Rigid Foam Insulation Under Siding

Exterior rigid foam board insulation can make a significant difference in overall thermal.

Rigid foam insulation under siding.

Always follow the manufacturer s instructions for installing rigid foam insulation. Fanfold foam residing board. Although rigid foam insulation is more expensive than fiberglass insulation it is more efficient. How to install rigid foam under siding 1.

Some people use roofing nails but if a strong gust of wind gets under the siding it may not hold. You can even place it under the foundation slab. Installing foam board insulation under vinyl siding improved moisture control. Siding over rigid foam a vented drainable air space keeps wood siding dry and stable.

Rigid foam insulation also known as insulating boards provide high r values. Heating costs increase every year making insulation more and more important. Measure the walls from top to bottom with a tape measure and buy either 4 by 8 foot or 4 by 9 foot sheets of rigid. In reality rigid foam board which sometimes comes in fanfold usually only has an insulating factor of r 1 and does not add any appreciable insulation effect to your home.

To secure the foam use two inch cap nails. The nails have a plastic cap that keeps them from damaging the foam. Set panels on the wall starting at one end of the house align the edges with the corner and bottom of the wall and. One of the biggest advantages to installing exterior rigid foam board insulation is improved.

It is designed to prevent a house from losing heat. Rigid insulation is one of the best tools to reduce your energy costs. Fit the rigid foam insulation snugly and seal all seams with the specialized tape. Foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building.

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. And even though some manufacturers call it rigid foam insulation for the purpose of vinyl siding it basically has the same insulating value as a piece of plywood. Install it anywhere from the roof to the foundation. Apply sealant around windows doors and trim.