Pressure treated wood is an affordable and attractive solution for decks and docks alike.
1 grade pressure treated lumber.
Use when both strength appearance are important.
Use when appearance is not important.
This lumber is pressure treated in order to protect it from termites fungal decay and rot.
It s easy to work with and terrific for diyers.
The treatment process involves placing a load of lumber in a huge cylindrical chamber called a retort with a door on one end that can be sealed airtight and then forcing waterborne chemicals into the wood under pressure.
Pressure treated lumber is divided into two grades 1 and 2 based on the appearance and composition of the wood.
1 lumber also called premium is the higher grade with very few knots warps or other blemishes.
The lower the number the more strength and better appearance.
Treated wood can last more than 40 years.
Formed from high quality 1 grade dense 2x6 southern yellow pine dense select structural or 1 prime marine deck is guaranteed to be both attractive and durable.
2 lumber also called standard has a rougher knottier look.
Boards contain small and few knots knots may be no larger than 2 one hole is permitted every 3 feet no splits larger than the width of the board stronger than 2 grade because it has fewer and smaller knots 2 grade lumber.
27th avenue coconut grove florida 33133.
Appearance grade pressure treated board 3 pack.
So the general rule of thumb for lumber grades is this.
1 lumber is usually used for applications where appearance matters while 2 lumber is used where it will not be visible on the finished product.
Ideal for a variety of applications including decks landscaping and other outdoor projects treated wood is typically still wet when it s delivered to the home depot or job site.
Typically wood that is two or more inches thick is graded only for strength denoted by 1 2 and so on.