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Home
Before You Begin
Pre-Construction
Tools Of The Trade
Designing Your Home
Building Permit Plans
Excavating Home Site
Laying Drain Pipes
Prepping For Slab
Pouring The Slab
Installing Sill Plate
cutting Outside Wall Parts
Building Outside Walls
Framing & Raising interior Walls
Exterior Wall Sheathing
Cutting Out Openings
Wrapping The House
Preparing For Roof Trusses
Gettin Roof Trusses Ready
Raising Roof Trusses
Sheathing The Roof
Preping For Shingles
Shingling The Roof
Selecting Doors/Windows
Installing Doors/Windows
Types Of
Siding
How To Select Siding
Siding The House
Siding Soffits & Trim
Installing Strapping
Installing Strapping
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You need to install a protective layer of insulation under the vinyl siding. This will serve both as thermal protection and as a second barrier between the elements and the framing of your house.
Tools you will need: hammer stapler, staples, utility knife, measuring tape.
What is exterior insulation?
Since the majority of the insulation will be applied on the interior of the house, you will only need a thin sheet of insulation on the exterior.
You will be using Fanfold insulation with an R-value of 1. The R-value of insulation is the term used to describe the level of thermal protection of a particular insulating material. As an example, on the interior of the house you will be using an R-19 on the walls and R-30 on the ceilings.
Fanfold insulation is an Extruded Polystyrene foam insulation applied to the exterior of the house. It comes in a variety of colors depending on the manufacturer you choose.
How to install Fanfold Insulation on the house.
Choose a day with little or no wind for this job.
Fanfold Insulation comes in an accordion stack of 2' x 4' sheets of insulation.
Line up the first sheet from the stack of Fanfold without tearing it off of the stack, along the top edge of the house and staple it to the house.
Unfold one sheet at a time and staple it to the house.
Continue in this manner until you have reached the end of the wall or you have run out of sheets.
Once you have applied the Fanfold to the top portion of the wall, cut out windows and doors.
Using a utility knife cut out the perimeter of each window and door.
Since the insulation covers only part of the wall and part of each window is still exposed, it is easy to see where to cut.
Repeat the above steps for the bottom half of the wall. The insulation must butt up to the top sheet and not overlap it.
Continue to apply the insulation to the remainder of the walls.
If you have an unheated attic, then you do not need to apply insulation to the Gable Ends.
If you are heating the space between Gable Ends, then continue to apply the insulation up to the peak.
At the eaves, cut the Fanfold to the angle of the roof.
If you choose to, you can apply tape to all of the seams along the house.
Be sure to apply enough staples to hold the insulation to the wall. If you plan on leaving the insulation exposed for a period of time, then apply vertical strips of strapping along the house to prevent the wind from tearing the insulation off of the house.
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