Exposed ceiling insulation in helicop...

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Author Message Trevor Pan (Unregistered Guest) Unregistered guest Posted on Tuesday, June 25, 2019 - 06:55 pm:    Hi, I have a VB hangar project - stated from the record drawings. The ceiling and walls use a corrugated metal panel. We're adding a paint booth and upgrading the coolers to heat pumps. The client would like to insulate the hangar with a batt product. There is an existing AFFF fire suppression system. Has anyone used an insulation covering, or sheet product that has a low flame spread? I see this in exposed ceiling projects that seem pretty trendy right now. I've searched for this but must be using the wrong term. Any ideas? Thank you, Trevor David G. Axt, CCS, CSI ,SCIP Senior Member Username: david_axt Post Number: 1802 Registered: 03-2002 Posted on Wednesday, June 26, 2019 - 12:31 am:    Check out FSK insulation. David G. Axt, CCS, CSI, SCIP Specifications Consultant Axt Consulting LLC Brett Scarfino (Unregistered Guest) Unregistered guest Posted on Wednesday, June 26, 2019 - 01:33 pm:    try searching for "intumescent" coatings; sometimes used in conjunction with spray foam insulations. Trevor Senior Member Username: trevorpan Post Number: 30 Registered: 04-2014 Posted on Wednesday, June 26, 2019 - 02:07 pm:    Hi David, That FSK is pretty neat, thank you. Have you used wires, or something to keep them against the deck? Have you ever used a blanket type wrap? The reason, I'm asking is the spacing of steel joists is not the same as wood framing, or steel studs. Trevor Trevor Pan http://www.trevorpan.com Guest (Unregistered Guest) Unregistered guest Posted on Wednesday, June 26, 2019 - 02:41 pm:    Why not try a semi-rigid mineral wool board insulation with a facer (Owens Corning's Thermafiber Versaboard for example) and welded stick pins for attachment/support with a domed cap retention washer? Trevor Senior Member Username: trevorpan Post Number: 31 Registered: 04-2014 Posted on Wednesday, June 26, 2019 - 03:53 pm:    Guest, http://isolatek.com/rigid-board-app/#videostab-tab that's a pretty clever clip system. The versa board is a good thing to know about. My sense is they are looking at the batt type insulation due to cost. The roof is arched, not sure how "bendable" a board product is. Right now the https://www.jm.com/content/dam/jm/global/en/building-insulation/Files/BI%20Data%20Sheets/Resi%20and%20Commercial/BID-0147-FSK25-BioBinder-DS.pdf may be most in line with the client goals. Are the fabric-type sheets that hold insulation up generally for that purpose, or are people using different things to give the insulation a neat appearance? It's very possible I'm looking for something that doesn't exist... Appreciate everyone's thoughts. Trevor Trevor Pan http://www.trevorpan.com Trevor Senior Member Username: trevorpan Post Number: 32 Registered: 04-2014 Posted on Wednesday, June 26, 2019 - 04:39 pm:    This may be the most appropriate. I've enclosed a cutsheet. The FSK-25 was perfect, but for stud walls, and standard width framing. I called JM and this metal building insulation has the flame spread 25, smoke 50 and has a facing that can overlap... https://www.trevorpan.com/stuff/AirMethods/Microlite_L_MBI_200.pdf If anyone knows of something even better let me know! Thank you much, Trevor Trevor Pan http://www.trevorpan.com Steve Pirozzi, CSI, CDT Senior Member Username: spirozzi Post Number: 12 Registered: 12-2006 Posted on Friday, June 28, 2019 - 08:52 am:    Take a look at Monoglass (https://monoglass.com/). Phil Kabza Senior Member Username: phil_kabza Post Number: 631 Registered: 12-2002 Posted on Tuesday, August 06, 2019 - 04:53 pm:    Look at the Simple Saver insulation and liner system https://thermaldesign.com/products/category/simple_saver/a_simple_choice We've used it numerous times with good success on gymnasium buildings and natatoria. Ed Storer Senior Member Username: ed_storer Post Number: 21 Registered: 05-2009 Posted on Thursday, August 29, 2019 - 02:31 pm:    PVC is intrinsically fire resistant - it melts but doesn't burn first. Use perforated PVC if no vapor resistance is required and unperforated if it is. Phil's recommendation is a good system.