MP555 - THERMAL CAVITY CLOSER


Designed for use as an insulated DPC around door and window frames in masonry cavity walls.

The Thermal Cavity Closer 555 consists of Tissue Faced Rockfibre Slab laminated to Black Polythene DPC. The DPC forms a 40mm flange on each side of the insulation and a 100mm flange at the bottom edge.


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DESCRIPTION


The product minimises cold bridging around openings and assists with meeting the requirements of Approved Document L England & Wales & The Scottish Technical Handbook.

Intended for installation at block return reveal locations to limit thermal bridging between the end of the blockwork and rear of the outer masonry leaf.

Specification

• Insulation Length: 1200mm
• Insulation Width: 100mm, 150mm, 190mm
• Void Depth: 20mm, 50mm, 75mm
• DPC Width: 180mm, 230mm, 270mm

Other sizes are available

• Thermal bridging solution
• Strong yet flexible design
• Any width to suit application

Product Performance

Thermal Conductivity (K value)

• 0.035 W/mK

Thermal Resistance (R Value)

• 0.57m² K/W (20mm)
• 1.42m² K/W (50mm)
• 2.14m² K/W (75mm)

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