Performance

All Origin products are built to last, and thoroughly tested, which is why we offer an industry-leading guarantee of up to 20-years on parts.

OB49 has been designed for maxmised thermal efficiency, and has been engineered with a polyamide thermal break.

Slim frames, maximum viable glass coverage and airtight seals all contribute to ensuring that OB49 can meet a highly efficient 1.1 U-Value with triple-glazing.

Product Performance

Building Regulations*
New Build Limiting Value	1.6 W/m²K
Replacements	1.4 W/m²K
Energy Rating	C or better
*All doors must conform to these requirements

Performance
PAS 24	2016
Secured By Design	Yes (< 2,500mm tall)
Air Permeability	Class 4, 600 Pa
Water Tightness	Class 9A, 300 Pa
Wind Loading	Class A3, 1200 Pa

Testing

BS 6375 Parts 1, 2 and 3

Passed 50,000 lead sash cycles and 10,000 full cycles, equating to 25-years of use.