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Two choices of

Cavity Closer System

Cavity closers are ideal for use in new build projects.

Housebuilders use them to ensure the dimensions of a window aperture are fixed. This reduces surveying and installation time and site damage. Profile 22 cavity closers are manufactured using 98% recycled materials to improve sustainability and can be used in conjunction with any Profile 22 system or with timber windows.

This versatile cost-effective cavity closer system provides many benefits such as a template for window apertures, simple and effective frame location and also features built-in sealing. This means that windows can be fitted internally, improving thermal performance and overcoming a raft of health and safety regulations. designed to work just as effectively with timber and PVC-U window and doorframes, the system can be installed in 100mm cavities only.

Winfast cavity closer and former system is manufactured from 98% recycled PVC-U and is designed to work with all modern methods of construction.

Winfast is a made to measure system designed to drop straight into the cavity without adjustment on site. The sub- frame acts as horizontal and vertical damp proof membrane and can be used as a former as brickwork is built up stabilised with specialist brick ties, PVC-U brace and shoes. It allows you to install in minutes from the inside, without scaffolding and special brackets. The secret is a unique locking system (patent applied for) that fits the frame in place immediately. once fitted, the frame only requires sealing under the cill and to the brickwork at the jamb head.

  • bbA approved certificate no. 01/3827
  • Window and door former for timber frame or brick and block construction
  • Allows windows to be fitted from the inside
  • Ensures building regulations compliance including document l
  • Head vents provides overhead ventilation to Approved document F
  • designed for 100mm cavities
  • Window frames fixed by a unique cam system – no drilling required
  • Window frames retained within a sealed rebate, improving thermal efficiency and weather resistance
  • Fast fit: Time saving of up to 66% gained compared to conventional window installation
  • Cost effective: Cost savings of up to 40% gained compared to conventional window installation
  • Acts as a horizontal and vertical dPm
  • 98% recycled content
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