|
MATERIAL |
COST/FOOT |
PROS |
CONS |
|
Hand Built Raised Beds |
0 |
No cost, no installation required |
Must be rebuilt each year, no containment |
|
Untreated Pine/Spruce |
.55 – 2”x8”x16’ |
Inexpensive, boards are 2” wide |
Requires some carpentry skills, wood rot and insect attack |
|
Hardie Panel Cementatious board |
.79 – 3/8”x12”x12’ |
Inexpensive, will not rot, no insect damage, lasts for years. Boards are 3/8” wide. |
Requires some carpentry skills, material is brittle, needs some support which adds to cost |
|
Pressure Treated ACQ |
.81 - 2”x8”x16’ |
Inexpensive, resists rot and insects for years. Boards are 2” wide |
Requires some carpentry skills, classified as a group 1 human carcinogen |
|
Concrete Blocks |
$1.20 - 8”x8”x16” |
Cost is reasonable, will never rot or decay, easy installation by anyone |
Blocks get very hot in summer sun, transmitting heat to plants and humans alike, additional cost to fill cores. Blocks are 8” wide |
|
Natural Cedar |
$2.84 - 2”x8”x16’ |
Rot and insect resistant, boards are 2” wide |
Expensive, requires some carpentry skills |