Alumasa

• ▸Country: Brazil
• ▸Founded: 1986
• ▸Headquarters: Urussanga, Santa Catarina
• ▸Experience: 35+ years in Brazilian residential construction
• ▸Primary materials: Aluminium alloy frames and profiles
• ▸Market: Southern Brazil residential construction
• ▸Climate context: Subtropical - wet winter, humid year-round

• ▸Aluminium window frames
• ▸Aluminium profiles
• ▸PVC components

Alumasa's Santa Catarina base means their products are factory-tested in subtropical conditions - heavier winter rainfall and cooler temperatures than the tropical north. This influences how drainage and sealing are designed into the frame. Southern Brazil's winter rainfall season (June to August) puts sustained water pressure on drainage paths in a way that tropical storm events do not. Prolonged moderate rain is different from intense short bursts - weep holes and drainage channels need to handle sustained flow, not just peak intensity. Alumasa serves the volume residential market - products appear in standard house construction across the south. The cleaning approach is straightforward aluminium care, but climate-adapted for the subtropical south rather than the tropical north.

This is how I clean Alumasa windows. The tools and technique below come from 25 years of daily professional work on the glass. Every step has been tested on real installations and adapted specifically for Alumasa systems.

• ✕Do not use abrasive pads on powder-coated frames
• ✕Do not use acidic cleaners on or near aluminium frames
• ✕Do not skip drainage inspection in winter months - sustained rainfall makes blocked weep holes a water ingress risk within days
• ✕Do not use bleach on rubber seals

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