| Author | Message | ||
     Old_school (Old_school) Senior Member Username: Old_school Post Number: 1181 Registered: 01-2009 |
That is not much of a cut sheet for the product. Do they have any pictures? Am I to understand that it is basically a nailable concrete deck product? You don't want to use pneumatic nails for slate as you can't control it and it will break the slates. You normally use copper nails too. If it it too hard for the copper nails, that will be a problem. Spauling at the bottom edge? What does that mean? If it refers to the nails blowing out the bottom of the product and it is 2" thick, you are using way too long of a nail to apply the slate. More information please. | ||
| Tyang (Tyang) New member Username: Tyang Post Number: 3 Registered: 08-2016 |
Okay, I’ve been looking into other products as well. There’s another product called Armoroc: http://www.ameriformllc.com/downloads/Armoroc/Armoroc%20Data%20Sheet16.pdf Thinner options than the 2” Creteplank and is much cheaper per sq. ft. compared to Creteplank. The only thing is that the Creteplank rep recommends handnailing (probably better for controlling over/undernailing?), while the Armoroc rep says that pneumatic nailing on their product is better because the spauling at the bottom edge of their product is less predictable with handnailing. Anyone have any experience with either of these products and hand vs. pneumatic installation? Slate Roof Bible doesn’t recommend pneumatic nailing. Wonder if that depends on the substrate. | ||
| Tyang (Tyang) New member Username: Tyang Post Number: 2 Registered: 08-2016 |
Joe, Old School, Thanks for the input and suggestions. Joe—I did download your book—great reference! I called Durisol and spoke to a rep, who said that it’s practically fireproof, but technically doesn’t pass the non-combustibility tests because it loses too much weight. Also, this rep wasn’t aware of applications on roofs. He says that they prefer that people use screws instead of nails and that pullout tests are about 1/2 of what you get with plywood. Seems like there’s a trade-off between the fireproofing characteristics of sheathing and the nailability. I called around and was referred to this product by Martin Fireproofing, called Steeledge Creteplank, which might work: http://martinfireproofing.com/assets/secp_brochure.pdf Rep says that it can be hand-nailed with regular smooth shank nails, has about 118 lbs per pull, about double of plywood or OSB. | ||
| Joe (Joe) Moderator Username: Joe Post Number: 868 Registered: 07-2006  |
Durisol Building Systems Inc. https://www.durisolbuild.com/ (From the Slate Roof Bible, 3rd Edition, page 188) http://josephjenkins.com/store/Slate_Bible_3.html | ||
| Old_school (Old_school) Senior Member Username: Old_school Post Number: 1180 Registered: 01-2009 |
I posted something to this thread about 2 hours ago and it is not there now. What is going on? | ||
| Old_school (Old_school) Senior Member Username: Old_school Post Number: 1179 Registered: 01-2009 |
Tyrone, Tube locks are a PITA!! They are used mostly with Tectum decking. I haven't used Tectum for a long time. We have done a lot of slate over Gypsum decking and that is a very good job. It is solid and certainly fire proof. A lot of the buildings we have done are 50 or 60 years old, but I am assuming that they still make the gyp planks. Make sure that you design the roof with plenty of pitch for the slate. At about 7/12, it is steep enough that people won't feel the urge to walk on it and it will last 3 time longer without roof traffic. Just a suggestion | ||
| Tyang (Tyang) New member Username: Tyang Post Number: 1 Registered: 08-2016 |
I'm an architect, designing a small garage that needs to be made of non-combustible materials, and I'm wondering if someone has had experience using a non-wood roof decking. From doing a web search it seem like gypsum concrete or nail-able concrete are possible options. Does anyone know a specific decking (roof sheathing) product? I looked at USG Structural Panel (Structocrete). Any thoughts on installation and slate repair with non-combustible decking? On another thread, I read about possibly using Tube-Lok fasteners. Any links or discussion threads where I can read more? Thanks for the help. -- Tyrone Yang, tyang@yangarch.com; 617-970-8108 |
