over in the eastbay we have true mat that do stock reproductions of the older material. >> so, that kind of material is available. you have to go out of your way to get it. people are recognizing the value of preserving older materials. just a side note the diameter of environment in san francisco passed an ordinance into their code that requires the recycling reclaimation of old materials. it doesn't say you have to use them but they have to be separated out to be recycled at the waste disposal areas. >> when we do projects with my company we will sort out any wonderful timber there and clean it up. get the paint off and save it and put it back to use. as pertained to old growth red wood, which is our primary siding material you can't purchase it anymore. this is a piece of modern growth red wood siding they are one to the inch. they are light as cotton. doesn't seem like it will resist rot. this is old growth that has 35 growth rings to the inch. if you look the the ingrown it's more than that this is heavy and dense. i met a lot of people who never knew red wood was like this this the