# Product Discussions **URL:** https://forum.4specs.com/c/specification-product-discussions/product-discussions/26.md [Latest](https://forum.4specs.com/latest.md) · [Categories](https://forum.4specs.com/categories.md) · [Tags](https://forum.4specs.com/tags.md) --- ## [About the Product Discussions category](https://forum.4specs.com/t/about-the-product-discussions-category/4199)
**Author:** [@system](https://forum.4specs.com/u/system)\ **Replies:** 0\ **Last updated:** [July 8, 2026, 7:30pm UTC](https://forum.4specs.com/t/about-the-product-discussions-category/4199 "2026-07-08T19:30:53Z")
--- ## [Metal joist hangers](https://forum.4specs.com/t/metal-joist-hangers/4167)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 9\ **Last updated:** [August 3, 2026, 1:00am UTC](https://forum.4specs.com/t/metal-joist-hangers/4167 "2026-08-03T01:00:47Z")
I am looking for equivalents to Simpson Strong-Tie products. Simpson has such a foothold in the market, but the owner wants equivalents. In the past, I have specified KC Metals, but I am not sure they are still around. … --- ## [Refinishing Existing Portland Cement Terrazzo](https://forum.4specs.com/t/refinishing-existing-portland-cement-terrazzo/4237)
**Author:** [@cricke](https://forum.4specs.com/u/cricke)\ **Replies:** 7\ **Last updated:** [August 1, 2026, 11:37pm UTC](https://forum.4specs.com/t/refinishing-existing-portland-cement-terrazzo/4237 "2026-08-01T23:37:36Z")
4Specs Community, I’m looking for advice and resources for specifications regarding refinishing an existing portland cement terrazzo floor. NTMA has a good start in their guide specification Section 090160.91: https://… --- ## [Rain Chains](https://forum.4specs.com/t/rain-chains/4172)
**Author:** [@embspecwriter](https://forum.4specs.com/u/embspecwriter)\ **Replies:** 0\ **Last updated:** [June 11, 2026, 2:09pm UTC](https://forum.4specs.com/t/rain-chains/4172 "2026-06-11T14:09:09Z")
Does anyone have a Rain Chain product they’ve successfully used on projects? For a Higher-Ed facility in Texas. …searched forum archives there was some discussion from 2006, many moons ago. --- ## [MCM Panel Deflection](https://forum.4specs.com/t/mcm-panel-deflection/4169)
**Author:** [@David\_Stutzman](https://forum.4specs.com/u/David_Stutzman)\ **Replies:** 4\ **Last updated:** [June 2, 2026, 5:59pm UTC](https://forum.4specs.com/t/mcm-panel-deflection/4169 "2026-06-02T17:59:29Z")
I am having a discussion with a client about allowable deflection for MCM panels. He shared a spec requirement stating a maximum bow of 0.8% of the panel width and height. That would be L/125 deflection limit. He shared… --- ## [Prefabricated wall panels?](https://forum.4specs.com/t/prefabricated-wall-panels/4164)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 4\ **Last updated:** [June 1, 2026, 8:51pm UTC](https://forum.4specs.com/t/prefabricated-wall-panels/4164 "2026-06-01T20:51:52Z")
The construction manager told the architect that the wall panels would be prefabricated and shipped to the site for erection. These panels make a lot of sense for various reasons: inclement weather, small construction s… --- ## [Golf simulator?](https://forum.4specs.com/t/golf-simulator/4152)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 7\ **Last updated:** [April 23, 2026, 1:27pm UTC](https://forum.4specs.com/t/golf-simulator/4152 "2026-04-23T13:27:54Z")
My client wants me to specify a golf simulator. The company is Full Swing (www.fullswinggolf.com) Has anyone specified one of these before? What MasterFormat number and title shall I use? Thanks! --- ## [Phone Pod?](https://forum.4specs.com/t/phone-pod/4154)
