I have insulated the backside of the solar collector with 20mm 0 8in rock wool.
Diy solar collector panel.
Do it yourself pop can solar panel construction housing for diy solar panels is made using plywood 15mm 0 6in thick while its front is a polycarbonate sheet 3mm 0 12in thick.
Diy solar project takes shape when i wrote about denise and dan rojas video of their diy solar collector they re building from an old satellite dish commenter luke asked what they were going.
Assembly of the solar collector cut the timber treat all sawn ends with a good quality timber preservative.
You can use tempered glass but it will make your solar panels much heavier.
Diy solar panel assembling the case that will nestle the solar panels will be realized out of wood of 0 6 in 15 mm while in the front a 0 12in 3mm poly carbonate or plexiglas sheet or tempered glass can be used.
Glue and screw the sides together a b and c.
Just as it sounds this design replaces the stack of pop cans in the solar air heating panel with standard eaves trough downspouts painted matt black to absorb the sun s rays.
Paint the collector panel using as thin a coating as possible of high temperature black oil base paint black car exhaust paint is a good suggestion.