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Application

Fully compatible with all types of building, whether masonry, steel or timber-framed, and with PVC-U, wood, metal and composite windows and doors.

Description

Designed to create window and door openings while sealing cavities between 50–100 mm wide. With built-in insulation, the cavity closer delivers enhanced thermal efficiency to meet current Building Regulations. Manufactured from recycled PVC-U.


Features and benefits:

  • Insulates and seals cavities around windows and doors – improving thermal performance and eliminating draughts.
  • Quick and easy to fabricate and fit, with straight cuts and slot-together fitting – saving time and money.
  • Creates a rigid template for bricklaying, with no need for dummy formers – providing an accurate, square opening every time.
  • Tough, robust design – able to withstand the most demanding site conditions.
  • Universal design – accepts all window systems.
  • Fully approved by BBA and NHBC as a closer and acceptor and complies with Accredited Construction Details (ACDs).


General information

Color

White

Material

PVC-U

Guidance for specification option:

Recycled PVC-U.

Uniclass

Pr_35_90_50_64 Plastics cavity closersPrimary

CAWS

F30/18 Cavity closers

F30/180 Cavity closers

Product range

Cavity Closers

Specification data - Plastics cavity closers

Classification data

Third-party certification

Fully approved by the BBA.

Accessories

Not required.
BBTIE.

Guidance for specification option:

Brick ties.

BOOT14.

Guidance for specification option:

Brace boot.

CAV50MOU.

Guidance for specification option:

50 mm corner.

CAVBRBOX.

Guidance for specification option:

Bracing bar.

CORBRA.

Guidance for specification option:

Corner brace.

To fit cavity width

50 mm.
75 mm.
90 mm.
100 mm.
125 mm.
150 mm.

Length (effective)

6000 mm.

Sustainability data

Country of material origin

United Kingdom

Material

PVC-U

Guidance for specification option:

Recycled PVC-U.

Recyclability

-

Manufacturer guidance

PVC-U element recyclable.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

100 %

Literature

Cavalok Cavity Closers Product Chart

Cavalok Cavity Closers Product Chart

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