**Author:** [@lshrdn](https://forum.4specs.com/u/lshrdn)\ **Replies:** 4\ **Last updated:** [April 15, 2026, 6:37pm UTC](https://forum.4specs.com/t/phone-pod/4154 "2026-04-15T18:37:29Z")
Does anyone have any idea as to what MasterFormat™ number should be used for a Phone Pod? My thought would be somewhere in Division 13: Maybe 13 22 00 Office Shelters and Booths? Though I can see it in Division 10 or 12… --- ## [Recessed Floor Receptacles (Poke-Thru's) - Do they need an L rating?](https://forum.4specs.com/t/recessed-floor-receptacles-poke-thrus-do-they-need-an-l-rating/4148)
**Author:** [@nwoods](https://forum.4specs.com/u/nwoods)\ **Replies:** 0\ **Last updated:** [March 25, 2026, 11:45pm UTC](https://forum.4specs.com/t/recessed-floor-receptacles-poke-thrus-do-they-need-an-l-rating/4148 "2026-03-25T23:45:20Z")
I’m having an issue on a project where I have a 2-hour floor/ceiling assembly (3.25" lightweight concrete over 3" metal deck) with poke-thru’s in the floor. A poke thru is a recessed, in-floor, flush mounted electrical … --- ## [Big 12 ditching slippery glass floor for hardwood](https://forum.4specs.com/t/big-12-ditching-slippery-glass-floor-for-hardwood/4144)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 2\ **Last updated:** [March 18, 2026, 4:16pm UTC](https://forum.4specs.com/t/big-12-ditching-slippery-glass-floor-for-hardwood/4144 "2026-03-18T16:16:49Z")
This was the headline on internet news today: “Big 12 ditching slippery glass floor for hardwood for rest of tournament.” I never even knew that glass gym floors were a thing! It looks like a company called ASB GlassFoo… --- ## [Client Masters - What would you do?](https://forum.4specs.com/t/client-masters-what-would-you-do/4141)
**Author:** [@brian\_payne](https://forum.4specs.com/u/brian_payne)\ **Replies:** 4\ **Last updated:** [March 13, 2026, 8:30pm UTC](https://forum.4specs.com/t/client-masters-what-would-you-do/4141 "2026-03-13T20:30:49Z")
I was recently provided with a full set of partially edited specification. This is the client’s brand new set of specifications to be used on all future projects. The masters are edited versions of commercially availab… --- ## [CRYOGENIC SAFETY SOLUTIONS](https://forum.4specs.com/t/cryogenic-safety-solutions/4135)
**Author:** [@wayne\_yancey](https://forum.4specs.com/u/wayne_yancey)\ **Replies:** 0\ **Last updated:** [February 11, 2026, 1:11am UTC](https://forum.4specs.com/t/cryogenic-safety-solutions/4135 "2026-02-11T01:11:40Z")
I am specifying a liquid nitrogen floor protector/decanting mat. I am asking for suggestions for a section 3-title. I am considering a Div 10 miscellaneous specialties section. --- ## [spray foam insulation that is FM approved](https://forum.4specs.com/t/spray-foam-insulation-that-is-fm-approved/4129)
**Author:** [@tracy\_van\_niel](https://forum.4specs.com/u/tracy_van_niel)\ **Replies:** 2\ **Last updated:** [December 3, 2025, 6:02pm UTC](https://forum.4specs.com/t/spray-foam-insulation-that-is-fm-approved/4129 "2025-12-03T18:02:08Z")
Happy almost Thanksgiving Day to everyone. We have an FM project and need a sprayed insulation in some of the wall areas. The typical low expansion foam that we use does not appear to be FM approved. I’ve tried to do … --- ## [StormCure - Liquid Applied Roofing Material](https://forum.4specs.com/t/stormcure-liquid-applied-roofing-material/4125)
**Author:** [@nwoods](https://forum.4specs.com/u/nwoods)\ **Replies:** 0\ **Last updated:** [October 7, 2025, 12:04am UTC](https://forum.4specs.com/t/stormcure-liquid-applied-roofing-material/4125 "2025-10-07T00:04:48Z")
Anyone used this product before? It comes from Europe, but I am not familiar with it. My roofing contractor loves it, which makes me a bit suspicious as to why… LOL. https://stormcure.com/ --- ## [Metal Casework](https://forum.4specs.com/t/metal-casework/4122)
