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Wall Insulation

Wall Insulation

 

Introduction

Masonry cavity walls comprise of an outer skin of brick or blockwork, and an inner skin of masonry. In new buildings, the inner skin is usually blockwork. Between the two masonry leafs is an air cavity, into which thermal insulation is installed to meet building performance targets. A partial fill cavity features rigid insulation boards secured to the inner leaf masonry, leaving an air cavity behind the outer leaf.

Partial fill external walls can contribute to a whole-building solution that meets the energy efficiency target for new-build construction. They are particularly well suited to extensions of existing buildings, where the U-value targets tend to be less onerous

 

High performance, partial fill insulation offers the following benefits:

  1. Easy to fit between wall ties using cavity tie clips for retention.
  2. Reliable long-term energy savings for buildings.
  3. Low emissivity foil facers improve thermal performance of air cavity.
  4. Excellent dimensional stability.

What products are suitable as partial fill cavity insulation?

Offered specifically for partial fill cavity wall applications, Celotex CW4000 is sized specifically to fit standard wall tie spacing requirements. No cutting is required, so it can be installed quickly and easily as the brick and blockwork courses progress.


WHY IS PARTIAL FILL CAVITY CONSTRUCTION SO COMMON ?

Using rigid insulation boards in conjunction with a minimum 50mm air cavity is a tried and tested solution familiar to designers, specifiers, contractors and building inspectors alike. It is a popular method for constructing external walls in the UK, and has been used on building sites for the last hundred years.

The clear cavity between the outer leaf and the insulation acts as a barrier to external moisture, stopping it from reaching the inside of the building. Most commonly, the outer skin of the cavity wall is constructed from brick. Blockwork is also used, clad or rendered to provide the desired finish.

Wall Insulation

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100mm recticel eurothane GP PIR board

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£46.50 EX
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£55.80 INC VAT

Recticel Eurothane GP PIR BoardEurothane® GP is a high performance PIR insulation board that is light weight, easy to cut, handle and install. Whether it’s a pitched roof, framed wall or floor, Eurothane® GP is the ideal solution amongst contractors and installer.Eurothane GP will not degrade or deteriorate due to moisture and therefore m..

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100mm Recticel Eurowall Partial Fill Cavity Wall

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100mm Quinn Therm Roofs Pir Insulation 2400x1200mm100mm Quinn Therm Roofs Pir Insulation 2400x1200mm is high performance, fibre free board, with a rigid thermoset insulation core faced on both sides with a low emissivity composite foil facing.These low emissivity facings increases its thermal resistance of unventilated air space adjacent to the ins..

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100mm Rockwool Rainscreen Duo Slab For Walls (34.56m2 Pallet)

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£679.43 EX
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£815.32 INC VAT

100mm Recticel Powerdeck U PIR Insulation Board For Flat Roof - pack/5Easy to install flat roof insulation board suitable for torch-on felt.100mm Recticel Powerdeck U PIR Insulation Board For Flat Roof - pack/5 is a high performance rigid PIR insulation board for use in warm flat roofs with bituminous torch-on felt waterproofing systems. Its o..

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100mm Rockwool RW5 Universal Insulation Slab (pack-2)

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100mm Recticel Powerdeck U PIR Insulation Board For Flat Roof - pack/5Easy to install flat roof insulation board suitable for torch-on felt.100mm Recticel Powerdeck U PIR Insulation Board For Flat Roof - pack/5 is a high performance rigid PIR insulation board for use in warm flat roofs with bituminous torch-on felt waterproofing systems. Its o..

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100mm Soprema XPS SL Rigid Thermal Insulation Board ( pack/4 )

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100mm Soprema XPS SL Rigid Thermal Insulation Board100mm Soprema XPS SL Rigid Thermal Insulation Board is used in Floor Insulating applications and boasts a moisture absorption of around only 2% after long term use due to immersion, diffusion or freeze-thaw resistance. The benefits of the sheets are they can withstand heavy loads on top and are lig..

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100mm Styrodur 3000 CS Extruded Polystyrene Board ( Pack of 4 )

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100mm Recticel Powerdeck U PIR Insulation Board For Flat Roof - pack/5Easy to install flat roof insulation board suitable for torch-on felt.100mm Recticel Powerdeck U PIR Insulation Board For Flat Roof - pack/5 is a high performance rigid PIR insulation board for use in warm flat roofs with bituminous torch-on felt waterproofing systems. Its o..

