Classic look. Modern performance.
Mosaic Double‑Hung Windows keep the traditional aesthetic while upgrading the guts: thermally broken frames, smooth balances, and tight seals. Vent from the top, bottom, or both for precise airflow.
as low as 0.21
0.23 – 0.40
≤ 0.10 cfm/ft²
48" × 84"
From plans to punchlist in three steps
Upload drawings or sizes. We match performance, code, and budget.
Fast, itemized proposals with lead times and delivery windows.
Dealer support, shop drawings, and serviceability built in.
Trusted by dealers and builders nationwide
From modern custom homes to mixed‑use developments, Mosaic windows deliver consistent quality and clean design.
“Double‑hung sashes tilt in and out easily—maintenance is a breeze.”
“Balances are smooth and consistent across the project.”
“ThermoEdge™ frames helped us hit Energy Star without redesign.”
0.24 – 0.39
0.23 – 0.40
0.40 – 0.60
≤ 0.10 cfm/ft²
Regional packages available for Energy Star compliance. Ask about ThermoEdge™ dual‑break frames.
Top & Bottom operable • Tilt‑in
Constant‑force | Spiral
Full | Half; Fine‑mesh
Black, Bronze, Custom RAL
2.5" – 3.25"
48" × 84"*
Flange | Punched | Receptor
Limited Lifetime (non‑transferable)
*Size and performance vary by configuration.
Mosaic Double‑Hung Window Features
Equal sightlines with thermally broken frames.
Easy cleaning from the interior on upper floors.
Vent stops for controlled airflow without sacrificing security.
ThermoEdge™ breaks + Low‑E glazing.
Durable powder‑coat finishes.
European Hardware, High‑Quality Components
Smooth balances and reliable locking that stand up to daily use in real homes.
Key Benefits
- Top & bottom sash operation
- Tilt‑in for easy cleaning
- Weatherproof compression seals
- Powder‑coated, low‑maintenance finish
- Custom sizes & configurations
Trusted by dealers and builders nationwide
From modern custom homes to mixed-use developments, Mosaic fixed windows deliver consistent quality and clean design.
“ Flawless sightlines and no surprises on site. ”
“ Lead times were real, and the shop drawings were clean. ”
“ Our installers love the ThermoEdge™ frames—tight and consistent. ”
“ Design team got the modern look without the sticker shock. ”
FAQs
Do double‑hungs meet my local code?
Yes. We’ll match your climate zone and supply the right glazing and ratings in your quote.
What sizes can I do?
Units are custom. Typical maximum is up to 48" × 84" per unit; larger areas can be mulled or stacked.
Do the sashes tilt in?
Yes. Both upper and lower sashes tilt in for easy cleaning from the interior.
What’s the lead time?
Typically 10–12 weeks from deposit and approved drawings, confirmed per unit in your proposal.