**Author:** [@jrlbarch](https://forum.4specs.com/u/jrlbarch)\ **Replies:** 2\ **Last updated:** [August 26, 2025, 3:51pm UTC](https://forum.4specs.com/t/metal-casework/4122 "2025-08-26T15:51:54Z")
What manufacturers produce durable metal wall and base cabinetry with countertops, suitable for use in a maintenance garage space for the organized storage of reference materials, small tools, and related equipment? Any… --- ## [Cementious-Coated Foam Backer Board?](https://forum.4specs.com/t/cementious-coated-foam-backer-board/4118)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 4\ **Last updated:** [July 30, 2025, 8:38pm UTC](https://forum.4specs.com/t/cementious-coated-foam-backer-board/4118 "2025-07-30T20:38:31Z")
Has anyone specified these foam products such as Wedi Board, Schluter Kerdi-Board, Laticrete Hydro Ban Board, or NobleBoard? --- ## [geotexile fabric under drainage layer](https://forum.4specs.com/t/geotexile-fabric-under-drainage-layer/4115)
**Author:** [@presbspec](https://forum.4specs.com/u/presbspec)\ **Replies:** 2\ **Last updated:** [July 11, 2025, 3:33pm UTC](https://forum.4specs.com/t/geotexile-fabric-under-drainage-layer/4115 "2025-07-11T15:33:24Z")
I have a project where the contractor wants to place a geotextile fabric below the drainage layer of the the 4" slab on grade, 18" geofoam insulation and a 6’ drainage layer. This is in an area where ground water is no… --- ## [Lime Wash Paint](https://forum.4specs.com/t/lime-wash-paint/4084)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 8\ **Last updated:** [May 9, 2025, 10:51pm UTC](https://forum.4specs.com/t/lime-wash-paint/4084 "2025-05-09T22:51:17Z")
Has anyone specified lime wash paint? I have never even heard of such a product! Here is the product that my client wants me to specify: BauWerk Color: https://www.bauwerkcolour.com/en-us Any help would be greatly appr… --- ## [Fire-rated and waterproof access door?](https://forum.4specs.com/t/fire-rated-and-waterproof-access-door/4095)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 1\ **Last updated:** [January 16, 2025, 2:28am UTC](https://forum.4specs.com/t/fire-rated-and-waterproof-access-door/4095 "2025-01-16T02:28:02Z")
So, my architect wants me to specify an access door in a tiled shower. The wall is 1 hour rated. Does such an animal exist? --- ## [CERACLAD: Any experience?](https://forum.4specs.com/t/ceraclad-any-experience/4092)
**Author:** [@Phil\_Kabza](https://forum.4specs.com/u/Phil_Kabza)\ **Replies:** 4\ **Last updated:** [January 8, 2025, 9:10pm UTC](https://forum.4specs.com/t/ceraclad-any-experience/4092 "2025-01-08T21:10:25Z")
I found one 10 year old mention. Our client is looking for alternatives to Swiss Pearl. Good Product? Do they deliver as needed? --- ## [Golf Simulator Equipment](https://forum.4specs.com/t/golf-simulator-equipment/3954)
**Author:** [@jpjordan](https://forum.4specs.com/u/jpjordan)\ **Replies:** 3\ **Last updated:** [January 7, 2025, 10:37pm UTC](https://forum.4specs.com/t/golf-simulator-equipment/3954 "2025-01-07T22:37:12Z")
Anyone done a specification for golf simulator equipment (perhaps Section 11 67 63) that they would like to share? --- ## [Cloverdale Paint buys Miller Paint](https://forum.4specs.com/t/cloverdale-paint-buys-miller-paint/4077)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 1\ **Last updated:** [November 7, 2024, 1:36pm UTC](https://forum.4specs.com/t/cloverdale-paint-buys-miller-paint/4077 "2024-11-07T13:36:49Z")
More paint news. Cloverdale, a Canadian paint company, bought Rodda Paint a few years ago. Now they are buying Miller Paint. Rodda and Miller are big Pacific NW regional brands. --- ## [Is PPG circling the drain?](https://forum.4specs.com/t/is-ppg-circling-the-drain/4075)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 11\ **Last updated:** [October 30, 2024, 7:54pm UTC](https://forum.4specs.com/t/is-ppg-circling-the-drain/4075 "2024-10-30T19:54:40Z")
