The concept of strand board composite real wood siding isn t new but the history is complicated and has repeatedly proven itself more of a problem than a solution.
Lp siding problems 2010.
This lawsuit ended up resulting in a judgment for the homeowners that added up to 25 million bucks.
My opinion is and always has been that swelled recalled moisture compromised lp siding should be replaced.
Lp siding otherwise known as louisiana pacific siding was the product that a number of homeowners sued louisiana pacific in a class action lawsuit.
Regardless of the maintenance nearly all lp siding installations i look at from this era have failed at least certainly to some degree.
The bottom edge of lp lap siding is where the failure is first evident.
Once you go beyond that limit then the pro rata deduction on the coverage you receive is 2 2 per year.
Lp siding products also come in sheets in when water runs down the face of the siding it tends to hang on the bottom edge wicking up and causing the bottom edges to swell and delaminate.
When you install lp smart siding on your home then the warranty you receive will only cover defects in craftsmanship and materials for up to five years.
It s too late to be part of the class action suit.
Lp failure over time the siding can completely fail as in these examples.
List of the cons of lp smart siding.
Between 1985 and 1995 800 000 homes were sided with a louisiana pacific lp product called inner seal that sparked one of the largest class action lawsuits in history after the siding began to fail.
Inner seal was sold as both lap siding and in panel like 4 x8 sheets with the t1 11 profile.
That s not going to stop people from having cedar and lp smartside wood siding installed on their homes there is nothing like the allure of natural wood.
The problem with lp s inner seal generally is that it fails where exposed to the weather.
The warranty on lp smart siding is not very long.
I was visited by 3 men representing 3 different companies at a jobsite in east tennessee.
1 was from lp.
Lp smartside is made out of what lp calls an engineered wood product the first step in the process involves placing raw lumber through a wood chipper to create wood strands chips that are somewhat uniform in shape size.
Their intent was to sell me the lp smart siding and trim.
When your siding is a problem composite siding evolution the evolution of composite siding over the past 40 years is a story that will long be told in the building products industry.
The wood strands are then fed through a mixing mechanism whereby all surfaces of the wood chips are coated with a mixture of waxes resins and zinc.
The common siding problems by siding type as you can see in the chart below wood siding incurs the most problems from pests to moisture to fading and failures due to roof issues.