Roofing, cladding or siding product, its manufacture and its use as part of a solar energy recovery system

1. A roofing, cladding, or siding module comprising:

an underlapping region and an exposed region, wherein the underlapping region is adapted to be at least partially covered by the exposed region of an adjacent module when installed on a building surface;

a first feature provided by an underside surface of the underlapping region and configured to maintain a gap for separation of the underside surface of the underlapping region from the building surface when installed on the building surface;

a second feature provided by the underside surface of the underlapping region and configured to cooperate with the first feature to maintain the gap; and

a third feature provided by the underside surface of the underlapping region and configured to cooperate with the first feature and the second feature to maintain the gap;

wherein:

a) an upper surface of the underlapping region, or

b) an underside surface of the exposed region, or

c) both an upper surface of the underlapping region, and an underside surface of the exposed region;

comprise at least one channel or cavity including at least one electrical component for location between the module and the adjacent module;

wherein the underlapping region is defined by a length and a width; and

wherein the first feature, the second feature, and the third feature are staggered along the length and the width.

2. The module of claim 1 , wherein the underside surface of the exposed region of the adjacent module is configured to cover the upper surface of the underlapping region of the module when installed on a building surface to enclose the at least one channel or cavity of the module.

3. The module of claim 1 , wherein the module is configured to create a waterproof seal with the adjacent module.

4. The module of claim 1 , wherein the exposed region comprises scribings or marking indicating the location of at least one of:

a component located on the underside surface of the exposed region, and

the channel or cavity on the underside surface of the exposed region.

5. The module of claim 1 , wherein the upper surface of the underlapping region comprises formed markings to indicate the location of electrical components on the underside surface of the underlapping region.

6. The module of claim 1 , wherein the module comprises an adhesive pad or texturing complementary to texturing of the adjacent module to assist interengagement between the module and adjacent module.

7. The module of claim 1 , wherein the at least one channel or cavity provides for an opening to the underside of the adjacent module to allow for the passage of a cable, wire or other electrical component to at least one of: the underside, and the upper side, of the adjacent module.

8. The module of claim 1 , wherein an under surface of the underlapping region is profiled to define a pathway for air flow between the module and the building surface.

9. The module of claim 1 , wherein the at least one electrical component is one or more of:

a) a printed circuit board (PCB);

b) a communication device;

c) an antenna;

d) a connector;

e) a cable or wire;

f) an electrical bus.

10. The module of claim 1 , wherein the module comprises an electrical bus configured to allow for electrical connection between the module and at least the adjacent module.

11. The module of claim 1 , wherein the module comprises at least two layers of polymeric material.

12. The module of claim 11 , wherein at least one polymeric material comprises:

a) a high UV resistance,

b) a high thermal conductivity, and

c) a reinforcement layer.

13. The module of claim 1 , wherein a top surface of the exposed region comprises a photovoltaic cell or device.

14. The module of claim 1 , wherein the underside surface of the underlapping region is patterned in a manner to (1) create turbulence in the airflow, (2) increase the surface area of the module in contact with the passing airflow compared to a module lacking such a surface pattern, or both (1) and (2).

15. The module of claim 14 , wherein the pattern of the underside surface of the underlapping region comprises a series of projections.

16. The module of claim 15 , wherein the pattern of the underside surface of the underlapping region comprises a series of alternating projections.

17. The module of claim 16 , wherein the projections decrease in height along their length.

18. An assembly of roofing, cladding, or siding modules, each module comprising:

an underlapping region and an exposed region, wherein at least part of an upper surface of the underlapping region is adapted to be covered by an underside surface of the exposed region of an adjacent module when installed on a building surface;

a first feature provided by an underside surface of the underlapping region and configured to maintain a gap for separation of the underside surface of the underlapping region from the building surface;

a second feature provided by the underside surface of the underlapping region and configured to cooperate with the first feature to maintain the gap; and

a third feature provided by the underside surface of the underlapping region and configured to cooperate with the first feature and the second feature to maintain the gap;

wherein at least one channel or cavity includes at least one electrical component for location between the module and the adjacent module, wherein the at least one channel or cavity is disposed on:

a) the upper surface of the underlapping region, or

b) the underside surface of the exposed region, or

c) both the upper surface of the underlapping region, and the underside surface of the exposed region;

wherein the underlapping region is defined by a length and a width; and

wherein the first feature, the second feature, and the third feature are staggered along the length and the width.

19. The assembly of claim 18 , wherein at least one module is a dummy module.

20. The assembly of claim 18 , wherein the first feature defines a first recess in the upper surface of the underlapping region;

wherein the second feature defines a second recess in the upper surface of the underlapping region; and

wherein the third feature defines a third recess in the upper surface of the underlapping region.