Materials list for 4 basic weatherproof boxes for WALTA detectors :

1) 4 sheets of 5/8 " plywood

2) Box of deck screws 1 1/2 "

3) Box of smaller screws, preferably exterior, less than 5/8 " long

4) 48 feet of 2 x 2, cut into 18 " pieces

5) 4 10' pieces of L-shaped aluminum edge flashing

6) 32 corner braces

7) 1 bundle of roofing shingles

8) a couple of tubes of good caulk

9) a can of mis-mixed exterior latex

10) 12 half cinderblocks

11) about 25 ' of scrap rope or wire

and of course,

a circular saw,

jig saw

caulking gun

electric screw driver

safety glasses