Skip to content
Order helpline:

01786 657 911 | Open Mon-Fri 8am-5pm

  • Insulation
    • All Insulation
    • Cavity Barriers
      • Expanding Cavity Barriers
      • ROCKWOOL® Cavity Barriers
    • Loft & Underfloor Insulation
      • Loft & Underfloor Insulation
      • Loft Legs
    • Glass Wool and Mineral Wool
      • Glass Wool and Mineral Wool
      • Glass Wool
      • Mineral Wool
      • Glass Mineral Wool
    • Aerogel
      • Spacetherm®
    • Foam Glass
      • Foam Glass Aggregate
      • Foam Glass Aggregate Floor Build-up
      • Foam Glass Slabs
    • Recycled Insulation
      • SupaSoft
    • Rigid Insulation Boards
      • PIR Board
      • Phenolic Foam Boards
      • Polystyrene
    • More
      • Technical Insulation
      • Fire Rated Insulation
      • Clearance
  • Natural Insulation
    • All Natural Insulation
      • Wood Fibre Insulation
      • Hemp Insulation
      • Sheep's Wool
      • Wood Wool Boards
      • Sustainable Building
    • Wood Fibre Insulation
      • Wood Fibre Flexi Insulation
      • Wood Fibre Rigid Insulation
    • Sheep's Wool
      • Sisalwool
      • Sheep's Wool Roll Insulation
      • Sheep's Wool Slab Insulation
    • Hemp Insulation
      • All Hemp Insulation
      • IndiLoft®
      • IndiTherm®
    100mm STEICO Flex 036 - 575mm x 1190mm - PALLET OF 10 | Insulation Merchant
    STEICO
    Insulate naturally, with wood fibre.
    Shop STEICO
    100mm Sisaltech SISALWOOL™ 100 (1200x570mm) - Pack of 6 (4.104m²) | Insulation Merchant
    SISALWOOL™
    The World’s Friendliest Insulation
    Shop Sisalwool
  • Airtightness
    • All Airtight
      • Airtight Membranes
      • Airtight Tapes and Sealants
      • Expanding Tapes
      • Airtight Grommets
      • Liquid Airtight Membranes
    • Pro Clima
      • All Pro Clima
      • Pro Clima Tapes
      • Pro Clima Membranes
      • Pro Clima Sealants & Adhesives
      • Pro Clima Pipe & Cable Grommets
    • SIGA
      • All SIGA
      • SIGA Inside
      • SIGA Outside
      • SIGA Tapes
      • SIGA Membranes
    • Rothoblaas (New)
      • All Rothoblaas
      • Rothoblaas Tapes
      • Rothoblaas Membranes
      • Rothoblaas Sealants
      • Rothoblaas Accessories
    • Holz Technic (New)
      • All Holz Technic
      • Holz Technic Tapes
      • Holz Technic Membranes
      • Holz Technic Accessories
    Rothoblaas
    Meet our newest range of airtightness products.
    Shop Rothoblaas
    NEW
  • Building Boards
    • All Building Boards
      • Wood Wool Boards
      • Calcium Silicate Boards
      • Cement Boards
      • Fire Protection Boards
      • Render Carrier Boards
      • PVC Wall Panels
    CEWOOD
    Wood wool boards made from 100% natural materials
    Shop CEWOOD
    Perfect natural plasterboard replacement
  • Membranes
    • All Roofing & Membranes
      • Airtight & Windtight Membranes
      • Breather Membranes for use externally
      • Vapour Control Layer (VCL) for use internally
      • Roofing Underlay Membranes
      • Timber Frame Membranes
      • DPM (Damp Proof Membrane) Polythene Membranes
    • Ground Membranes
      • Geotextile
    3m Pro Clima Intello Plus - Vapour Check Membrane (50m) | Insulation Merchant
    Vapour Control Layers
    Shop our range of Vapour Control Layers (VCL).
    Shop now
    For use internally
    SIGA Majvest® 700 SOB - Open Facade Membrane (1.5m x 33.4m) | Insulation Merchant
    Breather Membranes
    Shop our range of Breather Membranes.
    Shop now
    For use externally
  • Renders & Plasters
    • All Renders & Plasters
      • Plasters
      • Renders
      • Render & Plaster Primers and Sealers
      • Render & Plaster Base Coats
      • Mortars & Adhesives
      • Hydraulic Lime
      • Fillers
    Pallet of 50 bags - ADAPTAVATE breathAplasta Universal (Natural Breathable Plaster) - 20Kg | Insulation Merchant
    Adaptavate
    Carbon-negative internal plasters.
    Shop now
    Baumit PremiumPrimer [Formerly DG27] (Internal Primer) - 5kg | Insulation Merchant
    Baumit PremiumPrimer
    Internal surface prep prior to plastering.
    View product
    20kg
  • Fixings & Accessories
    • Screw & Fixings
      • All Screws
      • Insulation Fixings
      • Flat Roof Fixings
      • Drywall Screws
      • Timber Screws
      • Metal Screws
      • Washers
      • Fixing Accessories
    • Accessories
      • All Accessories
      • Tools
      • Temporary Surface Protection Films
      • Adhesives, Sealants & Tapes
      • Insulation Netting
      • Loft Leg
      • Loft Ladders & Hatches
      • Metal Studs & Channels
    120mm Unilin (Xtratherm) Thin-R FR/MG Flat Roof - Single Board | Insulation Merchant
    Insulation Fixings
    Shop our range of insulation fixings for Flat Roofs.
    Shop now
    Bahco ProfCut Insulation Saw (PC-INS-22) - 550mm (22") | Insulation Merchant
    Insulation Saws
    BAHCO Insulation saws are perfect for cutting natural fibre insulation.
    Cut now!
    Saws & Sharpeners
  • Clearance
  • Shop by brand
  • Contact Us
  • Learn
  • Guernsey (GBP £)
  • Ireland (EUR €)
  • Isle of Man (GBP £)
  • Jersey (GBP £)
  • Jordan (GBP £)
  • Saudi Arabia (GBP £)
  • United Arab Emirates (GBP £)
  • United Kingdom (GBP £)
Log in
No account yet? Create Account
  • Facebook
  • Pinterest
  • Instagram
  • YouTube
  • LinkedIn
Insulation MerchantInsulation Merchant
  • Airtight & Windtight Systems
  • Natural Insulation
  • Hemp Insulation
  • Wood Fibre Insulation
  • Wood Wool Boards
  • Renders, Plasters & Mortars
  • Pro Clima Tescon Vana (Airtight Tape)

