What is a Cavity Closer?

by scott douglas

In the Winter Months, Finding ways to Improve Insulation to our Homes and Workplaces is likely to be a Hot Topic.

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We tend to think of Building Materials that can protect against Heat Loss, such as Loft Insulation.

With more emphasis on Climate Change and the Governments Carbon Reduction Targets, adding a Cavity Closer to a New Building or Cavity Closers when replacing Windows and Doors will protect the Building against more Thermal Loss.

Cavity Closers provide a Damp Proof Course and Thermal Break at Doors and Windows.

The Cavity Closer is an energy-efficient aperture former that allows Brick Courses to be completed and creates an Air Tight Receiver for Windows and Doors.

This cost-effective method means a Cavity can be Closed at the Window Frame or Door Frame in almost all Sizes and Wall designs.

What is a Cavity Wall?

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Cavity Walls have been a popular choice in the UK for over One Hundred Years.

Cavity Wall Construction consist of two walls commonly known as Outer and Inner Leaves.

The two walls create a chamber that prevents Moisture from travelling from the Outer Wall to the Inner Wall and allows for Insulation to be added for a fully insulated cavity providing more fire safety, continuous insulation fill and Acoustic Benefits.

A Cavity Wall is relatively simple to build, and the benefits include 

  • Building Fabric Efficiency 
  • Cost-Effective
  • Thermal Capabilities
  • Adaptable to Modernisation or Retro Fit
  • Robust
  • Acoustic Properties
  • Accessible Building Materials

Insulated Cavity

Cavity Wall Insulation is a Quick and Affordable method to improve your Home Thermal Performance and help Restrict Heat Loss.

If you are in a Property built in the Last Twenty Years, you are likely to have Insulation.

The first thing to check is the type of Wall you have. Is it a Solid Wall or a Cavity Wall?

If your property was Built in the Last Forty Years, it is almost sure to have a Cavity.

Measure the Wall if more than 260mm it is likely to have a Cavity.

Adding Insulation will save you Money in Energy Bills, Reduce your Carbon Footprint, and make your Home more Comfortable all year round.

A Professional would typically Inject Foam Insulation or Polystyrene Balls into the Cavity through small Drill Holes.

Your Energy Supplier will be able to recommend Approved Professionals in your Area.

Insulated Cavity Closers

An Insulated Cavity Closer works in the same way and offers the same benefits as a Cavity Closer, including a Damp Proof Membrane, flexible seal and PVC extrusions.

Insulated Cavity Closers provides an additional layer of Insulation, creating an even more efficient thermal break.

An Insulated Cavity Closer contributes to energy-efficient construction and is available from Cavalok and YBS Cavity Closers.

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Cavity Closer Installation

Cavity Closers are relatively easy to install following Manufacturing Guidelines.

Most Cavity Closers can be cut to size and come with a Slotted Design and Punched Flange.

Cavity Closers from YBS and Eurocell Cavalok can be tacked into an existing Frame or Built-in as a Work in Progress Template.

Recommended Installation Advice is provided with your Cavity Closer, or our Technical Team can help with any questions.

Key Benefits of Cavity Closers 

 

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The Cavalok Cavity Trade Closer is Manufactured from 100% Post-Consumer U-PVC
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Reduces Cold Bridging around Window and Door Frame reducing CO2 Emissions

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Cavity Closers reduces the potential for Condensation, Damp and Mould and Water Ingress.

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The Cavity Closer is also an integral piece of future Part L Building Regulations concerning the Future Homes Standard.

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A Cavity Closer can be Cut to Size and purchased as a Single Unit or in Bulk Packs.

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Some Cavity Closers will come with a Fire Rating which can be up to Thirty Minutes.

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Easy to Store, Transport and Cut with Pre Cut Grooves means your Cavity Closer will make Installation Faster and Easier. 

 

Cavity Closers can be used for Retro Fit Projects or New Construction Builds.

More Information on Cavity Closers, including Installation and Specification Downloads, can be found in the Insulation Section on our website. Please do not hesitate to contact our Technical Team if you have further questions.

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