It is coated with smartguard lp s proprietary sealant which.
Identifying lp siding.
After forming from a georgia pacific spin off in 1972 louisiana pacific was born.
Yes there is still a lot of lp siding out there.
Cellulose fiber is made with ethers or esters of cellulose which comes from plants leaves wood and bark.
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.
Being able to identify lp siding can save you a lot of time and hassle.
The strands are also bonded with resin and other binders.
This is one easy way to spot lp siding and indicates that damage has already occured.
The most commonly seen problematic siding out there hands down is louisiana pacific inner seal siding.
However the siding is 90 percent sand and cement.
This article describes the characteristic embossed fingerprints of woodgrain or knots on some fiber cement siding products the markings and stampings on others and the dimensions or details on still others all of which can.
Since it is made of pressed and glued wood chips there are lots of end grains that will readily absorb water if it is not properly sealed.
A home that has had proper painting and caulking can perform well for years but this maintenance is often overlooked.
Lp smartside siding is made from wood strands coated with wax.
The material also includes fly ash.
Lp inner seal siding can be identified by the classic lp knot that is embossed into the siding see attached photo.
However some siding is fairly well sealed with paint and caulk and therefore the lp siding may be in relatively good condition.
When the siding is swollen you can usually see holes where the nail heads have sunken beneath the surface of the siding.
Smartside siding is available as lap siding or panel siding.
Just a little history of composite siding.
Fiber cement siding identification photos markings.
Lp siding lp is one of the most common problematic siding products we see.
