Also, Martin Holladay, a tape-testing whiz, says this: In my experience, the best tapes for XPS are either Siga Wigluv or Siga Sicral. (These European tapes are available from Small Planet Workshop.) The best U.S. tape for XPS is 3M All Weather flashing tape. (You might appreciate Martin’s backyard tape testing experiments.)

2009年11月10日 · If it's possible to remove and re-attach the foam board, I would suggest either a foam-compatible adhesive caulk or low-expansion spray foam applied to each joint, particularly the non T&G butt joints. Using two layers of 1" foam board, with staggered and sealed joints is an even better way of guaranteeing a good air barrier.

2022年9月15日 · We will be installing foil faced foam insulation for our roof which will be acting as a radiant barrier. I’m having a hard time finding a foil tape that is rated for use in this application. Specifically, we’ll be using Halo Exterra insulation, and they recommend a few different tapes for sealing seams on their boards.

2019年4月20日 · Regardless, you also want to tape the seams with foil tape. The foil is a vapor barrier. Use a UL listed tape (it's printed all over the tape), and make sure to clean the surface of the foam first. Some of the UL listed foil-looking tape is actually plastic tape with a metallic finish. It might work, but I still like the actual foil.

2021年6月30日 · Tape Product Recommendation for Rigid Foam Seams. Replies. PLIERS | Jun 30, 2021 10:34am | #1. Hi actually ...

2024年3月29日 · Provides more support for the foam while installing exterior panels 2.) Provides a good barrier that can be tucked into window and door opening for better water ingress protection 3.) A final layer of protection for air sealing in the event the foam board tape degrades with time, and/or, doesn't seal properly during application.

2010年8月6日 · Closure systems used with rigid fibrous glass ducts shall comply with UL181A and shall be marked181A-P for pressure-sensitive tape, 181A-M for mastic or 181 A-H for heat-sensitive tape. Closure systems used with flexible air ducts and flexible air connectors shall comply with UL 181B and shall be marked181B-FX for pressure-sensitive tape or ...

2017年7月30日 · Norman Greenville, SC CZ 3A (mixed humid) I am finalizing my wall design which current works like this from the sheathing out: - 1/2" OSB with taped seams and Knauf Eco-Seal Plus on the interior for air barrier (will do air-tight drywall inside for a belt and suspenders approach). - Tyvek DrainWrap with taped seams (WRB and drain-plane) - 1/2" foli face polyiso …

2015年1月22日 · Almost all sources agree that a high-quality tape will do a better job of air sealing than canned spray foam. The best tapes for this purpose are European tapes sold by Small Planet Workshop and 475 High-Performance Building Materials.

2016年11月13日 · It sounds like you bought the cheap stuff -- a type of EPS that is hard to tape. You can try a high-quality tape like Siga Wigluv. I've never tried to tape cheap EPS with Wigluv, so I don't know how it will work, but it's worth a try. The alternative solution is to use caulk and canned spray foam.