# Archive - Product Discussions #4 **URL:** https://forum.4specs.com/c/archive-of-older-topics/archive-product-discussions-4/25.md [Latest](https://forum.4specs.com/latest.md) · [Categories](https://forum.4specs.com/categories.md) · [Tags](https://forum.4specs.com/tags.md) --- ## [About the Archive - Product Discussions #4 category](https://forum.4specs.com/t/about-the-archive-product-discussions-4-category/4198)
**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-archive-product-discussions-4-category/4198 "2026-07-08T19:30:53Z")
--- ## [hot asphalt for mod bit - substitution request](https://forum.4specs.com/t/hot-asphalt-for-mod-bit-substitution-request/1773)
**Author:** [@lynn\_javoroski](https://forum.4specs.com/u/lynn_javoroski)\ **Replies:** 18\ **Last updated:** [September 7, 2011, 5:41pm UTC](https://forum.4specs.com/t/hot-asphalt-for-mod-bit-substitution-request/1773 "2011-09-07T17:41:51Z")
From the architect: The contractor wants to substitute the specified Modified Bitumen Asphalt (Garland Versiply 80 SBS) roofing with Johns Manville 4-ply (4GIC-CR) hot asphalt roofing because it provides cost savings to… --- ## [ISO 13007 tile setting methods](https://forum.4specs.com/t/iso-13007-tile-setting-methods/1723)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 6\ **Last updated:** [August 23, 2011, 8:08pm UTC](https://forum.4specs.com/t/iso-13007-tile-setting-methods/1723 "2011-08-23T20:08:50Z")
Has anyone started specifying tile setting methods with ISO 13007 in lieu of ANSI standards? --- ## [Knocked-down vs, welded HM door frames](https://forum.4specs.com/t/knocked-down-vs-welded-hm-door-frames/1756)
**Author:** [@anon](https://forum.4specs.com/u/anon)\ **Replies:** 15\ **Last updated:** [August 23, 2011, 7:53pm UTC](https://forum.4specs.com/t/knocked-down-vs-welded-hm-door-frames/1756 "2011-08-23T19:53:43Z")
Aside from aesthetics, is there any reason not to accept knocked-down HM door frames over welded for interior doors? --- ## [Cable hangers for signs](https://forum.4specs.com/t/cable-hangers-for-signs/1763)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 7\ **Last updated:** [August 5, 2011, 4:34pm UTC](https://forum.4specs.com/t/cable-hangers-for-signs/1763 "2011-08-05T16:34:10Z")
I am looking for stainless steel “aircraft” cable and accessories for hanging signs. --- ## [Tile Backer Board](https://forum.4specs.com/t/tile-backer-board/1751)
**Author:** [@gerard\_sanchis](https://forum.4specs.com/u/gerard_sanchis)\ **Replies:** 6\ **Last updated:** [July 29, 2011, 10:49pm UTC](https://forum.4specs.com/t/tile-backer-board/1751 "2011-07-29T22:49:20Z")
Is anyone familiar with, or has used a tile backer board called “WEDI BOARD?” It is proposed as a substitution on a large federal project that we specified and consists of a polystyrene core and fiberglass mesh and poly… --- ## [Preformed vs. field cut wall base corners](https://forum.4specs.com/t/preformed-vs-field-cut-wall-base-corners/1742)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 6\ **Last updated:** [July 13, 2011, 10:13pm UTC](https://forum.4specs.com/t/preformed-vs-field-cut-wall-base-corners/1742 "2011-07-13T22:13:54Z")
Even though I specify preformed molded corners for resilient base, I always get field cut corners. Are molded corners a thing of the past? Does anyone install molded corners anymore? --- ## [3-hole vs. 10-hole brick](https://forum.4specs.com/t/3-hole-vs-10-hole-brick/1744)
**Author:** [@Paul\_Sweet](https://forum.4specs.com/u/Paul_Sweet)\ **Replies:** 8\ **Last updated:** [July 11, 2011, 9:03pm UTC](https://forum.4specs.com/t/3-hole-vs-10-hole-brick/1744 "2011-07-11T21:03:01Z")
The mason for a large science building under construction is saying that he needs to increase the quantity of mortar mix from 7 bags to 10 bags per 1000 bricks because the selected bricks had 3 holes instead of 10. I ca… --- ## [composite wood decking](https://forum.4specs.com/t/composite-wood-decking/1725)
