Vinyl siding is the form of exterior cladding that home inspectors are likely to encounter most frequently.
Lp siding inspection.
Lp inner seal siding can be identified by the classic lp knot that is embossed into the siding see attached photo.
Louisiana pacific inner seal lp siding has a history of failure from moisture intrusion since it s introduction in 1985.
On the lap siding you may have to look at several pieces to find this knot.
In short we are homeowners we have damaged lp siding which has been inspected by lp inspectors and within their report clearly proves that 95 of our home has this effected siding.
Lp siding inspection for home inspection services in the seattle area look to property inspector llc.
Notice the lp stamped on the knot this knot is on both lap siding and sheet siding products.
The siding failures are caused by product failure and incorrect installation.
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.
It may be in any orientation sideways or upside down.
Measure the thickness and compare the measurement to siding that is weather protected for instance under an eave or in a porch.
Homeowners remodeling contractors and builders often choose vinyl siding as an alternative to wood and aluminum because it is attractive durable easy to maintain and cost effective.
Recognizing lp louisiana pacific siding has this knot embossed on the surface.
Call or text 425 985 3289 for immediate service.
You may see this tag in some unfinished.
The most common mode of failure is swelling of the siding from moisture intrusion.
The siding should measure approximately one half inch.
The gaps can be caulked with approved products have joint mouldings covers and be flashed from behind the siding provided the opposing ends are factory finished and have not been field cut.
If it s the failing lp you will usually see swelling and or delaminating.
I have seen measurements at lower courses that exceed one inch.
Learn more about our engineered wood siding and trim.