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.

There was visible rot and damage on the siding on the chimney then in the back of the house. The problem with lp s inner seal generally is that it fails where exposed to the weather. 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. We are the original owners of the home and checked our papers and found lp to be the manufacturer of.

The bottom edge of lp lap siding is where the failure is first evident. This is another common defect. Lp failure over time the siding can completely fail as in these examples. Here s a small collage of overdriven nails.

This whole community is replacing their siding after 7 years do. If they are used incorrectly then there is a high risk that the outer material can start to flake off. Inner seal was sold as both lap siding and in panel like 4 x8 sheets with the t1 11 profile. This is a 7 year old community siding project that was completed with l p.

Lp smartside is a great product that i have yet to find a single failure on but i suspect i ll be seeing failures soon enough because i find installation errors on nearly every home i inspect. 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. This lawsuit ended up resulting in a judgment for the homeowners that added up to 25 million bucks. The diagram below shows the.

The coatings on lp smart siding can sometimes flake off. The coating that you see on lp smart siding usually comes from the finisher or applier instead of the manufacturer.