However foil faced iso panels are warranted as impermeable.
Foil faced rigid insulation panels.
Products with foil facing help the panels resist moisture vapor.
It is lightweight and easy to use and provides an optimum balance between performance and cost.
Foil faced panels are considered impermeable because applying these products as sheathing creates an exterior vapor barrier they never should be used with an interior vapor barrier more permeable panels are faced with fiberglass and can be used without creating a vapor barrier.
Ap foil faced foam sheathing with exceptional heat moisture and air control johns manville ap foil faced polyiso foam sheathing eliminates all major thermal bridges that cause heat loss when installed correctly.
It is offered in multiple thicknesses and dimensions in both square edged and tongue and groove joints.
The different facings can affect the performance of the panel both in terms of durability and perm rating.
Hunter panels the innovator of polyiso insulation products an interesting thing happened 22 years ago when hunter set out to manufacture the absolute most effective efficient and innovative polyiso insulation panels available anywhere we also created the finest customer service organization and builder support team in the industry.
If you want to use them without creating a vapor barrier look for permeable iso panels faced with fiberglass.
The glass fiber reinforcement contributes to improved fire performance and dimensional stability.
1 in x 4 ft x 8 ft ap foil 1 faced polyisocyanurate foam board insulation item 101645 model 90001019.
Compare click to add item insofast ux 2 0 r 8 5 eps foam board insulation panels 40 sq.
1 in x 4 ft x 8 ft.
Smaller sizes are also available.
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Johns manville r 6 common.
Description documents johns manville ap foil faced foam sheathing board is rigid polyisocyanurate foam sheathing that provides exceptional heat moisture and air control to protect your building s exterior walls and when installed correctly eliminates all major thermal bridges that cause heat loss.
This is also why all iso panels are faced.
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Insulfoam rigid foam is a high performance built to spec sheathing insulation that provides superior r value and moisture resistance.
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Thermax sheathing is a non structural rigid board insulation consisting of a glass fiber infused polyisocyanurate foam core laminated between 1 0 mil smooth reflective aluminum facers on both sides.