Kingspan Insulation - Kingspan Insulation - Thermabate Cavity Closer - Insulation Kingspan


Kingspan Group Kingspan Insulation

Thermabate & Thermabate PLUS

Thermabate Cavity Closer is PVC–U extrusion with a fibre free, rigid thermoset insulation core that maintains continuous insulation around window and door openings. It is suitable for use with timber, metal or PVC window frames.

Thermabate & Thermabate PLUS

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Thermal conductivity 0.034 W/m.K
Sheathing uPVC extrusion
Core High performance rigid thermoset fibre-free urethane insulation core manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).
Section length 3.0 m
Profile widths
Single Flange:
Twin Flange:

50, 65, 75, 85, 90 & 100 mm
110, 125, 140 &150 mm
Download Thermabate CAD Drawing
NBS Product Specification

Kingspan Thermabate PLUS

Kingspan Thermabate is a cavity closer box section comprising a uPVC extrusion with a high performance rigid thermoset fibre-free urethane insulation core. Kingspan Thermabate provides a simple and effective method for closing cavities around openings in masonry cavity, timber frame and steel frame system (SFS) wall constructions.

Kingspan Thermabate PLUS is a pre-assembled frame, comprising Kingspan Thermabate sections, fabricated off-site, to accurately match specified opening sizes.

Our pre-formed cavity closer quotation service offers a 48-hour turn around. For a quote please send the window schedule, along with the full specification to:


Thermabate & Thermabate PLUS

Therma Quick Guide

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