Originally Posted By: gbeaumont This post was automatically imported from our archived forum.
Hi to all,
The give away on this is the nailing strip that can be seen on the top left of the photos, only metal and vinyl have this, and if it were vinyl it would be broken not bent.
Originally Posted By: dedwards This post was automatically imported from our archived forum.
Gary,
Beg to differ with you on the material in photo. It is a Louisiana-Pacific particle board siding that was the subject of a very large and expensive class action lawsuit originating here right across the border in Mobile, Alabama. It was used widely around mid to late 1980’s and is a real piece of c_ _p. I still have some on my own home. When it gets wet for any length of time it begins to buckle, crack and come apart like cheap cereal in milk. The reason it looks like its dented is because if it is painted on the surface that area stays relatively intact meanwhile the back, bottoms and any untreated or unpainted areas begins to twist, bow and do just what you see in the pictures. This is exactly what happened on my own chimney chase. I had to rebuild all of it including the frame and replaced it all with Hardi planks. It also happens to any of it that is close to the ground ( like the first two or three courses of lapboard). There are a gazillion houses here with this crapola on them and I have inspected a slew of them. Great photos.
Originally Posted By: gbeaumont This post was automatically imported from our archived forum.
Hi to all,
I checked this out with Mike Rose who took the pcture and the siding is in fact LP "masonite". it had me fooled I was sure it was tin or aluminum  
Originally Posted By: dedwards This post was automatically imported from our archived forum.
Gerry,
Glad to be of some small help. It would be easy to misdiagnose this from just a picture. I have just had a lot of personal and professional experience with this junk. Notice the small, tiny lap at the top of the boards both in the Mike Rose’s and my photos. This is normally how I find the boards installed and one of the major reasons the stuff fails so easily. Wind driven water can easily be blown up and behind the boards to the backside where it is not painted and what it shows in the pictures takes place without someone noticing until it is too late and the damage is done. To caulk each course along the lap joints would require a semi truck load of caulk for the average home.
