Black aluminum window detail against a white wall

Honest comparison

Crateworks vs Sierra Pacific

Sierra Pacific manufactures domestically in California and Wisconsin, primarily wood and wood-clad with an aluminum line. Crateworks is NFRC-certified thermally-broken aluminum, source-direct, with the full cert stack on file. This page lays out spec parity, supply chain trade, and where each fits.

The honest split

Source-directCrateworksNFRC aluminum, CSA, AAMA 2605
Dealer networkSierra PacificDomestic wood-clad + aluminum
01Frame material
Thermally-broken aluminum (6063-T5 + PA66)Wood, wood-clad, aluminum
02NFRC certification
Yes — casement, tilt-turn, fixed, awning, arc-top, sliding, bifold, entry, swingYes, full line
03Florida HVHZ approval
Miami-Dade NOA #25-0911.01 on awningDealer-supplied
04Cold-climate (CSA A440-22)
#80224506 on file (U = 0.236 to 0.387)Yes
05Energy Star
FXC-M-3 on bifold (valid through 2029-07-20)Multiple SKUs
06Finish warranty
AAMA 2605 PVDF, 20-year coatingProprietary, dealer-warrantied
07Acoustic spec
STC 56 per ASTM E90Available on request
08Pricing model
Source-direct, tariff itemizedDomestic, dealer network
09Supply chain
Direct import; tariff itemizedDomestic manufacture, CA + WI
10Built to order
Every unit, 13 to 18 week lead timeStock + custom
11Locked pricing PO to delivery
Yes, in writingDealer-dependent

Where Sierra Pacific wins

Domestic manufacture insulates from import tariff swings. Wood and wood-clad aesthetic does not have an aluminum equivalent. The West Coast commercial track record is established. If the project is wood-frame spec or the builder relationship with the local Sierra Pacific rep is load-bearing, Sierra Pacific is a strong fit.

Where Crateworks wins

Source-direct on cert-equivalent aluminum spec. Tariff cost is itemized on the quote, not embedded in dealer margin. Pricing is locked from purchase order through delivery in writing. NFRC, CSA A440-22, AAMA 2605 PVDF, STC 56, Miami-Dade NOA on awning, and US Energy Star on bifold are all on file with cert IDs disclosed on every quote.

Send it to the builder

If you have a builder or architect specifying Sierra Pacific, share this page and send a project brief. We quote and coordinate directly with trade. Cert IDs on every line item, tariff itemized, source-direct.

Common questions

For aluminum-spec projects, yes. Crateworks builds NFRC-certified casement, tilt-turn, fixed-picture, awning, sliding, bifold, entry, and arc-top configurations source-direct, with CSA A440-22 cold-climate and AAMA 2605 20-year finish on file. Awning carries Miami-Dade NOA #25-0911.01 for Florida HVHZ. Sierra Pacific remains the right fit if the project is spec'd wood or wood-clad; for thermally-broken aluminum at source-direct pricing, Crateworks is the equivalent line.
Crateworks sells source-direct with tariff costs itemized as a separate line. Sierra Pacific manufactures domestically and prices through a dealer network, which is competitive with imported aluminum at the spec level but does not match source-direct on an apples-to-apples aluminum quote. Send opening sizes and we will quote the specific project rather than guess.
Sierra Pacific manufactures in California and Wisconsin with a domestic supply chain, which is a stability story builders weigh against import lead time and tariff exposure. Crateworks is source-direct, with lead time in the 13 to 18 week range from PO to delivery and pricing locked from PO through delivery in writing. Tariff cost is itemized on every quote, not embedded.
Domestic manufacture and dealer network stability, established large-scale commercial track record on the West Coast, wood and clad-wood aesthetic that aluminum does not replicate, and a builder territory program tied to dealer relationships. If the GC's relationship with the local Sierra Pacific rep is load-bearing on the project, that switching cost is real.