Lp Siding Failure

This is a 7 year old community siding project that was completed with l p.

Lp siding failure.

What causes lp louisiana pacific siding problems. The coatings on lp smart siding can sometimes flake off. The bottom edge of lp lap siding is where the failure is first evident. 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 failure over time the siding can completely fail as in these examples. Lp siding otherwise known as louisiana pacific siding was the product that a number of homeowners sued louisiana pacific in a class action lawsuit. This lawsuit ended up resulting in a judgment for the homeowners that added up to 25 million bucks. The problem with lp s inner seal generally is that it fails where exposed to the weather.

If they are used incorrectly then there is a high risk that the outer material can start to flake off. There was visible rot and damage on the siding on the chimney then in the back of the house. 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.

This whole community is replacing their siding after 7 years do. The diagram below shows the. This is another common defect. 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.

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.