75mm Unilin Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 4)
75mm Unilin Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 4)
- Product Code: A1-5007
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model and Size: 2400x1200mm - 11.52m2
Our ratings on 21-11-2025:
4.8 out of 5
75mm Unilin Safe-R SR/UF Phenolic Underfloor Insulation Board (pack of 4)
Length: 2400mm
Width: 1200mm
Thickness: 75mm
Pack Quantity: 4
Board Coverage: 2.88m2
Pack Coverage: 11.52m2
Thermal Conductivity: 0.021W/mK
R-Value: 3.55m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): D(Class 3)
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 a thermal conductivity as low as 0.02W/mK.
Note: this product was formerly known as 75mm Xtratherm Safe-R SR/UF Phenolic Underfloor Insulation Board
APPLICATION
- Underfloor
CHARACTERISTICS
- Superior performance phenolic foam,
- Provides the most efficient U-values with minimal thickness,
- Effective thermal and fire performance,
- Low smoke obscuration,
- For new build or refurbishment,
- Rot proof and will remain effective for the life span of the building,
- Can be readily cut using a sharp knife or fine toothed saw
CERTIFICATION

- EN ISO 9001 - Quality Management Systems
- EN ISO 14001 - Environmental Management Systems
- ISO 45001 - Occupational Health & Safety Management System
- BBA approved
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
100mm Unilin XtroLiner XO/PR board has a core of modified polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XtroLiner XO/PR board offers excellent insulation performance with excellent thermal conductivity. Unilin XtroLiner XO/PR is CFC & HCFC free and is ma..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200x2400mm - 11.52m2
Delivery Time: 1-3 working days
75mm Unilin Thin-R Hyfloor XT/HYF is a high performance floor Insulation board with superior thickness to performance ratio allowing the lower targets required under the new Building Regulations to be achieved with minimum thicknesses. Unilin Thin-R Hyfloor XT/HYF is a high performance foil faced Po..
Brand: Unilin (prev. Xtratherm)
Model and Size: 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 ..
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
59.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 50mm Unilin PIR core faced with composite kraft paper bonded to 9.5mm plasterboard, specially designed for internal walls dry lining and insulation, due to its closed cell comp..
Guide Price: £49.36
£59.23 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 1200mm x 450mm - 2.16m2
Delivery Time: 1-3 working days
150mm Unilin CavityTherm wall insulation board is a high performance composite board of enhanced PIR core with a lambda value of 0.021W/mK. The boards have gas tight facings with one face bonded to a profiled HIPS skin during manufacture to provide a drainage plane. Unilin CavityTherm's unique ..
Guide Price: £123.76
£148.51 inc VAT
Brand: Unilin (prev. Xtratherm)
Model and Size: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
99mm Unilin Plydeck Flat Roof Board is a high-performance composite board designed for flat roof applications. It comprises a 90mm rigid polyisocyanurate (PIR) insulation board directly bonded to a 9mm OSB board. This combination provides both high levels of thermal insulation and a robust decking s..