Fan-Fold Foam Board Jamestown NY

Fan-fold foam board in Jamestown 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

Rodgers & Son Inc
(716)296-8065
7406 North Route 83
Cherry Creek, NY
Southern Tier Supply Co.
(716)487-0168
1801 Washington St
Jamestown, NY
Krist Hansen Nursery and Landscape Service Inc
(716)763-2452
31 East Fairmount Avenue
Lakewood, NY
Tri-James Services Inc
(716)763-5212
4478 West Fairmount Avenue
Lakewood, NY
Vibrant Perennials Farm
(814)723-5772
456 Daugherty Run Road
Warren, PA
Stone Hill Landscaping & Design
(716)357-2202
3589 Route 394
Ashville, NY
Big Tree Landscaping & Nursery
(716)763-3433
1264 Big Tree Sugar Grove
Jamestown, NY
Tedesco Associates Inc
(716)664-1111
2 Orchard Road Westeast
Jamestown, NY
SAVE Lawn Service
(716)763-4623
6 West Summit Avenue
Lakewood, NY
Curtiss Landscaping Arborist
(716)761-6971
4209 Sherman Mayville Road
Sherman, 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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