Lp inner seal siding can be identified by the classic lp knot that is embossed into the siding see attached photo.
Inner seal siding.
My house was built in 1994 and 1995 and apparently the siding is louisiana pacific inner seal siding.
Most inner seal siding has a simulated wood grain surface although some is smooth finished.
Just this week i had someone come over to give me an estimate on pressure washing my shop.
The inner seal product was sold as both a lap siding most vulnerable and in panel 4 x8 sheets with the t1 11 profile less vulnerable.
The most common problem we see with residential siding materials out there hands down is louisiana pacific inner seal siding.
As far as we re concerned once siding is installed your home it should solve your problems not become one.
The current success of lp smartside engineered wood siding options began with a lawsuit against a prior exterior wood siding product known as louisiana pacific inner seal siding.
With the lap siding water is known to cling to the drip edge and wick into the bottom edge of the siding.
The most commonly seen problematic siding out there hands down is louisiana pacific inner seal siding.
Rain comes before the rainbow and such has been the case with lp smartside siding.
After georgia pacific spun off several divisions in 1972 louisiana pacific was born.
The timing is a little fuzzy but to my understanding lp stopped making inner seal siding around 1996 and they started making a similar and improved product called smartside starting around 2000.
Lp also introduced a concrete form of inner seal and in 1985 began to market inner seal siding for the exterior of homes.
If you have composite siding installed in 1996 or prior that has the signature lp knot pictured here you likely have lp innerseal composite siding a product that was subject to class action lawsuit for premature failure and elevated maintenance requirements.
Building through acquisitions the company bought fiberboard corporation and fifteen southern california building centers that provided the needed distribution points.
After forming from a georgia pacific spin off in 1972 louisiana pacific was born.
Driven by these breakthroughs a housing boom and a thriving remodeling and repair business that increased demand for its specialty building products lp s sales grew 50 percent between 1980 and 1988 according to the portland oregonian.
The best indication that siding is lp inner seal is the presence of a distinctive knot in the grain pattern embossed on the surface of the boards.
In re louisiana pacific inner seal siding litigation.
