Menu
Menu
Your Cart

86mm Unilin Thin-R XT/Walk-R - Insulated Loft Decking Board - 1200mm x 600mm

86mm Unilin Thin-R XT/Walk-R - Insulated Loft Decking Board - 1200mm x 600mm
86mm Unilin Thin-R XT/Walk-R - Insulated Loft Decking Board - 1200mm x 600mm
Our ratings on 27-01-2026:
Google My Business Reviews
4.8 out of 5

86mm Unilin Thin-R XT/Walk‑R - Insulated Loft Decking Board - 1200mm x 600mm

Length: 1200mm
Width: 600mm
Thickness: 86mm
Board coverage: 0.72m2
Thermal Conductivity: 0.220W/mK
R-Value: 3.4m2K/W

86mm Unilin Thin‑R XT/Walk‑R is a high‑performance insulated loft decking board, comprising a rigid 75 mm Polyisocyanurate (PIR) core faced with low emissivity foil and topped with an 11 mm OSB layer. Walk‑R is the solution that provides safe entry to the loft as well as improved insulation of the attic space, combining access and energy efficiency in one product. Unilin Thin‑R XT/Walk‑R is the practical solution for loft spaces, delivering safe entry and improved attic insulation in one specification‑ready board.

Note: Other thicknesses may be available depending on minimum order quantity and lead time.

CHARACTERISTICS

  • Insulated loft decking board
  • Core: 75 mm rigid PIR insulation with low emissivity foil facings
  • Surface: 11 mm OSB deck bonded to insulation core
  • Provides thermal insulation and a robust walking surface in one board
  • Ensures secure entry and movement within loft spaces
  • PIR core achieves excellent U‑values, supporting compliance with Building Regulations
  • OSB top layer ensures strength and stability for safe loft access and storage
  • Lightweight boards can be laid directly over joists
  • Foil facings and OSB surface provide protection against damp conditions

APPLICATION

  • Loft Access & Storage: Creates a safe, load‑bearing deck for maintenance and storage.
  • New Build & Retrofit: Suitable for both new construction and refurbishment projects.

CERTIFICATION

  • ISO 45001 Occupational Health & Safety Management Systems
  • ISO 9001 Quality Management Systems
  • ISO 14001 Environmental Management Systems
Brand: Unilin (prev. Xtratherm) Model: 1200x2400mm - 8.64m2
Delivery Time: 1-3 working days
120mm Unilin XtroLiner XtroDeck XO/XD board has a core of modified polyisocyanurate (PIR) bonded to low emissivity embossed aluminium foil facings. Unilin XtroLiner XtroDeck XO/XD board offers excellent insulation performance with excellent thermal conductivity.Unilin XtroLiner XtroDeck XO/XD b..
Brand: Unilin (prev. Xtratherm) Model: 2400x1200mm - 11.52m2
Delivery Time: 2 - 3 working days
75mm Unilin Safe-R SR/UF Phenolic foam is a superior performance rigid underfloor insulation with enhanced fire performance, consisting of an Euroclass D s1 d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/UF is faced with low emissivity aluminium facings both sides, and has..
165mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm 165mm Unilin XT/TF PIR Rigid Insulation Board - Timber Framed Walls - 1200mm x 2400mm
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
165mm Unilin Thin-r XT/TF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings for use in timber framed walls. Unilin XT/TF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/TF is CFC & HCFC free and is manu..
Guide Price: £67.77
£81.32 inc VAT
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 11.52m2
Delivery Time: 7 - 10 days
75mm Unilin Safe-R 019/MA (Floors) is a high‑performance phenolic floor insulation board designed to deliver excellent thermal efficiency with minimal thickness. It is commonly used below screeds, timber floors and concrete slabs where achieving low U‑values is essential without increasing floor bui..
Brand: Unilin (prev. Xtratherm) Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
56mm Unilin FR/TP Thermal Ply Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 50mm rigid polyisocyanurate (PIR) insulation board directly bonded to a 6mm WBP grade plywood. This combination provides both high levels of thermal insulation and ..
84.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (75mm PIR Insulation bonded to 9.5mm Plasterboard) 84.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (75mm PIR Insulation bonded to 9.5mm Plasterboard)
Guide Price
Brand: Unilin (prev. Xtratherm) Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
84.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 75mm Unilin PIR core with foil faces bonded to 9.5mm tapered edge plasterboard for mechanically fixing to internal walls. Unilin XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in one opera..
Guide Price: £53.08
£63.70 inc VAT
This product is listed in the following categories and systems (click to show).