Siding terminology and components


It’s an excellent suggestion to recognize the market terminology made use of when it comes to understanding residence enhancement talk and also being in the recognize on your house improvement price quote. Below are some siding terminology meanings to help you understand your next siding project.

Vinyl siding components


The product that is toenailed to the studs on the exterior side of the wall surface, supplying an area to fasten the siding and trim.


The piece of siding located on the contrary side to the attaching strip, which locks into the preceding piece of siding or trim.


The bend in the facility of a piece of siding that makes the siding appear to be 2 items rather than one.

Starter Strip

A horizontal strip, fastened to the lowest point of the siding installment. It is utilized to connect the very first course of siding to the structure.


The place on a piece of trim or blog post such as a outdoors or inside edge or a J or F Channel that is created to accept the insertion of an item of siding.


The F-channel is an item of trim that is made to take a piece of siding at a 90 degree angle to the securing framework.


The most typical trim piece. It is used around windows, doors, eaves as well as soffits to offer a grove for the end of a siding panel or soffit panel.


A trim that is made use of to sign up with completions of 2 panels. The most usual application is the conversion from straight siding on a wall to upright siding on a roofing gable.


A piece of material made use of to disperse water to make sure that it can not enter behind siding material or trim items and also harm the backerboard or various other structural parts of the house.


A single row of siding that runs from one outside side to the contrary side. In upright panels, it is a solitary panel running from the highest point of the location to be sided to the most affordable factor


If the attaching section of an item of siding has actually been trimmed away as a result of dimension, it is essential to create crimps on the continuing to be item of panel in order for the panel to fit firmly right into the slot in the trim. Crimps are created using an unique device called a snaplock punch.

Drip Cap

A piece of trim used to deflect water away from the top of upright siding, to avoid water from getting in behind the siding. In some instances a drip cap might be made use of over doors and home windows to disperse water run-off.


The side of a siding panel that is viewed after installation.

Face Nailing

The nailing of siding with the visible section of the panel rather than the toenailing strip. This is not suggested.

Fascia Board

The material that covers the end of the roof rafters as well as gives the completed appearance to the side of the roofing system.

Finishing Trim

Cut items utilized to supply an aesthetic completed side to a siding panel or soffit panel.


The location on a siding panel or item of trim where the fastening holes lie.

Furring Strip

A piece of material normally wood, however can be metal, that is placed on the external surface area of the structure to offer a surface area to fasten the siding too. It is additionally utilized to straighten out or fix surfaces that are not level. A common use a furring strip is to mount them over block, stucco and formerly mounted siding.

Head Flashing

An item of trim used to disperse water away from the top of upright siding, to stop water from entering behind the siding. In some circumstances a head flashing may be utilized over doors as well as windows to disperse water run-off.

Inside Corner

A trim item used to mate courses of siding on a 90 level inside corner.


When a panel or item of trim overlaps a previous panel or trim, it is considered to be a “lap” joint. The term is stemmed from the word “overlap”.


That portion of the siding panel that accepts the securing leg from the next course of panels or from the starter strip.

Locking Leg

That part of the siding panel that slips into the lock from the previous course of panels.

Lug( Crimp)

If the fastening part of an item of siding has been trimmed away as a result of size, it is essential to form lugs on the staying item of panel in order for the panel to fit tightly into the slot in the trim. Lugs are formed utilizing an unique device called a snaplock punch.


A miter joint is the conference of 2 panels, usually at a 90 degree angle where each panel is cut at a 45 degree angle. Soffit material might be installed in this manner to provide an extra visually pleasing look.

Nailing Hem

The area on a siding panel or piece of trim where the fastening openings lie.

Nail Hole Slot Punch

Occasionally, it may be essential to elongate a nail hem slot to hit a stud. The hole is elongated to enable development as well as tightening.

Nail Hole Punch Nail Slot

The slotted hole in the nailing hem or flange that has been developed as a setting for mounting the nail, staple or fastener, into the backerboard.

Outside Corner

A trim item used to mate courses of siding on a 90 level outside corner.


A line that is precisely 90 degrees from a straight surface area or line is considered to be “plumb”. Discover more concerning plumb, degree and also square.


The market term for the aesthetic look of the siding. Tabs grasp a greater surface as well as guard against dislodging because of relaxation of vinyl from warmth as well as wind.

Snaplock Punch Scoring

Scratching the surface area of a siding panel at a certain point making use of a utility knife or other sharp tool. The score mark allows the panel to be bent at an exact area and also when bent it will certainly snap into two pieces leaving clean edges.


If there is a gable roof) of the rafters that is on the exterior side of the house, the soffit is the location listed below or to the inside (. The soffit location should be secured from the components, insects and also parasites that could get in the home while, most of the times, still providing ventilation.

Double Channel Lineal

А siding accessory that signs up with 2 soffit panels.


A piece of product usually timber, yet can be metal, that is put on the outer surface of the building to supply a surface to fasten the siding also. It is also utilized to align or deal with surface areas that are not flat. An usual use of a strapping is to install it over brick, stucco and formerly set up siding.


Underlayment is the term made use of to define any type of kind of product that is made use of under the siding, in between the outside wall surface and the back of the panel.

Ventilated Soffit.

Soffit panels that have a collection of holes or slits, covered with a display product that enables air to enter or exit the attic space, while keeping pests as well as bugs out.

Weep Holes.

A hole that has been presented into a siding panel or trim item to permit water to drain away from the panel.

Vinyl siding accessories

vinyl siding components demo

Standard installation tools

Common hand tools, such as a hammer, fine-tooth saw, square, tape, level, and chalkline action, are required for proper setup. Safety glasses are advised for eye protection.

Power Saw

A bench or radial-arm power saw can speed up the cutting of the siding or soffit. A fine-tooth plywood blade ought to be utilized with the blade mounted in the reverse instructions. Some applicators prefer a handheld power saw. In incredibly winter, move the saw through the product gradually to prevent breaking or cracking.

REMARK: A saw blade established backwards direction ought to be used only for cutting plastic. Do not attempt to utilize it on various other materials such as timber, plywood, etc

Utility Knife.

Vinyl is simple to cut, trim, and score with a utility knife or racking up device.

Tin Snips

High quality tin snips or substance aviation-type snips will speed up the cutting and also shaping of the plastic.

Special tools

Snap Lock Punch

A snap lock punch is utilized to punch lugs in the cut edges of siding to be utilized for the top or ending up course at the top of a wall, or beneath a home window.

Nail Hole Punch.

The “nail hole punch” produces an oval opening in the vinyl siding for nail placement. It is important in order to allow growth and contraction of the vinyl siding.

Zip Lock (Unlocking) Tool

Change a siding or eliminate panel with the zip lock tool. Insert the bent end of the tool under completion of the panel and hook onto the back lip of the buttlock. To disengage the lock, pull down and move the tool along the length of the panel. Utilize the very same treatment to relock a panel.

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