Optio 58BW Casement HI

Description

Strong, secure, superior.

Built to the highest UK standards, this effective and high performance solution offers clean lines and advanced functionality. Available with a range of customisable options, casement windows are the perfect choice for both traditional and contemporary residential designs. Performance remains uncompromised with the 58BW HI, achieving impressively low U-Values of just 1.4 Uw with double glazing and 1.2 Uw with triple glazing.

58BW HI Data sheet

Click this link to access the NBS Chorus page for this product and specify it for your project:

NBS 58BW HI

DISCOVER THE NEW 58BW FLUSH HI WINDOW

OVERVIEW
TECHNICAL DATA
TECHNICAL DATA HI
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Design features

Certified under the Secured By Design scheme
Tested to PAS 24
Green guide rated A
Integrated deep head profiles for ease of trickle ventilation
Unique polyamide thermal break design to improve thermal performance

Options

Glazing 24mm – 40mm
Internally or externally glazed
58mm or 70mm frame depth to accommodate
varying types of applications
Project in or project out options
Available in a range of single or dual colour and anodised finishes
Available in the following aesthetics: Flush, Bay, Chamfered, Heritage, Ovolo and contemporary
Available in the following configurations: top hung, bottom hung, side hung, fixed light, multi-light and French casement
Available for Lifetime Homes (LFT)

	Outward opening
Performances
U value W/m²K (Double glazing) :	1.5 W/m²K
U value W/m²K (Triple glazing) :	1.2 W/m²K
Window energy rating :	B - C
BRE Green Guide rating :	A Rated
Acoustic performance (dB) :	Rw (C;Ctr) 42 (-1;-5) dB
Air tightness (Pa) :	Class 4 (600 Pa)
Water tightness (Pa) :	Class 9a (600 Pa)
Wind load (Pa) :	Class E2400 (2400 Pa)
Security PAS 24 :	X
Certifications :	Q-mark
Secured by design :	X
Configurations
Opening :	Open out
Top hung :	X
Side hung :	X
Bottom hung :	X
Fixed Light :	X
Multi light :	X
french casement :	X
Size limits
Top hung (max weight) :	180 Kg
Side hung (max weight) :	55 Kg
Bottom hung (max weight) :	60 Kg (3 hinges)
Fixed light (max weight) :	250 Kg
Features
Frame depth :	58mm and 70mm
Dual color option :	X
Multi-point locking :	X
Glazing options :	Internal and external bead
Glazing thickness :	24mm - 40mm
Sightline (Frame to Vent) :	75mm
Sightline (Vent to Mullion) :	89mm
Sightline (Fixed Light) :	43mm
Aesthetics
Bay :	X
Chamfered :	X
Contemporary :	X
Ovolo :	X

	58BW Casement
Performances
U value W/m²K (Double glazing) :	1.4 W/m²K
U value W/m²K (Triple glazing) :	1.2 W/m²K
Window energy rating :	B - C
BRE Green Guide rating :	A rated
Air tightness (Pa) :	Class 4 (600pa)
Water tightness (Pa) :	Class 9A (600pa)
Wind load (Pa) :	Class E2400 (2400pa)
Security PAS 24 :	X
Certifications :	X
Configurations
Opening :	outward opening
Top hung :	X
Side hung :	X
Bottom hung :	X
Fixed Light :	X
Multi light :	X
french casement :	X
Size limits
Top hung (max weight) :	180kg
Side hung (max weight) :	55kg
Bottom hung (max weight) :	45kg
Fixed light (max weight) :	250kg
Features
Frame depth :	58mm & 70mm
Dual color option :	X
Multi-point locking :	X
Glazing thickness :	24mm-40mm
Sightline (Frame to Vent) :	75mm
Sightline (Vent to Mullion) :	89mm
Sightline (Fixed Light) :	43mm