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100mm Superglass Multi Acoustic Roll Mineral wool Insulation

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100mm Superglass Multi Acoustic Roll Mineral wool InsulationSuperglass Multi Acoustic Roll is a lightweight, non-combustible glass mineral wool insulation roll. The flexible roll is perforated at 2x600mm and 3x400mm widths to allow easy installation between common stud/joist spacings and minimum on-site cutting and waste. Manufactured at a minimum ..

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100mm Thermafleece Cosywool Sheep Wool Flexi Slab 1200mmx390mm (Pack/21)

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100mm Superglass Multi Acoustic Roll Mineral wool InsulationSuperglass Multi Acoustic Roll is a lightweight, non-combustible glass mineral wool insulation roll. The flexible roll is perforated at 2x600mm and 3x400mm widths to allow easy installation between common stud/joist spacings and minimum on-site cutting and waste. Manufactured at a minimum ..

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100mm Thermafleece Cosywool Sheep Wool Flexi Slab 1200mmx590mm (Pack/14)

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100mm Superglass Multi Acoustic Roll Mineral wool InsulationSuperglass Multi Acoustic Roll is a lightweight, non-combustible glass mineral wool insulation roll. The flexible roll is perforated at 2x600mm and 3x400mm widths to allow easy installation between common stud/joist spacings and minimum on-site cutting and waste. Manufactured at a minimum ..

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100mm Thermafleece CosyWool Sheep Wool Roll (6.5mx370mm pack of 3)

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100mm Thermafleece CosyWool Sheep Wool Roll (6.5mx370mm pack of 3)  Rich in British sheep's wool - easy to install between and over joists, ideal for floors and lofts100mm Thermafleece CosyWool Sheep wool roll (6.5mx370mm pack of 3) is versatile insulation rich in British sheeps wool and is the ideal choice if you are looking for all roun..

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100mm Thermafleece CosyWool Sheep Wool Roll (6.5mx570mm pack of 2)

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100mm Thermafleece CosyWool Sheep Wool Roll (6.5mx570mm pack of 2)  Rich in British sheep's wool - easy to install between and over joists, ideal for floors and lofts100mm Thermafleece CosyWool Sheep wool roll (6.5mx570mm pack of 2) is versatile insulation rich in British sheeps wool and is the ideal choice if you are looking for all roun..

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100mm URSA 10 Loft Insulation Roll

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100mm URSA 10 Loft Insulation RollURSA 10 Loft Roll is a lightweight, non-combustible, unfaced glass mineral wool product for use as loft insulation in cold pitched roofs.Thickness: 100, 150, 200mmWidth: 1140mm (2 x 570mm wide rolls)Roll Length: 9.50mRoll Coverage: 10.83m2Density: 22kg/m3Weight: 10.83kgThermal Conductivity: 0.044W/mKTherm..

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100mm URSA 35 Cavity Batt For Mansonry Walls (5-Pack)

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100mm URSA 35 Cavity Batt For Mansonry Walls (5-Pack)Insulation for Masonry Cavity WallsURSA Cavity Batt is a lightweight, semi rigid glass mineral wool slab treated with silicon based water repellent additive. It is suitable for use in both fully and partially filled masonry cavity walls up to 25m high.Technical informationThickness: 75,..

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100mm URSA Acoustic Insulation Roll

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100mm URSA Acoustic Insulation RollURSA Acoustic Roll is a lightweight, non-combustible, unfaced glass mineral wool product for use as an acoustic insulation in timber or metal framed internal partition walls, timber or metal framed separating walls and timber separating floors.URSA Acoustic Roll – either 1200mm wide or split into 2 x 600mm wide ro..

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100mm URSA Hometec 40 Cladding Insulation Roll

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100mm URSA Hometec 40 Cladding Insulation RollPitched roofs, External walls, Twin skin metal cladding100mm URSA HOMETEC Cladding Rolls are lightweight, unfaced glass wool rolls for use in twin skin metal cladding systems.Product DetailsThickness: 60mm, 80mm, 100mm, 120mm, 140mm, 160mm, 170mm, 180mm, 200mm, 220mm, 240mm, 260mm, 280mm, 300mmWidth(mm)..

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