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Metro Series Double Hung Windows
FIRST Windows & Doors
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11a New Double Hung Window Interlocker
11b
11c New Double Hung Window Lock
11d New Double Hung Window Head
Description

Double hung windows are a counter-balanced vertical sliding window system where both panels move together. They are a good option for non-projecting ventilation.

Key Features
  • Suitable for residential, commercial and institutional use
  • In the fully open position with both sashes adjoining each other half the window area is open
  • Recommended aspect ratio is 2:1 with a weight restriction of 100kg per panel
  • Tested to Extra High wind zone
  • Generally appropriate in single banks because of the large width of coupling bars
  • Work well with insect screens
  • Opening handle in bottom rail of lower sash has two locking at the sill
Categories
Sliding Windows
Ranges
Metro Series
Scope of Use
  • Suitable for residential, commercial and institutional use
  • Suitable for wind zones up to Extra High
  • Work well with insect screens
Limitations on Use
  • Opening gap at sill may need to be restricted in high window situations
  • Double hung windows will generally be appropriate in single banks because of the large width of coupling bars
  • Recommended aspect ratio is 2:1 with a weight restriction of 100kg per panel
  • Consider the ease of reaching to the window handle if the sliding panel is placed beyond a bench
Statement of Building Code Compliance
  • Designed, tested and manufactured to meet NZS 4211: Performance of Windows, and NZS 4233: Glazing in Buildings, Parts 1-4
  • Designed and tested to conform to NZ Building Code, including Clause E2
In-Service History
  • Launched in 2019
Other Performance Attributes
  • Window and door warranty provided under normal conditions of use against failure of materials and workmanship for a period of five years
  • Surface finish is covered by a separate performance warranty dependent on the actual finish selected
  • A hardware/componentry warranty is offered against defects in manufacturing, functionality and surface finish for a period of five years, provided care and maintenance guidelines have been followed
Documents
Data Sheet

2020

pdf
Span Tables
pdf
Declare Label

2022

pdf
FIRST on Masterspec
URL
Full Specification

2019

pdf
Specifier Guide

2019

pdf
WGANZ Guide to E2/AS1

1 August 2019

pdf
First Care, Maintenance & Warranty Brochure (with AGP)

2020

URL
First Brochure

2014

URL
AGP Cleaning & Maintenance
pdf
AGP Condensation Guide
pdf
AGP Visual Quality of Glass
pdf
APL and Sustainability

2019

URL
Manufacturer Contact List
URL
CAD/PDF Details
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First Metro Series Double Hung Window
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First Metro Series Double Hung Window - Aerovent Option
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BIM
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First Metro Series Double Hung Window
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First Windows & Doors have a high-performing range of solutions for all homes and commercial projects, from entrance doors to windows, sliders, bi-folds and thermally efficient options.

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