**Author:** [@sheldon\_wolfe](https://forum.4specs.com/u/sheldon_wolfe)\ **Replies:** 6\ **Last updated:** [June 15, 2011, 8:28pm UTC](https://forum.4specs.com/t/composite-wood-decking/1725 "2011-06-15T20:28:03Z")
Is there a generic guide specification for composite wood for decks and siding? Probably HDPE, maybe LDPE or HDPP. Any thoughts on which is the better material? This was just called in as an add to an existing project, d… --- ## [ACRYLIC COATINGS FOR COOL ROOFS](https://forum.4specs.com/t/acrylic-coatings-for-cool-roofs/1717)
**Author:** [@wayne\_yancey](https://forum.4specs.com/u/wayne_yancey)\ **Replies:** 8\ **Last updated:** [June 10, 2011, 8:16pm UTC](https://forum.4specs.com/t/acrylic-coatings-for-cool-roofs/1717 "2011-06-10T20:16:44Z")
I have been warned (buyer beware) to stay clear of acrylic coating technology on SBS cap sheets because the acrylic coating is so thin it will prematurely crack and not perform over the long haul. Does anyone have factu… --- ## [Sliding doors for bathrooms](https://forum.4specs.com/t/sliding-doors-for-bathrooms/1687)
**Author:** [@rhinkle](https://forum.4specs.com/u/rhinkle)\ **Replies:** 10\ **Last updated:** [June 1, 2011, 10:47pm UTC](https://forum.4specs.com/t/sliding-doors-for-bathrooms/1687 "2011-06-01T22:47:18Z")
We are having some issues with sliding doors used for bathroom doors. I have not been able to do a detailed look at what we specified yet, but the doors are to heavy, the hardware does not work,etc. I have seen the new… --- ## [U-value for steel door?](https://forum.4specs.com/t/u-value-for-steel-door/1716)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 10\ **Last updated:** [May 20, 2011, 11:49pm UTC](https://forum.4specs.com/t/u-value-for-steel-door/1716 "2011-05-20T23:49:39Z")
What is the U-value for a steel door/frame with either polystyrene or polyurethane core? I can’t seem to find this information on manufacturer’s websites. --- ## [Trench Cover in Lab](https://forum.4specs.com/t/trench-cover-in-lab/1682)
**Author:** [@jpjordan](https://forum.4specs.com/u/jpjordan)\ **Replies:** 6\ **Last updated:** [May 10, 2011, 6:36pm UTC](https://forum.4specs.com/t/trench-cover-in-lab/1682 "2011-05-10T18:36:19Z")
I need a manufacturer/product who makes a trench cover plate for a high school lab in which the cover is recessed to receive a resilient floor finish. It would be very similar to the types of expansion joint covers that… --- ## [Elongation for Flashing](https://forum.4specs.com/t/elongation-for-flashing/1699)
**Author:** [@lynn\_jolley](https://forum.4specs.com/u/lynn_jolley)\ **Replies:** 8\ **Last updated:** [May 3, 2011, 2:14am UTC](https://forum.4specs.com/t/elongation-for-flashing/1699 "2011-05-03T02:14:51Z")
How important is elongation where flashing is concerned? I have a flashing that has 200% elongation and substitution request for a product that has 16% elongation. Is the 200% elongation equivalent to a tricycle that c… --- ## [Moisture Mitagation Coating](https://forum.4specs.com/t/moisture-mitagation-coating/1698)
**Author:** [@David\_Axt](https://forum.4specs.com/u/David_Axt)\ **Replies:** 23\ **Last updated:** [April 25, 2011, 11:35pm UTC](https://forum.4specs.com/t/moisture-mitagation-coating/1698 "2011-04-25T23:35:31Z")
I am currently specifying a mositure vapor mitagation coating for a renovation project. What is the best way to have the Contractor bid on this system since the quantity will be unknown until the floor covering is ready… --- ## [Painting Structural Steel](https://forum.4specs.com/t/painting-structural-steel/1678)
