List of the cons of lp smart siding.
Lp siding problems 2010.
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.
My opinion is and always has been that swelled recalled moisture compromised lp siding should be replaced.
Inner seal was sold as both lap siding and in panel like 4 x8 sheets with the t1 11 profile.
1 was from lp.
The warranty on lp smart siding is not very long.
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.
This lawsuit led to the revelation of some very serious louisiana pacific siding problems and opened the eyes of homeowners looking for seattle.
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.
Lp siding otherwise known as louisiana pacific siding was the product that a number of homeowners sued louisiana pacific in a class action lawsuit.
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.
The siding had typical swelling at the edges and was clearly delaminating.
Once you go beyond that limit then the pro rata deduction on the coverage you receive is 2 2 per year.
I was visited by 3 men representing 3 different companies at a jobsite in east tennessee.
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.
Lp failure over time the siding can completely fail as in these examples.
The bottom edge of lp lap siding is where the failure is first evident.
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 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.
Regardless of the maintenance nearly all lp siding installations i look at from this era have failed at least certainly to some degree.
This lawsuit ended up resulting in a judgment for the homeowners that added up to 25 million bucks.
The most vulnerable profile is the lap siding where water can cling to the drip edge and wick into the bottom edge of the siding as shown in the photo below.
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.
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.