Homeowners notice the entrance.

It is often one of the first areas they see when they walk toward the house.

That means poor siding details around the door can undermine an otherwise beautiful steel siding project.

Before writing the contract, the salesperson should understand:

• How the existing door projects from the wall
• Whether brickmould is present
• Whether the existing trim will be wrapped or replaced
• How the siding will terminate
• How water will be managed above and around the opening
• Whether a storm door is installed
• Whether exterior insulation changes the finished wall thickness

Start With the Existing Door

Before deciding how the new steel siding should meet the door, inspect what is already there.

Look at:

"Before I tell you exactly how we're going to finish this door, I want to understand what the siding, trim and storm door are attaching to."

J-Channel Receives the Siding

Gentek defines J-channel as an accessory used to receive siding on all sides of windows and doors and in other termination areas.

Contractors can review Gentek's terminology in the Gentek Siding Glossary .

Salespeople do not need to install J-channel.

They do need to understand its purpose.

J-Channel Is Not the Water Barrier

This is the same important distinction contractors need to understand around windows.

J-channel finishes the siding.

Flashing manages water.

Gentek defines flashing as material installed under or behind siding accessories, windows and similar areas to help keep drainage from penetrating the structure.

Review Gentek's flashing and siding terminology before training crews or salespeople on exterior openings.

The Head of the Door Deserves Extra Attention

Water running down the wall reaches the top of the door opening.

That makes the head condition particularly important.

Gentek identifies window head flashing as an accessory that can receive siding over both windows and doors and can also function as a base flashing detail in some vertical siding applications.

The exact detail needs to follow the applicable manufacturer and building-envelope requirements.

If the answer is unclear, the detail needs more thought before siding installation begins.

Brickmould Changes the Siding Detail

Many residential entry doors use exterior brickmould or casing around the frame.

The salesperson should determine whether that trim will:

• Remain exposed
• Be wrapped with trim coil
• Be replaced
• Be incorporated into a larger custom trim detail

That decision affects both material and labor.

"We're not just choosing the siding color. We also need to decide what you want the exterior trim around this door to look like when the project is finished."

Trim Coil Can Create the Finished Door Appearance

Gentek offers aluminum trim coil specifically for exterior casing and trim applications.

Gentek's Trim Coil product information includes multiple colors designed to coordinate with Gentek exterior products.

The salesperson should determine:

Do not use vague proposal language such as "wrap door" when the salesperson, homeowner and installer may each imagine something different.

Storm Doors Can Change the Entire Detail

This is one of the easiest things for a salesperson to overlook.

Many storm doors attach to the exterior brickmould or mounting surface around the entry door.

If that trim is being changed, wrapped or built outward, the storm door relationship may change too.

Before promising the siding detail, ask:

• Is there an existing storm door?
• Is it staying?
• Is it being replaced?
• What does it currently mount to?
• Will added wall thickness interfere with operation?
• Does the new trim provide the required mounting surface?

Added Insulation Changes Door Projection

Exterior insulation can improve the siding package, but it moves the finished siding plane outward.

This can affect:

"Every layer we add to the wall changes the relationship between the siding and the door."

Pay Attention to the Threshold

Salespeople tend to look at the sides and top of a door.

Do not ignore the bottom.

Inspect how the threshold relates to:

• Concrete stoops
• Porches
• Decking
• Steps
• Existing siding
• Water runoff

Poor clearance or previous water problems at the bottom of the door should be identified before the wall is covered.

A beautiful new steel exterior does not correct an improperly installed or deteriorated door threshold.

Do Not Wrap Over Rotten Wood

Trim coil can conceal old wood.

That does not mean every piece of existing wood should simply be covered.

Look for:

• Soft brickmould
• Rotten jamb extensions
• Failed caulking
• Water staining
• Deteriorated threshold material
• Damaged sheathing near the opening

"We'll just cover it with coil."

is not the answer to deteriorated material.

"We'll inspect the trim when it is exposed and repair deteriorated material before wrapping the finished opening."

Water Has to Drain Around the Door

Door trim should not trap water.

Gentek identifies flashing and weep holes as separate parts of a siding system's water-management strategy.

The Gentek Siding Glossary defines weep holes as openings designed to allow water runoff.

Do not blindly seal every siding opening around a door simply because more caulk feels safer.

Snap-Lock Finish Trim Can Matter Near Doors

Gentek defines snap-lock finish trim as a siding accessory used to finish jobsite cuts under windows, at eaves and at porch-door locations.

The snap-lock design can allow properly prepared siding to lock into place without face nailing.

Salespeople do not need to know every installation step.

They should understand that the installer needs an intentional termination detail rather than improvising once the siding reaches the door.

Avoid Unnecessary Face Nailing

Gentek defines face nailing as fastening directly through the visible face of the siding instead of the nailing hem and notes that it is generally not used in siding installation.

That is another reason doors need to be planned correctly.

The crew should not reach an awkward door termination and solve the problem with visible fasteners simply because the proper accessory was not included in the order.

Steel Board & Batten Around Doors Needs Layout

Gentek SteelTek Supreme includes a 12-inch Board & Batten profile in addition to horizontal options.

When Board & Batten surrounds an entry door, think about where the battens land relative to the opening.

Consider:

• Door centerline
• Panel layout
• Batten placement
• Trim width
• Head flashing
• Horizontal transitions

The Entry Can Become an Accent

Steel siding around the door is also a design opportunity.

The entry may use:

Gentek offers coordinating siding, steel accessories and trim coil colors. Contractors should compare actual samples because colors and finishes can appear differently across materials and profiles.

Review the Gentek Product Directory for current steel siding, accessory and trim-coil color matrices.

Entry Door Replacement and Siding Should Be Planned Together

If the homeowner is also considering a new entry door, do not treat the two projects as unrelated.

Coordinate:

• Door replacement timing
• Brickmould dimensions
• Exterior trim color
• Storm door installation
• Flashing
• Siding termination
• Final wall thickness

Installing new siding and then discovering the door needs to be replaced can create unnecessary rework.

Photograph Every Door During the Estimate

Give production enough information to understand the opening before installation day.

Photograph:

Put the Door Treatment in the Proposal

Avoid vague contract language like:

"Finish siding around entry door."

Instead, document what is included.

Five Door Mistakes Salespeople Should Avoid

The 30-Second Salesperson Training Message

The One-Sentence Answer

Plan Better Steel Siding Details With Suburban Wholesale & Supply

Door details are easier to solve before the siding and accessories are ordered.

Suburban Wholesale & Supply helps contractors throughout Davenport, Bettendorf, Moline, Rock Island, East Moline, the Quad Cities, Eastern Iowa and Western Illinois plan complete siding packages.

Explore Gentek steel siding available through Suburban Wholesale & Supply and compare steel siding, accessories and trim options before building the homeowner proposal.

Contractors considering premium steel can also review Gentek SteelTek Supreme and its horizontal and Board & Batten profile options.

Bring photographs of unusual entry doors to our Davenport wholesale center before placing the material order. Solving the detail before the project starts is easier than solving it from the scaffold.

Sources & Contractor Resources