Top 9 Cavity Insulation Slab UK – Insulation Wool

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1. Builder Merchant

Knauf Earthwool DriTherm 37 Cavity Insulation Slabs | 50mm 6.55m2 per pack

Builder Merchant - Vat included. Excellent thermal and fire properties. Dritherm 37 insulation slabs have an A1 Euroclass fire rating. Fast Delivery available. Sold by builder merchant | 020 3807 0741.
BrandBuilder Merchant

2. TDI

TDI DAMCOR Insulating Vertical Damp Proof Course 165mm

TDI - Damcor insulating vertical Damp Proof Course 165mm. Lengths may be lapped with no loss of thermal efficiency. Combining advantages of expanded polystyrene and Polyethylene DPC, DAMCOR is designed to prevent the problem of cold bridging around window and door openings in traditional cavity constructions. A complete and simple solution to thermal bridging where the cavity is closed.
Part NumberDC165

3. Buildershop UK

Buildershop UK 100mm Rockwool RWA45 Formerly Known as ProRox SL920 Acoustic Slab 6 x 2.88m2 Packs

Buildershop UK - Thermal, acoustic and fire insulation most commonly used when the reduction of noise is required. Rockwool rwa45 is a flexible high quality resin bonded Rockwool insulation Slab.
BrandBuildershop UK
ManufacturerBuildershop UK
Part Number0036262

4. High Loft

Non Allergy Loft Thermal Construction Insulation Roll, Itch Free 5 Metre x W370 mm x T110mm

High Loft - Specifications: these thermal insulation’s length: 5 meter, width: 370 mm & Thickness: 110 mm. Our thermal insulation for cold rooms and it keeps room temperature normal. 20% heat loss through windows & doors. Making houses more energy efficient and helps to feel warmer.

33% heat loss through uninsulated walls. High loft provides thermal insulation for cold room construction in both new and renovated projects. 100% customers Satisfaction Guaranteed. According to the energy saving Trust in an uninsulated home: -66% heat loss through uninsulated solid walls. 25% heat loss through uninsulated loft / roof space. If for any reason you have any kind of query, feel free to contact with us! Wish you be always happy and healthy! Material: thermal construction Insulation is made of recycled Polyester and the amount of recycled materials is 90%.

Features: recycled polyester which can be doubled up to make around 220 mm of thickness. And most importantly it is Non Allergy, Itch free. Itch free and anti allergy. Coverage: 2. 96 m² and r-value: 2.
BrandHigh Loft
ManufacturerHigh Loft


5 Small White Rigid Polystyrene Foam Sheets Boards Slabs, Size 600mm Long x 400mm Wide x 10mm Thick, EPS70 SDN Floor Insulation Sheeting Packing Void Loose Fill Filler Protective

UKPS - Polystyrene Sheets. Can also be used as floor insulation in the building / flooring trade. They can easily be cut down to size with a knife or a hot wire, like all polystyrene sheets we stock. The sheets are great for use with packing / dispatching items in the warehouse, as well as in the building trade.
Part Number3335997440384

6. Everbuild

Everbuild Foam Sealant Joint Backer Rod 10mm x 10 Metre

Everbuild - Flexible - won't bubble or blister. Reduces Sealant Usage. Improves sealant Performance by obtaining easily the correct joint dimensions. Quick and Easy to Apply.
Part NumberEVBBACK1010M

7. FloorPro

2mm White Foam Underlay for Any Laminate/Real Wood Flooring, 1m x 15m 15m2 Roll Size, Acoustic/Insulation Underlay by FloorPro®

FloorPro - Roll size: 1metre x 15metres 15m2. Ideal for all types of wood or laminate Flooring. Sound reduction: 20dB approx. Thickness: 2mm. Important: make sure to also buy Barrier Pro X Tape to join this underlay together when installing. Testing to quality Standards ISO 1923.

8. SuperFOIL

Hutch, SuperFOIL Multi Purpose Insulation | High Performance Reflective Bubble Foil Wrap for Multiple DIY Applications | Loft, Attic, Kennel, Garage, Shed, Greenhouse | 0.6m x 10m, Campervan

SuperFOIL - Easy to install - lightweight, flexible and easy to handle- simply cut the Insulation to the Size You Need, Staple to your Wall, Roof or Floor and Seal with SuperFOIL Foil Tape. No ppe Needed. The essential all-rounder - suitable for use as a high performance insulation in a wide range of Applications around the Home and Garden- Including Walls, Sheds, Garden Buildings, Basements, Garages, Hutches, Stables, Caravans, Boats, Kennels, Pet Homes, Roofs and Floors in Lofts, Campervans and Greenhouses.

This creates an ultra-low-emissivity Radiant Barrier and Impermeable Vapour Control Layer, whilst Delivering Outstanding Thermal Performance. Superfoil products are labc registered and BBA Accredited to Ensure the Best Performance.

Robust construction - 3 in 1 design combining two layers of heavy duty Reflective Foil with an Internal Bubble Structure. Save money - prevents heat loss and reduces energy bills, a Cost-Effective Solution to Keep Living Spaces Warmer in Winter and Cooler in Summer whilst Minimizing your Carbon Footprint. Independently tested - our vapour barrier membrane is tested to the Highest UK Standards.
ManufacturerBoulder Developments Ltd
Height31 cm (12.2 Inches)
Length60 cm (23.62 Inches)
Width31 cm (12.2 Inches)

9. buildershop (uk) ltd

2400 x 1200 x 50mm Celotex GA4050 / Kingspan TP10 / TF70 / Ecotherm Ecoversal Foil Insulation 10

buildershop (uk) ltd - Please note a delivery charge may be payable if you require your order to be delivered to a location in Scotland, Wales or to a non mainland address or LA/CA postcodes. Multi use foil faced PIR rigit insulation board suitable for roofs, floors and walls. Celotex, kingspan, ecotherm or a direct equivalent PIR insulation will be supplied depending on location.
Brandbuildershop (uk) ltd
Manufacturerbuildershop (uk) ltd