Menu
Menu
Your Cart

125mm Kingspan Thermabate Cavity Closer 3m length (pack of 8).

125mm Kingspan Thermabate Cavity Closer 3m length (pack of 8).
Guide Price
125mm Kingspan Thermabate Cavity Closer 3m length (pack of 8).
Guide Price: £234.47 (£281.36 inc VAT)
To add to cart change quantity to minimum of 3. If you need less, ask for a price or add to a quote list.
  • Product Code: A1-2157
  • Delivery Time: 2 - 3 weeks
  • Brand: Kingspan
  • (Tech. support: 01544388601)
  • Model and Size: thermabate-Free Delivery
Our ratings on 02-04-2025:
TrustPilot Review 4.7
4.7 out of 5 - Excellent
Google My Business Reviews
4.8 out of 5
Show other thicknesses

125mm Kingspan Thermabate Cavity Closer 3m length (pack of 8)

Width: 125mm
Length: 3000mm
Thermal Conductivity: 0.034W/mK

125mm Thermabate Cavity Closer, an innovative solution designed to maintain continuous insulation around window and door openings. Crafted with a rigid thermoset urethane insulation core, this cavity closer box section ensures optimal thermal performance and condensation control. It adapts seamlessly to timber, metal, or uPVC window frames, providing a versatile solution for various wall constructions including masonry cavity, timber frame, and steel frame. The proper use of Kingspan Thermabate Cavity Closer can reduce the risk of condensation forming at reveals and thus unsightly mould growth, which can lead to the deterioration of plaster, paintwork and wallpaper.

Key Features and Benefits:
  • Available in convenient 3-meter lengths
  • Easy installation and handling
  • Preserves a consistent insulated cavity closer around doors and window openings
  • Eliminates the need for cutting bricks, blocks, or specialized reveal blocks
  • Reduces thermal bridging, condensation risk, and mold growth
  • Weather-resistant design with integrated DPC (Damp Proof Course)
  • Possibility of combined installation with door or window frames
  • Unaffected by air infiltration
  • Made from non-deleterious materials
  • Insulation core manufactured with an environmentally friendly blowing agent with zero ODP and low GWP
Thermabate Sections Thermabate Typical Detail
Quality and Certification:

Kingspan Thermabate is manufactured to the highest industry standards and adheres to a management system certified to ISO 9001:2015 (Quality Management Systems - Requirements), ISO 14001:2015 (Environmental Management Systems - Requirements), and BS OHSAS 18001:2007 (Health and Safety Management Systems - Requirements). This product is backed by BBA Certificate 91/2648, ensuring its credibility and performance.

Important Note: Suitable for masonry wall openings in England & Wales only.

Brand: Kingspan Model and Size: 2400x1200mm - 17.28m2
Delivery Time: 3 - 7 days
50mm Kingspan Kooltherm K103 Floorboard is a premium performance lower lambda insulation with a fibre-free rigid thermoset phenolic core. The board faced on both sides with a glass tissue based facing, autohesively bonded to the insulation core during manufacture. It used for insulating beam and blo..
£331.46
£397.75 inc VAT
Add to Cart
Brand: Kingspan Model and Size: extensionclip
Delivery Time: 2 - 3 working days
Flange Extension Clip for connecting Kingspan Thermabate to extend the width of the fixing flange. It enables positive fixing of frame over suspect masonry. Supplied in one meter lengths. Colour coded to white.CERTIFICATIONKingspan Thermabate is manufactured to the highest standards under a manageme..
Get Best Price
80mm Kingspan K-Roc Rainscreen Slab - 1200mm x 600mm - pack of 6 80mm Kingspan K-Roc Rainscreen Slab - 1200mm x 600mm - pack of 6
Guide Price
Brand: Kingspan Model and Size: 1200mm x 600mm - 4.32m2
Delivery Time: 3 - 4 days
80mm Kingspan K-Roc Rainscreen Slab is a Class A1 reaction to fire rigid rock mineral fibre insulation slab used in rainscreen cladding applications in all buildings and is BBA certified. The board is very easy to cut and shape by using a saw or a sharp knife. It is very durable when properly i..
Guide Price: £65.13
£78.16 inc VAT
Get Best Price
Brand: Kingspan Model and Size: TP10 1200x2400
Delivery Time: 2 - 3 working days
25mm Kingspan Thermapitch TP10 is a high-performance insulation board specifically designed for use in tiled or slated pitched roofs. Featuring a high-performance rigid thermoset insulation core, it is faced on both sides with a low emissivity composite foil facing, which enhances its thermal effici..
£31.45
£37.74 inc VAT
Add to Cart
Brand: Kingspan Model and Size: 75x2400mm
Delivery Time: 5 - 7 days
75mm Kingspan Kooltherm Cavity Closer is a PVCU extrusion with a rigid thermoset insulation core, which provides a simple and efficient method of closing cavities around openings in cavity walls. It is suitable for use with timber, metal or PVC window frames and can also be supplied to order in..
Get Best Price
Brand: Kingspan Model and Size: 1200mm x 1200mm - 5.76m2
Delivery Time: 3 - 5 days
80mm Kingspan Thermaroof TR27 is a high-performance flat roof insulation board featuring a rigid thermoset polyisocyanurate (PIR) insulation core. This core is faced on both sides with a coated glass tissue, providing enhanced durability and moisture resistance. Its versatile design allows for insta..
£197.01
£236.41 inc VAT
Add to Cart
This product is listed in the following categories and systems (click to show).