A polycarbonate greenhouse is specified by four numbers a spec sheet never puts together: how much light each wall costs the crop, what the U-value does to the heating bill city by city, the 1.0 kPa snow rule, and where the condensation goes.
Every acrylic cut leaves an edge you can see and stress you cannot. The blade geometry the manufacturer actually specifies, the drill angle that cracks sheets, and the reason a good cut still crazes three weeks later.
The gold hexagon stamped on a sheet of cast acrylic is a factory mark from Fangliao, Taiwan. Here is what Hsin Hwa Chemical publishes about its own product, from a 52 colour range to a thickness tolerance table, and what those numbers mean on a Canadian bench.
What P95 actually means, why the gap behind a panel decides how private it is, how surface frosting differs from a bead-diffused sheet, and real 2026 Canadian pricing for all four stocked gauges.
A working guide to sign board material, organised by the job rather than by the sheet: what we would pull off the rack for a lit cabinet face, a fascia panel, a set of room IDs or a trade show display, with real 2026 Canadian prices per square foot, the thickness maths behind sagging faces, tooling notes per substrate, and the code and permit checks that come before any of it.
What a HEXABEN honeycomb panel is made of, the geometry that makes 19mm of mostly air stiffer than 19mm of solid acrylic, real 2026 Canadian pricing against solid sheet, and how to detail the edges, fixings, and backlighting so the panel goes in cleanly.
A shop-floor walkthrough for fabricating ACM panels for signs: the right blade and router bit, how to V-groove a clean 90 degree return, UV print and vinyl prep, edge finishing, and install. Real settings and 4x8 pricing from our North York shop.
What ACM panels actually cost in Canada, what sizes and finishes you can order, and how to buy aluminum composite panel sheets from a GTA supplier without the guesswork. Real 4x8 pricing from our North York shelves.
The definitive Canadian guide to PVC foam board: what the material is, how it is made, grades and brands, the full thickness range with real CAD pricing, fabrication, outdoor performance, and where to buy full sheets.