**Author:** [@mark\_gilligan](https://forum.4specs.com/u/mark_gilligan)\ **Replies:** 21\ **Last updated:** [April 2, 2011, 10:24pm UTC](https://forum.4specs.com/t/painting-structural-steel/1678 "2011-04-02T22:24:15Z")
The structural steel specification section, based on the Structural Engineers specification, typically addresses the issues of surface preparation and application of shop coat. The two common approaches are either to sp… --- ## [Stego Wrap](https://forum.4specs.com/t/stego-wrap/1660)
**Author:** [@Unregistered\_Guest](https://forum.4specs.com/u/Unregistered_Guest)\ **Replies:** 6\ **Last updated:** [March 1, 2011, 6:41pm UTC](https://forum.4specs.com/t/stego-wrap/1660 "2011-03-01T18:41:46Z")
Has anyone here ever used Stego Wrap as a below grade waterproofing? Their website shows details that they can with the additional Stego Mastic. I always have used it as a below slab Vapor Retarder, but never as waterp… --- ## [Can it pass the NFPA 285 test per Section 2603.5.5 of the 2006 IBC?](https://forum.4specs.com/t/can-it-pass-the-nfpa-285-test-per-section-2603-5-5-of-the-2006-ibc/1662)
**Author:** [@jpjordan](https://forum.4specs.com/u/jpjordan)\ **Replies:** 14\ **Last updated:** [March 1, 2011, 5:54pm UTC](https://forum.4specs.com/t/can-it-pass-the-nfpa-285-test-per-section-2603-5-5-of-the-2006-ibc/1662 "2011-03-01T17:54:22Z")
This issue was raised in another thread, but I have recently had it come on in a different kind of assembly. Exterior Wall Assembly (outside to inside): Metal wall panel, rigid polyurethane insulation; gypsum sheathing… --- ## [rated cooler doors](https://forum.4specs.com/t/rated-cooler-doors/1404)
**Author:** [@robin](https://forum.4specs.com/u/robin)\ **Replies:** 6\ **Last updated:** [March 1, 2011, 4:52pm UTC](https://forum.4specs.com/t/rated-cooler-doors/1404 "2011-03-01T16:52:00Z")
Anyone know of either a cooler door that carries a rating (20 min) I can use in a corridor, or a corridor door that can function as a cooler door? This is for a cooler that is part of a rated corridor and AHJ are requir… --- ## [mystery product, wall anchor](https://forum.4specs.com/t/mystery-product-wall-anchor/1557)
**Author:** [@Unregistered\_Guest](https://forum.4specs.com/u/Unregistered_Guest)\ **Replies:** 20\ **Last updated:** [February 17, 2011, 4:47pm UTC](https://forum.4specs.com/t/mystery-product-wall-anchor/1557 "2011-02-17T16:47:36Z")
I’ve sent countless e-mails to manufacturers of toilet accessories, medical and veterinary equipment, storage and vehicle tie-downs, security equipment, and more, trying to track down this wall anchor with the blue stra… --- ## [Standing Seam Roofing - Alum vs Steel?](https://forum.4specs.com/t/standing-seam-roofing-alum-vs-steel/1649)
**Author:** [@nwoods](https://forum.4specs.com/u/nwoods)\ **Replies:** 7\ **Last updated:** [February 11, 2011, 5:27pm UTC](https://forum.4specs.com/t/standing-seam-roofing-alum-vs-steel/1649 "2011-02-11T17:27:06Z")
I have a project on southern coast of California where a standing seam metal roof is proposed. There is a discussion among the various parties involved in this project regarding the use of aluminum verses steel for the … --- ## [BRICK PAVERS INSTALLATIONS IN NEW ENGLAND](https://forum.4specs.com/t/brick-pavers-installations-in-new-england/1653)
**Author:** [@wayne\_yancey](https://forum.4specs.com/u/wayne_yancey)\ **Replies:** 14\ **Last updated:** [February 11, 2011, 5:18pm UTC](https://forum.4specs.com/t/brick-pavers-installations-in-new-england/1653 "2011-02-11T17:18:36Z")
I recently encountered a pedestrian traffic grade clay brick paver assembly that seems to be prevelant in New England. New Haven CT to be exact. It consists of pavers over 2% neporene modified asphalt adhesive over 3/4"… --- ## [Moisture issues in concrete slabs](https://forum.4specs.com/t/moisture-issues-in-concrete-slabs/1582)
