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Specialist Casement Window Renovation and Performance Upgrade

Third party certifications:
  • BBA Agrément Certificate

    Certificate type

  • BSI Kitemark

    Certificate type

  • QA Certificate

    Certificate type

Ventrolla Sash Window Restoration

Casement timber window renovation and performance upgrade.

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+44 (0)1423 859323 www.ventrolla.co.uk
Description

Ventrolla’s two-part process begins with the treatment and renovation of the timber casement window; the second part involves upgrading the performance by draught-proofing the window using Ventrolla's unique perimeter sealing system, VPSS. All work is carried out internally, eliminating the need for scaffolding.

The Ventrolla Perimeter Sealing System (VPSS) is installed into either the frame of the casement window or the sash itself (depending upon the construction of the casement window). If appropriate, the system can be installed into staff bead around the frame. The pile carrier is routed into the timber giving a permanent fixing point and making the system an integral part of the window.

Features/ Benefits:

  • Replacement windows consume up to 40 times the energy of renovation.
  • Renovation retains the invested energy within the original window.
  • Minimal waste is sent for recycling or to landfill.
  • Window energy rating is improved by 30%.

General information
Finish

Exposed bare wood is painted with white acrylic primer to BS 5082

Uniclass 2015 Wood window units (Pr_30_59_98_96)
Specification data
Product Reference

Specialist Casement Window Renovation and Performance Upgrade

Ventrolla Perimeter Sealing System (VPSS) location

Frame

Sash

Staff bead

Sill replacement

Not required

Required

Ironmongery

Not required

Replace existing

Standard product features

Finish:

Exposed bare wood is painted with white acrylic primer to BS 5082.

Ventrolla Wood Repair:

Ventrolla wood repairs are undertaken using Ventrolla VR90, formulated to give long lasting wood repairs beyond those normally carried out using conventional polyester wood fillers. VR90 is a patented two-part resin system and is designed to impart the original strength to tenon joints, fill gaps/ joints and is moulded to match the window profile. It completely bonds with the parent wood and flexes when the wood contracts or expands. To achieve this bond, all decayed wood is removed exposing only sound wood. This is then stabilized using VR90 WS solution which penetrates the wood fibres to attain the permanent anchorage for the subsequently applied VR90 filler.

Ventrolla Perimeter Sealing System (VPSS) performance:

  • Air permeability: To BS EN 12207 Class 3 and BS 6375: 1-2009 (600 Pa) to withstand 71 mph winds, independently assessed by British Board of Agrément (test report number 2756).
  • Draught strips: Tested to BS 7386.
  • Sound insulation: Independently tested and proven to fall within the 6–10 dB noise reduction range. Performance verified by Hanns Tucker Acoustic Engineers.

Product Options

Sill replacement and lower box assembly:

Replacement sills can be provided to match original profiles. The original bottom section of the box linings is removed and Sill trenches are cut, the frame and mullions are spliced to facilitate a flush and water tight finish.

Ironmongery:

A wide range of specialist locks and catches are available.

Third party certifications
  • Air permeability: tested to BS EN 12207 Class 3 and BS 6375 (600 Pa), test report 2756 : Weatherfin Pile (Draught proofing) testing
  • Draught Strips (Weatherfin Pile): Tested to BS 7386
  • Hanns Tucker Acoustic Engineers : Sound Insulation: Independently tested by and proven to fall within the 6–10 dB noise reduction range (tested on single glazed sashes)
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