    Pro Clima Tescon Vana (Airtight Tape)

  • LOFT LEG XL Loft Flooring Legs - Raise Loft Boards by 300mm (12 per box) | Insulation Merchant

    LOFT LEG XL Loft Flooring Legs - Raise Loft Boards by 300mm (12 per box)

Most Popular Posts
Cavity Fire Protection: How to Slow the Spread of Fire blog by Insulation Merchant

Cavity Fire Protection: How to Slow the Spread of Fire

Man installing insulation into wall | Shush! A Guide to Acoustic Insulation | Insulation Merchant

Shush! A Guide to Acoustic Insulation

Navigating Your Self-Build Project Blog | Insulation Merchant

Navigating Your Self-Build Project

Cant find something?
We are here to help.
Contact us
  • Shop by brand
  • Contact Us
  • Learn
  • Glossary
  • Guernsey (GBP £)
  • Ireland (EUR €)
  • Isle of Man (GBP £)
  • Jersey (GBP £)
  • Jordan (GBP £)
  • Saudi Arabia (GBP £)
  • United Arab Emirates (GBP £)
  • United Kingdom (GBP £)
Log in Create Account
Cart
  • Insulation
    Insulation
    • All Insulation
    • Cavity Barriers
      • Expanding Cavity Barriers
      • ROCKWOOL® Cavity Barriers
    • Loft & Underfloor Insulation
      • Loft & Underfloor Insulation
      • Loft Legs
    • Glass Wool and Mineral Wool
      • Glass Wool and Mineral Wool
      • Glass Wool
      • Mineral Wool
      • Glass Mineral Wool
    • Aerogel
      • Spacetherm®
    • Foam Glass
      • Foam Glass Aggregate
      • Foam Glass Aggregate Floor Build-up
      • Foam Glass Slabs
    • Recycled Insulation
      • SupaSoft
    • Rigid Insulation Boards
      • PIR Board
      • Phenolic Foam Boards
      • Polystyrene
    • More
      • Technical Insulation
      • Fire Rated Insulation
      • Clearance
  • Natural Insulation
    Natural Insulation
    • All Natural Insulation
      • Wood Fibre Insulation
      • Hemp Insulation
      • Sheep's Wool
      • Wood Wool Boards
      • Sustainable Building
    • Wood Fibre Insulation
      • Wood Fibre Flexi Insulation
      • Wood Fibre Rigid Insulation
    • Sheep's Wool
      • Sisalwool
      • Sheep's Wool Roll Insulation
      • Sheep's Wool Slab Insulation
    • Hemp Insulation
      • All Hemp Insulation
      • IndiLoft®
      • IndiTherm®
    100mm STEICO Flex 036 - 575mm x 1190mm - PALLET OF 10 | Insulation Merchant
    STEICO
    Insulate naturally, with wood fibre.
    Shop STEICO
    100mm Sisaltech SISALWOOL™ 100 (1200x570mm) - Pack of 6 (4.104m²) | Insulation Merchant
    SISALWOOL™
    The World’s Friendliest Insulation
    Shop Sisalwool
  • Airtightness
    Airtight & Windtight solutions
    • All Airtight
      • Airtight Membranes
      • Airtight Tapes and Sealants
      • Expanding Tapes
      • Airtight Grommets
      • Liquid Airtight Membranes
    • Pro Clima
      • All Pro Clima
      • Pro Clima Tapes
      • Pro Clima Membranes
      • Pro Clima Sealants & Adhesives
      • Pro Clima Pipe & Cable Grommets
    • SIGA
      • All SIGA
      • SIGA Inside
      • SIGA Outside
      • SIGA Tapes
      • SIGA Membranes
    • Rothoblaas New
      • All Rothoblaas
      • Rothoblaas Tapes