**Author:** [@Unregistered\_Guest](https://forum.4specs.com/u/Unregistered_Guest)\ **Replies:** 17\ **Last updated:** [February 10, 2011, 6:32pm UTC](https://forum.4specs.com/t/moisture-issues-in-concrete-slabs/1582 "2011-02-10T18:32:19Z")
What is everyone doing to mitigate moisture issues in concrete slabs requiring carpet or VCT? We are working on a fast track project that has 98% RH in the concrete and we need to get down to the 70s to apply the floor … --- ## [099600 special coatings - epoxy "paint" vs epoxy coatings](https://forum.4specs.com/t/099600-special-coatings-epoxy-paint-vs-epoxy-coatings/1609)
**Author:** [@mchavez](https://forum.4specs.com/u/mchavez)\ **Replies:** 12\ **Last updated:** [January 31, 2011, 6:41pm UTC](https://forum.4specs.com/t/099600-special-coatings-epoxy-paint-vs-epoxy-coatings/1609 "2011-01-31T18:41:16Z")
there is the stuff the the painters sell and stuff the epoxy floor people sell - let’s leave the fiber glass mats or chopped material aside for the moment. What is the REAL difference; scrubbability, and a bunch of othe… --- ## [Firefree 88](https://forum.4specs.com/t/firefree-88/1640)
**Author:** [@lawrey](https://forum.4specs.com/u/lawrey)\ **Replies:** 10\ **Last updated:** [January 29, 2011, 5:02am UTC](https://forum.4specs.com/t/firefree-88/1640 "2011-01-29T05:02:33Z")
Has anyone ever heard of, specified, or allowed use of Firefree 88 by Firefree Corp., San Rafael, CA? Specific application under question is fire-resistant coating for 12-inch wood ‘I’ joists. I’m somewhat skeptical of… --- ## [Hydrostop fluid applied roofing](https://forum.4specs.com/t/hydrostop-fluid-applied-roofing/1642)
**Author:** [@awhitacre](https://forum.4specs.com/u/awhitacre)\ **Replies:** 9\ **Last updated:** [January 18, 2011, 1:03am UTC](https://forum.4specs.com/t/hydrostop-fluid-applied-roofing/1642 "2011-01-18T01:03:12Z")
I’m reviewing a set of specs for an earlier phase of a project that I’m working on, and it includes a spec section for "Hydrostop fluid applied roofing’; it is 100% acrylic elastomer; 55 mil thickness… and I’ve never hea… --- ## [Alternating Tread Stairs](https://forum.4specs.com/t/alternating-tread-stairs/1607)
**Author:** [@jrlbarch](https://forum.4specs.com/u/jrlbarch)\ **Replies:** 18\ **Last updated:** [December 17, 2010, 3:51pm UTC](https://forum.4specs.com/t/alternating-tread-stairs/1607 "2010-12-17T15:51:48Z")
Does anyone have information on manufacturers other that Lapeyre Stair for alternating tread stairs? --- ## [Alternates to Kalwall](https://forum.4specs.com/t/alternates-to-kalwall/1595)
**Author:** [@csawyer](https://forum.4specs.com/u/csawyer)\ **Replies:** 6\ **Last updated:** [December 6, 2010, 4:32pm UTC](https://forum.4specs.com/t/alternates-to-kalwall/1595 "2010-12-06T16:32:55Z")
I believe Major industries is a subsidiary of Kawall (of the other way around). It is generally listed as the alternative to Kalwall in specifications. Does anyone know of any other products in like to the fiberglass co… --- ## [waterproofing in cold temps](https://forum.4specs.com/t/waterproofing-in-cold-temps/1585)
**Author:** [@lynn\_javoroski](https://forum.4specs.com/u/lynn_javoroski)\ **Replies:** 33\ **Last updated:** [November 24, 2010, 2:41pm UTC](https://forum.4specs.com/t/waterproofing-in-cold-temps/1585 "2010-11-24T14:41:03Z")
Contractor wants to use TegraTite-Plus. I have no experience with the product. Does anyone have an opinion to offer? --- ## [Integrated PV and Metal Roof](https://forum.4specs.com/t/integrated-pv-and-metal-roof/1579)
**Author:** [@lgoodrob](https://forum.4specs.com/u/lgoodrob)\ **Replies:** 6\ **Last updated:** [November 11, 2010, 1:17am UTC](https://forum.4specs.com/t/integrated-pv-and-metal-roof/1579 "2010-11-11T01:17:34Z")
Oh wise colleagues, Have you specified a metal roof with integrated photovoltaic properties? We have a client who would like to do just that. Suggestions? [Next page](https://forum.4specs.com/c/archive-of-older-topics/archive-product-discussions-4/25.md?page=1)