Is the fan fold foam an adequate weather resistive barrier.
Fanfold siding insulation.
When every penny counts you can rely on the performance of our most economical fanfold siding underlayment.
To be an effective weather resistive barrier though the.
Before installing vinyl siding over existing wood siding we first install a layer of fan fold foam insulation.
Rigid foam will shed any water that gets past leaky vinyl siding.
Fan fold is made of cellofoam expanded polystyrene eps rigid insulation faced with a tough poly laminate on both sides.
Dupont has said on their website and product flyers that if using both fanfold and housewrap and committed to both put the tyvek housewrap over the fanfold but they actually recommend assuming the insulation is totally closed cell with very low absorption rate putting the insulation directly under the siding overlying dupont drainwrap.
Fanfold foam residing board is a thin perforated extruded polystyrene foam board faced on one side with a plastic film facer and combines proven xps foam technology with a unique design to enhance the application of new or replacement siding.
R 1 fanfold rigid foam board insulation sheathing 21um the home depot.
Poly shield fan fold is cut in vertical 25 increments along its 4 x50 expanse allowing the panels to lie flat fan fold provides a smooth resilient underlayment which eliminates the potential for oil canning or telescoping.
A corresponding editor paul fisette responds.
Owens corning foamular 1 4 in.
Offers tough poly facers for added strength and durability important in storing handling and installation.
It is called fanfold due to the fact that it is stored folded up like a handheld fan often used years ago which makes it.
Owens corning foamular fanfold insulation sheathing is suitable to use on wood steel framing or concrete walls.
The q series products have an extruded polystyrene foam xps core with high impact polystyrene capsheets on both sides which make it one of the most durable products currently available.
Easy to handle cut and install.
R tech ff fanfold is a high performance sheathing consisting of a superior closed cell lightweight and resilient expanded polystyrene eps with advanced polymeric laminate facers.
3 8 fanfold insulation sheathing underlayment cellofoam s poly shield heat laminated sheathing.