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Insulation
- All Insulation
- Loft & Underfloor Insulation
  
  Loft & Underfloor Insulation
  Loft Legs
- Glass Wool and Mineral Wool
  
  Glass Wool and Mineral Wool
  Glass Wool
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  Glass Mineral Wool
- Aerogel
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- Recycled Insulation
- Rigid Insulation Boards
  
  PIR Board
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- Technical 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
  
  Sheep's Wool Roll Insulation
  Sheep's Wool Slab Insulation
STEICO

Saves CO2, Stores CO2
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Insulate naturally, with wood fibre

IndiNature

Hemp insulation, grown and made in Great Britain.
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Airtightness
- All Airtight
  
  Airtight Membranes
  Airtight Tapes and Sealants
  Expanding Tapes
  Airtight Grommets
  Liquid Airtight Membranes
- Pro Clima
  
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  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
Pro Clima

Innovative ideas for tomorrow's buildings.
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SIGA

We strive for a world of zero energy loss buildings
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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
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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
Vapour Control Layers

Shop our range of Vapour Control Layers (VCL).
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For use internally

Breather Membranes

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For use externally
Renders & Plasters
- All Renders & Plasters
  
  Plasters
  Renders
  Render & Plaster Primers and Sealers
  Render & Plaster Base Coats
  Mortars & Adhesives
  Hydraulic Lime
  Fillers
Adaptavate

Carbon-negative internal plasters.
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Baumit PremiumPrimer

Internal surface prep prior to plastering.
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20kg
Fixings & Accessories
- Screw & Fixings
  
  All Screws
  Insulation Fixings
  Flat Roof Fixings
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  Washers
  Fixing Accessories
- Accessories
  
  All Accessories
  Tools
  Temporary Surface Protection Films
  Adhesives, Sealants & Tapes
  Insulation Netting
  Loft Leg
  Loft Ladders & Hatches
Insulation Fixings

Shop our range of insulation fixings for Flat Roofs.
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Insulation Saws

BAHCO Insulation saws are perfect for cutting natural fibre insulation.
Cut now!

Saws & Sharpeners
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Airtight & Windtight Systems
Natural Insulation
Hemp Insulation
Wood Fibre Insulation
Wood Wool Boards
Renders, Plasters & Mortars

60mm Pro Clima Tescon Vana - Airtight Tape (30m)
LOFT LEG XL Loft Flooring Legs - Raise Loft Boards by 300mm (12 per box)

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Insulation
- All Insulation
- Loft & Underfloor Insulation
  - Loft & Underfloor Insulation
  - Loft Legs
- Glass Wool and Mineral Wool
- Aerogel
- Foam Glass
- Fire Rated Insulation
- Recycled Insulation
- Rigid Insulation Boards
- Technical Insulation
Natural Insulation
Natural Insulation
STEICO

Saves CO2, Stores CO2
Shop STEICO

Insulate naturally, with wood fibre

IndiNature

Hemp insulation, grown and made in Great Britain.
Shop IndiNature
Airtightness
Airtight & Windtight solutions
Pro Clima

Innovative ideas for tomorrow's buildings.
Shop Pro Clima

SIGA

We strive for a world of zero energy loss buildings
Shop SIGA
Building Boards
Building Boards
- All Building Boards
CEWOOD

Wood wool boards made from 100% natural materials
Shop CEWOOD

Perfect natural plasterboard replacement
Membranes
Membranes
- All Roofing & Membranes
Vapour Control Layers

Shop our range of Vapour Control Layers (VCL).
Shop now

For use internally

Breather Membranes

Shop our range of Breather Membranes.
Shop now

For use externally
Renders & Plasters
Renders & Plasters
- All Renders & Plasters
Adaptavate

Carbon-negative internal plasters.
Shop now

Baumit PremiumPrimer

Internal surface prep prior to plastering.
View product

20kg
Fixings & Accessories
Screws, Fixings & Accessories
- Screw & Fixings
- Accessories
Insulation Fixings

Shop our range of insulation fixings for Flat Roofs.
Shop now

Insulation Saws

BAHCO Insulation saws are perfect for cutting natural fibre insulation.
Cut now!

Saws & Sharpeners

Order helpline:

01786 657 911 | Open Mon-Fri 7.30am-5pm

Wherever possible, we will Price Match.

Autumn Offers

Hold stock of most product lines.

Mineral Wool Batts/Slabs

Collection: Mineral Wool Batts/Slabs

25mm_Rockwool_RWA45_Acoustic_Thermal_Insulation_Slabs_-_600mm_x_1200mm_Insulation_Merchant

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Showing 45 of 45 products

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Rockwool (45)

Product type

Fire (2)
Glass and Mineral Wool (43)

Thickness

100mm (2.16m² / 3 per pack) (1)
110mm (2.16m² / 3 per pack) (1)
200mm (1.44m² / 2 per pack) (1)
60mm (4.32m² / 6 per pack) (1)
80mm (2.88m² / 4 per pack) (1)
90mm (2.88m² / 4 per pack) (1)

Thermal Conductivity

0.034 (5)
0.035 (3)
0.037 (5)
0.038 (2)
0.039 (1)

Price

Price: 0 – £126.70

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Showing 45 of 45 products

Brand

Rockwool (45)

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Product type

Fire (2)
Glass and Mineral Wool (43)

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Thickness

100mm (2.16m² / 3 per pack) (1)
110mm (2.16m² / 3 per pack) (1)
200mm (1.44m² / 2 per pack) (1)
60mm (4.32m² / 6 per pack) (1)
80mm (2.88m² / 4 per pack) (1)
90mm (2.88m² / 4 per pack) (1)

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Thermal Conductivity

0.034 (5)
0.035 (3)
0.037 (5)
0.038 (2)
0.039 (1)

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Showing 45 of 45 products

30mm Rockwool RW3

RW3 by Rockwool
Translation missing: en.products.product.sku:RW/RW3-30
30mm Rockwool RW3

£ Looking for a price?

Add to a quote for our best rate.
75mm Rockwool RW5

RW5 by Rockwool
Translation missing: en.products.product.sku:RW/RW5-75
75mm Rockwool RW5

Regular price

£44.90

Ex-Vat Price

£37.42 ex. VAT

Sale price

£44.90

Regular price

you save £-44.90

Ex-VAT Price

£37.42 ex. VAT

Regular price

~~£0.00~~ you save £-37.42

Unit price

per
25mm Rockwool RW5

RW5 by Rockwool
Translation missing: en.products.product.sku:RW/RW5-25
25mm Rockwool RW5

£ Looking for a price?

Add to a quote for our best rate.
100mm Rockwool Full Fill Cavity Batts - 1200x455mm

FULL FILL CAVITY BATTS by Rockwool
Translation missing: en.products.product.sku:RW/FFCB-100
100mm Rockwool Full Fill Cavity Batts - 1200x455mm

£ Looking for a price?

Add to a quote for our best rate.
50mm Rockwool Full Fill Cavity Batts - 1200x455mm

FULL FILL CAVITY BATTS by Rockwool
Translation missing: en.products.product.sku:RW/FFCB-50
50mm Rockwool Full Fill Cavity Batts - 1200x455mm

£ Looking for a price?

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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

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© Copyright 2024 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.

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