Three factors contribute to this early failure.
Wood preservative for cedar fence posts.
Copper azole is registered for treatment of millwork shingles and shakes siding plywood structural lumber fence posts building and utility poles land and freshwater piling composites and other wood products that are used in above ground ground contact and fresh water as well as in salt water splash marine decking applications.
The few solid particles in this mix will not significantly obscure cedar s wood grain.
Using a garden fence preservative will protect fence panels and posts from mould algae and other biological threats such as insect attack.
Both its beauty and natural resistance to rot and decay make cedar an optimal choice for outdoor projects.
However with semi transparent stains you will need to take care with the application.
Item 140392 model 140392.
The heavy duty solvent based preservative protects new wood and highlights the weathering process and prevents future damage for old wood.
If you have to cut a pt post be sure to dress any field cuts with a copper naphthenate preservative containing at least 1 elemental copper.
Brush a small amount of wood preservative such as cuprinol along the wood of your base posts near where they enter the ground.
Poor drainage low quality wood and poor protection against insect damage.
Idaho timber 4 in x 4 in w x 5 1 3 ft h western red cedar wood fence line post.
Semi transparent stains are your best bet when you want the real look of slightly weathered cedar with protection.
Here s how to install new cedar fence posts and avoid the problems that made your old posts rot.
Wood preservative shields wooden surfaces from the elements and wood eating insects.
Staining cedar with a semi transparent stain.
A product like cuprinol was most likely used on the wood below the ground when your fence was installed if it was installed.
Deciding on which wood preserver is best largely comes down to colour choice and a preference between water based or solvent based wood preservers.
Designed for use above ground below ground and below the water line the copper green 1 gal.
Cedar has a reputation for durability but unless a few guidelines are followed cedar posts can fail in as few as five years.
An application of copper naphthenate wood preservative is essential if you are making your own fence posts from fresh cut wood and should be applied liberally over the entire fence posts.