Wipe the surface of the foam with a clean dry cloth before taping to ensure good adhesion by removing dirt or oil residue which is common on foil-faced polyiso. Do You Put the Shiny Side of Foil Insulation Up or Down on a Metal Roof. AP Foil-Faced Foam Sheathing. Your realtor may or may not be correct as cellulose-based (wood-based) insulating board panels were made from a variety of products, not just sugar cane. Class A facing which is often used in attic, roof, or wall barrier applications. If you can attach a photo of the rest of the text on your board and of any patent numbers that would be most helpful.
Dow Froth-Pak 200 Sealant Kit. Abstract This is Part II of a review covering the wide range of issues associated with all aspects of the use and responsible disposal of foam and plastic wastes containing toxic or potentially toxic flame retardants. Aluminum foil faced insulation board. Better at preventing air leaks. Did you ask the realtor how she knew for sure what the material was, who made it and what were its constituents and how she knew that it was made at a plant that was not at risk of asbestos cross-contamination. On the good news side, the GWP of blowing agents in Polyiso is similar to those in EPS, and in the right circumstances its R value is significantly higher, which deservedly or not helped earn it the reputation of being the 'greenest' foam.
In this paper, through comprehensive comparison, recycling is the most desirable. If you use bubble foil or rigid foam insulation, it also goes on top of the moisture barrier. So if you use it on the interior of a high performance stud wall design, you won't need to add an additional vapour barrier. In NIOSH Manual of Analytical Methods (P. M. Eller, Ed. I have a walk out basement 2x4 wall at my home in central N. E., so a heating climate, that I want to reinsulate and finish with sheet rock. Rigid Foam and Building Codes. Roofers typically use one of a number of batten configurations. For fire safety you're not going to leave foam board exposed anyway; you're going to install drywall over it, right? As a versatile choice for commercial roofing applications, polyiso is designed to be part of any modified bitumen, built-up, or single-ply roofing system. Contributes to improved fire performance. This is especially critical in preventing damage (such as mold and rot) to framing and walls in areas with extremely cold or damp climates. Manufactured by the Dow Chemical Co. Installing foil faced insulation board. some other legible words include: STURDY-R, Dow, nominal board.
When sealed with proper techniques and a suitable adhesive, rigid foam is an excellent air barrier. Question: does this Dow polyisocyanurate foam board contain asbestos? Common Applications: Roof, Wall and Below-Grade. Sheathing can be installed exposed to the.
While characteristics are dependent upon the specific type of facer or facing material used, these functions may include: - Providing a substrate compatible with other building materials. Hover Image to Zoom. Do you have a specific need or seaming challenge? Glass-Mat Faced Gypsum Board. Buy Foil Faced Insulation Online - Save up to 48% on Foil Insulation. Better at controlling moisture When it comes to controlling moisture, rigid foam serves two functions. The first assembly using 2" Polyisocyanurate foam panels was compared to the same assembly using 2" of EPS foam and was found to be losing 30% more heat in this study (see below)! In Canada see CCMC Evaluation Report #08433-L. Abstract Flame retardants (FRs) are added to foams and plastics to comply with flammability standards and test requirements in products for household and industrial uses. STURDY-R insulation consists of a closed-cell polyisocyanurate foam core sandwiched between two highly durable exterior facers.
Being petroleum based should not result in foam being condemned by green builders on principle alone; it should be looked at in perspective. In addition, the properties of polyiso boards, such as water absorption, vapor permeance, strength, and dimensional stability may vary depending on the exact composition of a given type of facer. The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam - Ecohome. When using foam insulation, you'll need to decide whether you intend to use OSB in addition to the rigid foam to serve as the building sheathing or if the rigid foam layer will itself serve as the sheathing, and you'll need to determine what will serve as the drainage plane and where this layer will be. We hope in the present circumstances which are explained in further detail below, that customers will understand the reasons behind our decision.
Editor Daniel Friedman is a contributing author. Cuts with a knife or saw. But there is nothing wrong with putting a little effort into keeping it dry if you can. Ask a Question or Search InspectApedia. One side has a reflective foil facer and the other side has a white non-reflective foil facer to suit your building needs.