      • Rothoblaas Membranes
      • Rothoblaas Sealants
      • Rothoblaas Accessories
    • Holz Technic New
      • All Holz Technic
      • Holz Technic Tapes
      • Holz Technic Membranes
      • Holz Technic Accessories
    Rothoblaas
    Meet our newest range of airtightness products.
    Shop Rothoblaas
    NEW
  • Building Boards
    Building Boards
    • All Building Boards
      • Wood Wool Boards
      • Calcium Silicate Boards
      • Cement Boards
      • Fire Protection Boards
      • Render Carrier Boards
      • PVC Wall Panels
    CEWOOD
    Wood wool boards made from 100% natural materials
    Shop CEWOOD
    Perfect natural plasterboard replacement
  • Membranes
    Membranes
    • All Roofing & Membranes
      • Airtight & Windtight Membranes
      • Breather Membranes for use externally
      • Vapour Control Layer (VCL) for use internally
      • Roofing Underlay Membranes
      • Timber Frame Membranes
      • DPM (Damp Proof Membrane) Polythene Membranes
    • Ground Membranes
      • Geotextile
    3m Pro Clima Intello Plus - Vapour Check Membrane (50m) | Insulation Merchant
    Vapour Control Layers
    Shop our range of Vapour Control Layers (VCL).
    Shop now
    For use internally
    SIGA Majvest® 700 SOB - Open Facade Membrane (1.5m x 33.4m) | Insulation Merchant
    Breather Membranes
    Shop our range of Breather Membranes.
    Shop now
    For use externally
  • Renders & Plasters
    Renders & Plasters
    • All Renders & Plasters
      • Plasters
      • Renders
      • Render & Plaster Primers and Sealers
      • Render & Plaster Base Coats
      • Mortars & Adhesives
      • Hydraulic Lime
      • Fillers
    Pallet of 50 bags - ADAPTAVATE breathAplasta Universal (Natural Breathable Plaster) - 20Kg | Insulation Merchant
    Adaptavate
    Carbon-negative internal plasters.
    Shop now
    Baumit PremiumPrimer [Formerly DG27] (Internal Primer) - 5kg | Insulation Merchant
    Baumit PremiumPrimer
    Internal surface prep prior to plastering.
    View product
    20kg
  • Fixings & Accessories
    Screws, Fixings & Accessories
    • Screw & Fixings
      • All Screws
      • Insulation Fixings
      • Flat Roof Fixings
      • Drywall Screws
      • Timber Screws
      • Metal Screws
      • Washers
      • Fixing Accessories
    • Accessories
      • All Accessories
      • Tools
      • Temporary Surface Protection Films
      • Adhesives, Sealants & Tapes
      • Insulation Netting
      • Loft Leg
      • Loft Ladders & Hatches
      • Metal Studs & Channels
    120mm Unilin (Xtratherm) Thin-R FR/MG Flat Roof - Single Board | Insulation Merchant
    Insulation Fixings
    Shop our range of insulation fixings for Flat Roofs.
    Shop now
    Bahco ProfCut Insulation Saw (PC-INS-22) - 550mm (22") | Insulation Merchant
    Insulation Saws
    BAHCO Insulation saws are perfect for cutting natural fibre insulation.
    Cut now!
    Saws & Sharpeners
  • Clearance

Wherever possible, we will Price Match.

Interested in a Trade Account?

Hold stock of most product lines.

