Lp Siding Failure

Lp siding otherwise known as louisiana pacific siding was the product that a number of homeowners sued louisiana pacific in a class action lawsuit.

Lp siding failure.

Inner seal was sold as both lap siding and in panel like 4 x8 sheets with the t1 11 profile. We are the original owners of the home and checked our papers and found lp to be the manufacturer of. 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.

Problems with lp smartside installations missing paint. The problem with lp s inner seal generally is that it fails where exposed to the weather. This is a 7 year old community siding project that was completed with l p. What causes lp louisiana pacific siding problems.

The coating that you see on lp smart siding usually comes from the finisher or applier instead of the manufacturer. Here s a small collage of overdriven nails. The coatings on lp smart siding can sometimes flake off. The diagram below shows the.

Without a doubt the most common installation error that i find with lp smartside is missing paint at. The bottom edge of lp lap siding is where the failure is first evident. If they are used incorrectly then there is a high risk that the outer material can start to flake off. This is another common defect.

This whole community is replacing their siding after 7 years do. 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.