Build a mason bee house with the right tube diameters and depths. Includes siting guidance and seasonal cleaning.
1. Cut one 1x6 board to 24 in for the back panel.
2. Cut two 1x6 boards to 6 in for the side panels.
3. Cut one 1x6 board to 6 in for the top panel.
4. Cut one 1x6 board to 6 in for the bottom panel.
5. Drill 5/16 in holes into the back panel, spaced 2 in apart, to a depth of 4 in for the nesting tubes.
6. Cut bamboo or paper straws to 4 in lengths, ensuring a variety of diameters (1/4 in to 1/2 in).
7. Attach the side panels to the back panel using wood screws (1 1/4 in) and a drill with a 1/8 in bit.
8. Attach the top panel to the structure using wood screws (1 1/4 in) and a drill with a 1/8 in bit.
9. Attach the bottom panel to the structure using wood screws (1 1/4 in) and a drill with a 1/8 in bit.
10. Sand all edges to remove splinters and rough spots.
11. Paint or seal the exterior with non-toxic wood finish if desired, allowing to dry completely before use.
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