Multi-story framed home on a block foundation with lumber staged in the foreground

Service · East Tennessee

One Salesman, One Bill for East Tennessee Builders

One Salesman, One Bill means all your materials, from every vendor, run through one point of contact and land on one consolidated invoice. Spectrum Building Products is a veteran-owned building materials supplier based in Talbott, Tennessee, serving builders across East Tennessee. The one salesman is Jared Jarnagin.

Get a Free Quote Call (423) 736-0765

Who is the one salesman I would be dealing with?

Spectrum Building Products puts its founder on your account. Jared Jarnagin, a U.S. military veteran who started the company in 2016, pulls the take-offs, negotiates the vendor pricing and shows up on the job site.

There is no handoff. When you call, you reach the man who read your plans and who will be standing on your lot when the materials arrive. He already knows the house.

That matters most on the hard days. A load shows up with the wrong windows. The framer wants longer joists than the plans called for. A sub needs to know if the siding is on this truck or the next one. Each of those is one call, to someone who can answer without digging through another person's notes.

Where he works

Jared is based in Talbott and covers the primary East Tennessee service area, from job sites around Knoxville to cabin lots in Sevier County. In that area he is present when deliveries land. Office hours run Monday through Friday, and the number is (423) 736-0765.

What do I stop doing once everything runs through one supplier?

Spectrum Building Products takes over the vendor relationships, the ordering and the reconciliation. You stop chasing reps for answers and stop matching a stack of invoices from different suppliers against one job.

Think about a normal week on a build. The lumber rep has not called back. The window order needs a confirmation. The roofing supplier billed for something that never came. A builder can spend more time on the phone with suppliers than on the job site, and each of those five to ten vendors has its own rep, its own pricing and its own invoice.

Here is what comes off your plate:

Calling around to find out where an order stands
Placing separate orders with separate suppliers
Keeping track of which rep quoted which price
Checking each vendor's invoice against what was delivered
Sorting out the paperwork when a wrong item goes back

The work still gets done. Someone else does it, and he is the same person who built your material list. If you are weighing the trade-offs, read our article on one supplier versus many on a custom home.

What you get

What does One Salesman, One Bill from Spectrum Building Products include?

Spectrum Building Products folds the vendor side of a build into a single relationship. Here is what that covers.

One point of contact

Jared Jarnagin is the person you call for pricing, orders, changes and delivery questions, from the first plan sheet to the last load.

One consolidated invoice

All materials from all vendors appear on a single bill for the project, not on separate statements from each supplier.

Vendor relationships handled

Spectrum Building Products deals with the yards, distributors and specialty suppliers directly, so their reps are not the ones calling you.

Ordering done for you

Orders are placed with each vendor on your behalf, based on the take-off and the consolidated quote you approved beforehand.

Invoice reconciliation

Vendor charges are reconciled before they reach your bill, which saves you from matching each supplier's paperwork against deliveries yourself.

Mid-project additions

Extra material is one call away. Jared sources it and adds it to the existing bill, with no new account to open.

Jared Jarnagin, founder of Spectrum Building Products

What happens when I need more material in the middle of a job?

Spectrum Building Products handles mid-project additions with one phone call. Call Jared, tell him what you need, and the material is sourced and added to the existing bill. No new vendor to find and no second invoice.

Every job grows. The owner adds a covered porch. A lake house gets a bigger deck once the view is framed. A wall gets moved. On a remodel, you open a floor and find more to replace than anyone expected.

With several suppliers, each of those turns into a small project of its own. Who carries it? What does it cost? Whose invoice does it hit? Here it is a call. Jared sources the addition and it lands on the bill you already have.

Subs can call too

Your framer or sider does not have to route every material question through you. Subs can call directly with questions and additions, and the changes stay inside the project's existing order and billing. You still see everything, because it all shows up in one place.

Step by step

How does One Salesman, One Bill work, step by step?

Spectrum Building Products sets the arrangement up at the start of a project and keeps it running until the last delivery.

Call Jared

Start with a call to (423) 736-0765 or an email with your plans. Jared learns the project and any brands you want, and he stays your contact from then on.
List and pricing

Jared pulls the take-off and prices every line across the vendor market. You approve one consolidated quote before anything is ordered. No vendor calls on your end.
Orders and deliveries

Orders go out to the vendors chosen for each line. In the primary East Tennessee area, Jared is on site when materials arrive and checks them against the take-off.
One bill, kept current

Everything lands on one consolidated invoice. When you or a sub need more material, call Jared and the addition is sourced and added to that same bill.

