the first fastener attaches to the roof of the building;(e) a second fastener at the bottom of the second leg portion, the second fastener configured to attach the second leg portion to the roof of a building;(f) a second receptacle encircling the second fastener and the bottom of the second leg portion; and(d) sealant disposed within the second receptacle, wherein the sealant provides a water-tight seal over the region where the second fastener attaches to the roof of the building. 2. The mounting system of claim 1, wherein the mounting beam is a single continuous beam. 3. The mounting system of claim 1, wherein the mounting beam is a flattened member with its opposite ends being bent downwardly into the shape of the first and second legs. 4. The mounting system of claim 1, wherein the first and second fasteners are lag bolts received through apertures in the bottom of the first and second legs. 5. The mounting system of claim 1, wherein the sealant in the first and second receptacles provides a water-tight seal around the bottoms of each of the first and second legs. 6. The mounting system of claim 1, further comprising sealant under the bottoms of the first and second legs, wherein the sealant attaches the bottoms of the first and second legs to the roof. 7. The mounting system of claim 1, wherein the receptacles are circular in shape. 8. The mounting system of claim 1, wherein the receptacles are assembled in sections around the bottoms of the first and second legs. 9. The mounting system of claim 1, wherein the center portion of the mounting beam is supported at an angle of 5 to 14 degrees to the ground. 10. The mounting system of claim 1, further comprising: (e) a first leveling foot at one end of the center portion; and(f) a second leveling foot at another end of the center portion. 11. The mounting system of claim 10, further comprising: (g) a photovoltaic module mounted onto the first and second leveling feet. 12. An array of solar modules, comprising: (a) a plurality of mounting beams, each mounting beam having a first leg portion, a second leg portion and a center portion extending between the first and second leg portions, wherein the second leg portion is longer than the first leg portion such that center portion is supported at an angle to the ground;(b) fasteners at the bottom of each of the leg portions, the fasteners attaching each of the leg portions to the roof of a building;(c) receptacles encircling the fasteners and the bottoms of the first and second leg portions;(d) sealant disposed within the receptacles, the sealant providing water-tight seals over the regions where the fasteners attach to the roof of the building;(e) support feet on the center portions of the mounting beams; and(f) photovoltaic modules supported by the mounting feet on the center portions of the mounting beams. 13. The array of claim 12, wherein a first leg portion of a first mounting beam and a second leg portion of a second mounting beam share the same receptacle. 14. The array of claim 12, further comprising: (g) module-to-module interlocks connecting adjacent photovoltaic modules together. 15. The array of claim 12, wherein the support feet are leveling feet. 16. The array of claim 12, wherein the mounting beams are positioned in alignment with rafters in the roof of a building such that the fasteners are received into the rafters. 17. The array of claim 16, wherein the side edges of the photovoltaic modules are not positioned in alignment with the rafters in the roof of the building. 18. The array of claim 12, wherein the support feet are attached to the photovoltaic modules at different positions along the top and bottom edges of different photovoltaic modules. 19. The array of claim 14, wherein the spacing between successive module-to-module interlocks in the array is different from the spacing between successive mounting beams. 20. The array of claim 19, wherein the spacing between successive module-to-module interlocks corresponds to the width of the photovoltaic modules whereas the spacing between successive mounting beams corresponds to the spacing between the rafters in the roof.