Home
Collections

Collections

  • 100mm Thermafleece CosyWool Sheep Wool (2 x 570mm rolls) | Insulation Merchant

    CosyWool

  • Bahco ProfCut Insulation Saw (PC-INS-22) - 550mm (22") | Insulation Merchant

    Cutting Tools

  • TIMCO Toughsheet Damp Proof Membrane (DPM) Handy Pack - 4m x 5m (250 microns) | Insulation Merchant

    DPM (Damp Proof Membrane) Polythene Membranes

  • Dacatie SF Multicloser 150 Insulated Cavity Closer - 2.4m

    Dacatie

  • Delta MS 500 – Cavity Drain Membrane - 2 x 20m | Insulation Merchant

    Delta Membranes

  • 4.5 x 50mm TIMCO Classic Multi-Purpose Screws (A2 Stainless Steel) Countersunk - Box of 200 (Loose) | Insulation Merchant

    Drywall Screws

  • DuPont™ AirGuard® Tape - 25m x 60mm | Insulation Merchant

    DuPont - Performance Building Solutions

  • Dupre Micafil Vermiculite Granules - 100L Bag | Insulation Merchant

    Dupre Minerals

  • 150mm Unilin ECO360 MA Roof Bio-enhanced PIR Insulation - 2400 x 1200mm | Insulation Merchant

    ECO360

  • 60mm EJOT IT/S 5/60 Insulation Washers - Box of 100 | Insulation Merchant

    EJOT

  • 70mm EJOT Dabo TKR 4.8 Timber Fix Screw - Box of 100 | Insulation Merchant

    EJOT Construction Screws

  •  EJOT ejotherm STR H Timber Fix Screw With Washer | Insulation Merchant

    EJOT Fixing + Washer Combos

  • EJOT HTK 2G 50 (15mm) + TKR 4.8 (80mm) Pre-assembled screw and washer (95mm) - box of 100 | Insulation Merchant

    EJOT HTK + TKR Combo

  • 60mm EJOT IT/S 5/60 Insulation Washers - Box of 100 | Insulation Merchant

    EJOT Washers

  •  EJOT ejotherm STR H Timber Fix Screw With Washer | Insulation Merchant

    Engineered Timber Screws

  • ENVIROGRAF CV30/6 Flexible Strip Cavity Barrier - 2m x 30mm x 6mm (50-60mm Gap) | Insulation Merchant

    Envirograf

  • 32mm (Loose) EVOLUTION Coarse Thread Drywall Screw - Box of 1,000 | Insulation Merchant

    Evolution Fasteners

  • ENVIROGRAF CV30/6 Flexible Strip Cavity Barrier - 2m x 30mm x 6mm (50-60mm Gap) | Insulation Merchant

    Expanding Cavity Barriers

  • Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 5-10mm (Roll 20mm x 5.6m) | Insulation Merchant

    Expanding Tapes

  • 40mm STEICO Flex 036 - 375mm x 1190mm (4.463m² / 10 per pack) | Insulation Merchant

    External Walls - COP26

  • FAKRO LWT Passive House Wooden Loft Ladder | Insulation Merchant

    Fakro

  • Pro Clima Tescon Vana (Airtight Tape)

    Featured

  • Felt Products Green Vapour Control Layer (Vapour Barrier) - 50m x 4m | Insulation Merchant

    Felt Products

  • Fibrolith

    Fibrolith

  • 1
  • 2
  • 3
  • 4
  • 5
  • …
  • 14
Insulation Merchant
Insulation Merchant

Account

  • My Account
  • Register for an Account
  • My Quote

Account

  • My Account
  • Register for an Account
  • My Quote

Support

  • Learn
  • Shop by Brand
  • Calculators
  • Contact Us & Support
  • Glossary & Technical terms
  • £ Price Changes

Support

  • Learn
  • Shop by Brand
  • Calculators
  • Contact Us & Support
  • Glossary & Technical terms
  • £ Price Changes

Policies

  • Shipping & Returns Policy
  • Privacy Policy
  • Terms of Service

Policies

  • Shipping & Returns Policy
  • Privacy Policy
  • Terms of Service

Call us

01786 657911

We're open 7.30am to 5pm

Monday to Friday

Ultimate Insulation Supplies Ltd

Unit 3 24 Munro Road

Springkerse Industrial Estate

Stirling FK7 7UU

what3words: ///radiates.webcams.dramatic
  • Guernsey (GBP £)
  • Ireland (EUR €)
  • Isle of Man (GBP £)
  • Jersey (GBP £)
  • Jordan (GBP £)
  • Saudi Arabia (GBP £)
  • United Arab Emirates (GBP £)
  • United Kingdom (GBP £)
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
Follow Us:
  • Facebook
  • Pinterest
  • Instagram
  • YouTube
  • LinkedIn

Don't miss out!

© Copyright 2025 Ultimate Insulation Supplies Ltd trading as Insulation Merchant | All Rights Reserved. Registered in Scotland SC427626 | VAT Registration No. 138 3712 12 | Developed in-house by the Ultimate Group.
Insulation_Merchant_V2.2.1

Cart

0 items

Your cart is empty

Shop Now

Loading...

Subtotal:

£0.00

VAT included. Shipping calculated at checkout.
Go to Cart
  • Choosing a selection results in a full page refresh.