Does one bill make job costing and draws easier?

Spectrum Building Products sends one consolidated invoice for the materials on a project, so the material side of your job cost sits in one document. That makes it simpler to see where a job stands and to back up a draw request.

Job costing breaks down when the numbers are scattered. An invoice from one yard rides around in the truck. Another is buried in an email. A third was paid on a card and never coded to the job. By the time it is all gathered, the house is dried in and the budget question is old.

One bill changes the shape of that work:

Materials for the job are in one place, itemized.
Additions show up on the same bill as the original order.
There is one document to hand a bookkeeper, an owner or a lender.
Questions about a charge go to one person who knows the whole order.

A builder running a few houses at once feels it most, since each project's materials stay on that project's bill. You still do your own accounting. You just start from cleaner paper.

Does one bill mean my materials all come from one yard?

No. Spectrum Building Products is not tied to one manufacturer or yard. One bill means one invoice and one contact, while the materials behind it are still sourced across regional yards, national distributors and specialty suppliers.

This is the part people get backwards. Buying everything from a single yard also gets you one invoice, but it limits you to what that yard stocks and what that yard charges. You trade choice for convenience.

This service is built the other way around. The sourcing stays wide. Every line on the take-off is still priced across the vendor market through vendor price sourcing, and you can still name the brands you want. The consolidation happens afterward, on the paperwork side, where it costs you nothing in selection.

What else it does not mean

Spectrum Building Products is not a contractor or an installer. It handles material procurement for builders and contractors. Your crews build the house. Jared sees that what they need is counted, priced, ordered and billed through one line of communication.

From the job site

Recent work on East Tennessee job sites

New homes framed and sheathed on an East Tennessee hillside with material staged out front — Hillside homes framed and sheathed.

Log-sided cabin with a metal roof and wrapped material packs on site — Cabin under roof, next material on site.

Flatbed truck delivering a strapped load of framing lumber to a job site — A strapped framing load on the flatbed.

Common questions

What do builders ask about one salesman, one bill?

Short answers from Spectrum Building Products. If yours is not here, ask Jared directly.

(423) 736-0765

Is Spectrum Building Products a single source building materials supplier?

Yes, in the sense that matters to a builder. You have a single source for contact, ordering and billing. The materials themselves come from across the vendor market, including regional yards, national distributors and specialty suppliers. So you get one invoice for building materials without being limited to what one yard carries.

Will I really only talk to one person?

Yes. Jared Jarnagin pulls the take-offs, negotiates vendor pricing and shows up on job sites, and he is the one who answers when you call. There is no rotating list of reps to learn. The person you talk to is the person who will be on the job site when materials arrive.

What if a delivery shows up wrong or short?

In the primary East Tennessee service area, Jared is physically present when materials arrive. He checks the delivery against the take-off, inspects for damage, and resolves wrong items or short shipments on the spot. You do not have to work out which supplier made the mistake or chase the fix yourself.

Can my subcontractors order through the same account?

Yes. Subs can call Spectrum Building Products directly with material questions and additions. Those changes are handled inside the project's existing order and billing, so a framer's extra lumber or a sider's added trim shows up on the same consolidated bill and not on a separate ticket you hear about later.

Does this work for a builder with only one house going?

Yes. Spectrum Building Products works with residential and commercial builders of all sizes and has no strict minimum project size. A builder with one custom home on a sloped lot deals with the same pile of vendors as a larger outfit, with fewer people to manage them.

Does one bill work for projects outside East Tennessee?

Yes. Spectrum Building Products also serves Chattanooga, Charlotte and the U.S. Virgin Islands, and the single contact and consolidated invoice apply there too. For the Virgin Islands, mainland pricing is sourced and shipping logistics are coordinated. On-site presence is standard in the primary East Tennessee area, and Jared will explain how delivery verification is handled elsewhere.

Last Updated: October 2026

Start with the plans

Ready to send the plans?

Spectrum Building Products is based in Talbott, Tennessee and supplies builders across East Tennessee. Tell Jared about the job and he will tell you when to expect the list.

Get a Free Quote (423) 736-0765