can the paint be applied to concrete panels?

Yes, this product can be used on properly prepared interior and exterior wood and metal siding and trim including hardboard, fiber cement board, vinyl, primed metal, shakes, brick, cement, cinder block and stucco. For Concrete/Masonry/Stucco:, those surfaces must be clean, dry, thoroughly cured and in good condition. Soft concrete or masonry surfaces should be primed with this product. For Concrete block/Cinder block: Fill the pores of bare concrete block with a latex block filler, then top coat. Do not use block filler as the sole exterior finish. Block filler must always be top coated on exterior uses