DIY Solar Air Heater Guide

What tools do you need for building the solar air heater?

• Sheet metal snips, razor knife, vice grips, pliers

• Hammer, square, tape measure, drill bit

• All of the above

• None of the above

What size are the steel studs used in the frame?

• Three and five eighths inch by eight foot by one and a half inch

• One and a half inch by three inch by ten foot

• Both A and B

• None of the above

What type of paint is recommended for the solar air heater?

• High temp matte black engine paint

• High temp matte black grill paint

• Both A and B

• Clear silicone caulk

What is the thickness of the foam board insulation used?

• Three quarter inch

• Four inch

• Six millimeter

• Both A and C

How many sheet metal pieces are used for the pro rib panels?

• Three

• Four

• Five

• Six

What is the purpose of the baffles in the solar air heater?

• To provide support for the frame

• To direct the airflow

• To insulate the foam board

• To hold the sheet metal pieces together

What is the recommended color for the exterior flashing?

• Galvanized

• Unpainted

• Foil faced

• Any color

What is the purpose of the clear silicone caulk?

• To seal the sheet metal pieces

• To insulate the foam board

• To hold the baffles in place

• To paint the exterior

What is the size of the twin wall polycarbonate roof panel?

• Four by eight sheet

• Six millimeter thickness

• Both A and B

• None of the above

What is the purpose of the foil faced foam board insulation?

• To provide extra insulation

• To reflect sunlight

• To protect the frame

• To hold the sheet metal pieces together