Fan-Fold Foam Board Middletown NY

Fan-fold foam board in Middletown is widely marketed as an easy fix for improving the thermal performance and water resistance of walls when re-siding. But if not applied properly, this option could lead to moisture problems, according to leading building-science experts.

Local Companies

Maples Farm & Garden Center
(845)344-0330
749 Route 17M
Middletown, NY
Cutrone Sand Stone Topsoil & Mulch
(845)562-4660
5405 Route 9W
Newburgh, NY
Brookside Motor Court
(845)856-6548
297 East Main Street
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EDC Landscaping
(845)986-8571
335 Bellvale Lakes Road
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Chris McVey
TKC

845-956-3000
453 Route 211 East
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DJM Enterprises
(845)427-5328
108 Maybrook Road
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T RO Svces
(845)562-0072
13 Creamery Dr
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Superior Landscaping of Orange County- Inc.
(845)566-6879
7 Penny Lane # 2
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Brownestone Construction Inc
(845)987-7180
199 County Route 1
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Monte Carl
(212)666-6790
103 Walnut Street
Walden, NY

Provided By:

Source: REMODELING Magazine
Publication date: September 1, 2005

By Clayton DeKorne

Best practice calls for stripping off existing siding, then installing a good weather barrier.

Fan-fold foam board is widely marketed as an easy fix for improving the thermal performance and water resistance of walls when re-siding. But if not applied properly, this option could lead to moisture problems, according to leading building-science experts.

At about ¼-inch-thick, fan-fold foam board adds only R-1 to R-1.5 to the wall system, a negligible insulation improvement. Foil-faced products promise higher R-values, but only when installed with a minimum ¾-inch air space in front of them, an option that requires siding over strapping. According to foam board manufacturers, the advantage of fan-fold is really that the board provides a consistent surface over the old siding, eliminating cracks and crevices that lead to energy-robbing drafts. All manufacturers recommend taping the foam to help stop air leaks and prevent water that gets through the siding from leaking behind the foam.

Photo: Courtesy THE JOURNAL OF LIGHT CONSTRUCTION
Certainly, the foam board provides a smooth working surface for installing new siding, but whether there is a significant improvement in thermal performance is hotly debated. “The danger is that you are putting an impermeable layer over the wall,” explains Steve Easley, a building consultant who specializes in helping building.

Click here to read full article from Replacement Contractor

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