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.
Foil faced rigid insulation panels.
If you want to use them without creating a vapor barrier look for permeable iso panels faced with fiberglass.
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Working with home insulation boards insulation panels typically come in 4x8 foot sheets.
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.
It is lightweight and easy to use and provides an optimum balance between performance and cost.
1 in x 4 ft x 8 ft ap foil 1 faced polyisocyanurate foam board insulation item 101645 model 90001019.
Johns manville r 6 common.
Add to list click to add item insofast ux 2 0 r 8 5 eps foam board insulation panels.
Smaller sizes are also available.
The different facings can affect the performance of the panel both in terms of durability and perm rating.
It is offered in multiple thicknesses and dimensions in both square edged and tongue and groove joints.
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.
However foil faced iso panels are warranted as impermeable.
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They re much lighter and easier to work with than plywood sheets.
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.
Install them using panel adhesive or screws.
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.
Insulfoam rigid foam is a high performance built to spec sheathing insulation that provides superior r value and moisture resistance.