The cost to repair the damage or in other words replace the rotted wood can run in the tens of thousands of dollars.
How to replace rotted wood siding.
Hardboard lap siding has been used on homes for years because it mimics the look of wood siding but is much less expensive.
If your home has wood siding examine the siding around and beneath.
Inspect the sidewall around and underneath the fascia and inside the house for signs of moisture damage and repair any rotted areas.
Rotten hardboard siding before replacement with fiber cement siding.
Installing new wood siding using spacer gauges.
Pressured treated wood cedar corrugated metal or plastic a length of concrete siding and probably more.
The wood siding must be at least 5 8 inches in thickness.
Often only a few boards have to be replaced requiring the existing siding to be crosscut in place with a circular saw and removed.
You can use plenty of materials for that.
Add felt if needed before nailing the new wood on and prime the new wood on all four sides before installing it.
Lots of great answers above but the best one is to sheer off the siding above the rot line and replace the lower section with something that doesn t rot.
One of the disadvantages of hardboard siding is that exposure to water can cause it to deteriorate over time.
Pry off the rotted boards.
Protect sound siding with a scrap piece of 1 4 in.
This will help protect the new wood plank from damage coming from weather elements such as rain and intense heat during summer.
Use the same paint color of the existing wood planks to coat the new wood piece.
Wood siding can rot or become damaged over time and will need to be replaced with new siding.
However by waiting to replace the one or two rotten boards this problem can lead to more significant damage in time.
Many people delay getting new wood siding when one or two boards are rotted out because it can be hard to match new materials to the wood species and the same look of the existing siding.
Step 6 paint the replacement wood piece.