How Much Space Is Needed For Vinyl Siding Behind Faciaboards
It s most appropriate for houses with vinyl or aluminum siding but it adds a clean touch to a house with wood brick or stone siding as well.
How much space is needed for vinyl siding behind faciaboards. So if you plan on installing new vinyl siding on your house you can consider installing vinyl trim on the fascia. Measure the vertical width of the fascia board including the part covered at the top of the board by the gutter apron. A pvc fascia board is constructed to look like wood even though it s made from the same material as plumbing pipes. Siding materials need proper clearances between finish grade and the siding regardless the type of siding.
If you don t know what fascia boards are well they re basically the flat horizontal boards that run along your roof s edge. The fascia has to be fastened with aluminum or stainless steel painted trim nails into the bottom leg no more than 24 610mm on center. When installing in freezing weather below 40. Siding must be cut in lengths to provide for expansion.
Drive these nails through the fascia and only into the v groove of the soffit. This type of board is used for attaching soffit panels beneath the eaves and gutters to the roof. When overlapping aluminum vinyl fascia covers make sure to overlap 3 4 19mm. In your case with the vinyl siding your exterior trim work has horizontal fascia boards at the bottom of the house and each story line.
The siding must be installed over a flat surface so unless you re siding a new home or have removed the old lap siding you ll need to line the wall with sheets of rigid foam board usually 1 2. Gap for expansion wherever siding butts accessories. Maintaining proper clearances reduces access to wood structures behind the siding by wood destroying insects or damage from water that might. An air space of even 1 8th of an inch will do the job so what you use as furring is really only a spacer and isn t too important as long as your siding can grab it or grab the sheathing behind with longer nails.
Step 2 lay out a vinyl fascia strip which comes in 6 inch and 8 inch widths and is generally 12 feet long. This requirement is not just to prevent damage to the siding it serves a couple of other functions as well. Vinyl siding must be nailed so expansion and contraction are not restricted. When the vinyl siding rests on top of these boards a piece of flashing is needed to create a leak proof conversion between the first piece of vinyl siding and the horizontal fascia board.
Standard fascia board is around 5 1 2 inches wide but it can vary. It has a clear advantage over wood when it comes to rot resistance.