26 years · no sales pitch · free to use
Make the right call
without the sales pressure.
Plain knowledge from the trade so you can choose windows and doors with a clear head — not a pitch in your ear. Read the guides, use the prompts, and (when you’re ready) try the labs that make the hard parts easier to see.
- 100% free to learn
- 0 sales pressure
- Plain language over jargon
Why this exists
Homeowners walk into a major purchase without knowing what they don’t know.
Contractors use jargon. Salespeople use pressure. Online “guides” are often ads in disguise — or so technical they’re useless.
This site is neither. Distilled craft knowledge, honest tools, and prompts you can run in your own AI. If ads ever cover hosting, fine. The knowledge stays free either way.
The site map
Four ways in — pick how you learn
Motion and 3D for intuition. Articles when you want the full plain-English depth.
Labs & tools
Light through glass types, wall-layer cutaways, frame explorers. Fun side pages that teach one truth each — not gimmicks.
Open tools →02 · ReadKnowledge
Materials, measurements, questions to ask, common mistakes. Scannable 2D articles — calm, precise, no carnival UI.
Browse knowledge →03 · AgentsPrompts & skills
Paste-ready prompts and patterns for your own AI stack. Agent kit and GitHub links as they land — you keep the tools.
Get prompts →04 · CommunityBuzz
A place to connect when it’s ready. Placeholder now — no fake waitlist theater. We’ll wire the real community when Buzz is up.
What’s planned →How the labs will feel
One scene. One truth.
Every interactive moment has a job: make a trade concept obvious before you sign anything.
Start where you’re stuck.
New to the category? Read first. Visual learner? Tools are coming fast. Want AI on your side? Steal the prompts.