(Prices given are approximate, and were estimated in 1995 when this article was written.)

Each deep bass trap

1/2 sheet (2' by 8') 1/4" AC plywood @ $20.00 = $10.00
2 pcs. 1" x 4" x 8’ pine @ $0.66/foot = $10.56
2 pcs. 1" x 4" x 2’ pine @ $0.66/foot = $2.64
2 pcs. 2" x 2" x 8’ fir @ $0.25/foot = $4.00
2 pcs. 2' x 4' x 1" rigid fiberglass @ $0.29/ square foot = $4.64
12 pcs. 1" diameter fender washers = $1.00
10 pcs. 3/16" x 4" toggle bolts = $2.00
Approx. 40 pcs. 1-1/2" drywall screws = $1.00
Approx. 120 pcs. 1" finishing nails = $2.00
1 tube non-hardening caulk = $3.00

Total cost for one deep bass trap (excluding labor) = $40.84

Each high bass trap

1/2 sheet (2' by 8') 1/8" AC plywood @ $20.00 = $10.00
2 pcs. 2" x 2" x 8' pine @ $0.75/foot = $12.00
2 pcs. 2" x 2" x 2' pine @ $0.75/foot = $3.00
2 pcs. 2' x 4' x 1" rigid fiberglass @ $0.29/ square foot = $4.64
12 pcs. 1" diameter fender washers = $1.00
10 pcs. 3/16" x 4" toggle bolts = $2.00
Approx. 20 pcs. 1-1/2" drywall screws = $0.50
Approx. 120 pcs. 1" finishing nails = $2.00
1 tube non-hardening caulk = $3.00

Total cost for one high bass trap (excluding labor) = $38.14

Each mid/high absorber

2 pcs. 1" x 3" x 8' pine @ $0.59/foot = $9.44
2 pcs. 1" x 3" x 2' pine @ $0.59/foot = $2.36
2 pcs. 2" x 2" x 8' fir @ $0.25/foot = $4.00
2 pcs. 1/2" x 3/4" x 8' pine or poplar @ $0.30 = $4.80
3 pcs. 1/2" x 3/4" x 2' pine or poplar @ $0.30 = $1.80
2 pcs. 2' x 4' x 1" rigid fiberglass @ $0.29/ square foot = $4.64
12 pcs. 1" diameter fender washers = $1.00
10 pcs. 3/16" x 4" toggle bolts = $2.00
Approx. 40 pcs. 1-1/2" drywall screws = $1.00
Approx. 12 pcs. 3/4" finishing nails (for burlap frame) = $0.25
3 yards dyed burlap @ $3.00/yard = $9.00

Total cost for one mid/high absorber (excluding labor) = $40.29

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