Best for Adhesives & Glue, Fasteners, Paint Accessories
Open mobile app


RIZTECHEveryday 7:00 AM - 6:00 PM
Hello! Need help? Don’t worry, I’ve got you. Tell me what’s up, and I’ll be happy to assist 💁
(Bangla + English, simple + accurate)
Copper water‑supply pipes come in three main wall‑thickness grades:
Type K – Thickest
Type L – Medium
Type M – Thinnest
Underground water service lines
Street‑to‑building water supply
Commercial/industrial high‑pressure lines
Fire sprinkler systems
Harsh environments (corrosion‑prone soil)
Type K = সবচেয়ে মোটা, সবচেয়ে শক্তিশালী, মাটির নিচে বা high‑pressure লাইনে।
Residential water supply lines (NYC apartments)
Hot & cold domestic water
Hydronic heating
General plumbing inside walls
Type L = ঘরের ভেতরের পানির লাইনের জন্য standard choice।
Low‑pressure residential water lines
Heating systems (baseboard heat)
Budget‑friendly installations
Not allowed in some NYC commercial jobs
Type M = পাতলা, সস্তা, low‑pressure লাইনে। NYC‑তে সব জায়গায় অনুমোদিত নয়।
| Feature | Type K | Type L | Type M |
|---|---|---|---|
| Wall Thickness | Thickest | Medium | Thinnest |
| Color Code | Green | Blue | Red |
| Pressure Rating | Highest | High | Medium/Low |
| Flexibility | Rigid + Soft | Rigid + Soft | Rigid only |
| Typical Use | Underground, high‑pressure | Home water lines | Low‑pressure, heating |
| Cost | Highest | Medium | Lowest |
Apartment water lines: Type L
Boiler/baseboard heat: Type M
Underground water service: Type K
Commercial plumbing: Mostly L or K
Old building repairs: Type L (strong + approved)
Best for Adhesives & Glue, Fasteners, Paint Accessories


Hello! Need help? Don’t worry, I’ve got you. Tell me what’s up, and I’ll be happy to assist 💁