I heard rumors that PPG was bought up by another company and fired its CEO. I also heard that PPG is selling off its architectural paint line and concentrating on high-performance, industrial, and marine coatings. Does … --- ## [Reusing rubber base](https://forum.4specs.com/t/reusing-rubber-base/4071)
**Author:** [@khercenberg](https://forum.4specs.com/u/khercenberg)\ **Replies:** 7\ **Last updated:** [September 30, 2024, 3:28pm UTC](https://forum.4specs.com/t/reusing-rubber-base/4071 "2024-09-30T15:28:40Z")
Has anyone ever removed and reused rubber base successfully? I’ve been asked to write a spec to remove and reinstall rubber base. Years ago when I was on the construction side I removed base but it was never in a conditi… --- ## [Concrete or Forensic Concrete Experts](https://forum.4specs.com/t/concrete-or-forensic-concrete-experts/4055)
**Author:** [@specman](https://forum.4specs.com/u/specman)\ **Replies:** 4\ **Last updated:** [June 12, 2024, 4:05pm UTC](https://forum.4specs.com/t/concrete-or-forensic-concrete-experts/4055 "2024-06-12T16:05:21Z")
Does anyone know of a good concrete expert in the Pacific Northwest area (or anywhere in the western U.S.)? A client is looking for some advice on a project. Thanks. --- ## [Painting Tile](https://forum.4specs.com/t/painting-tile/4049)
**Author:** [@johnhunter](https://forum.4specs.com/u/johnhunter)\ **Replies:** 1\ **Last updated:** [June 3, 2024, 12:20am UTC](https://forum.4specs.com/t/painting-tile/4049 "2024-06-03T00:20:09Z")
So the design team has decided they’d like to paint some existing wall tile. It’s a budget project, so I understand the motivation, but everything about it screams “no” to me. The internet seems to think it’s an OK idea … --- ## [Leather tile?](https://forum.4specs.com/t/leather-tile/4048)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 3\ **Last updated:** [May 15, 2024, 3:48pm UTC](https://forum.4specs.com/t/leather-tile/4048 "2024-05-15T15:48:50Z")
The interior designer wants to use leather tile at a bar in a hotel. I have never heard of such a material. Is it just glued on the substrate with adhesive? Any help would be appreciated. --- ## [Integral water repellents in CMU](https://forum.4specs.com/t/integral-water-repellents-in-cmu/4046)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 2\ **Last updated:** [May 3, 2024, 6:17pm UTC](https://forum.4specs.com/t/integral-water-repellents-in-cmu/4046 "2024-05-03T18:17:14Z")
There has been some discussion lately about integral water repellents in concrete masonry units. Do they affect the mortar bond strength? Do they affect the application of surface-applied water repellents? --- ## [TYVEK and PFAS](https://forum.4specs.com/t/tyvek-and-pfas/4033)
**Author:** [@robin](https://forum.4specs.com/u/robin)\ **Replies:** 0\ **Last updated:** [February 28, 2024, 4:31pm UTC](https://forum.4specs.com/t/tyvek-and-pfas/4033 "2024-02-28T16:31:28Z")
has anyone heard about PFAS and how Tyvek coated water barrier and flashing contains this and may be releasing chemicals into the water? --- ## [Hufcor](https://forum.4specs.com/t/hufcor/3876)
**Author:** [@khercenberg](https://forum.4specs.com/u/khercenberg)\ **Replies:** 7\ **Last updated:** [February 13, 2024, 3:18pm UTC](https://forum.4specs.com/t/hufcor/3876 "2024-02-13T15:18:28Z")
Just heard that Hufcor is history. As many of you know, the family who owned Hufcor was bought out a few years back by a holding company that sent production to Mexico; then the wheels fell off. They just laid off anoth… [Next page](https://forum.4specs.com/c/specification-product-discussions/product-discussions/26.md?page=1)