Loft Insulation

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  1. Thermafleece "Original" Sheep's Wool Insulation 1

    Thermafleece Original Sheep's Wool Insulation, NOW REPLACED BY COSY WOOL SLABS


    Out of stock

    Thermafleece Original has been discontinued and has been replaced by Cosy Wool Slabs, these are slightly denser and come in a broader range of sizes.

    Please click here to go to the Cosy Wool Slab Page

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  2. Thermafleece NatraHemp Natural Hemp Insulation Batts 1

    Thermafleece NatraHemp Natural Hemp Insulation Batts

    Regular Price: £133.24

    Special Price £126.58

    Hemp is a fast-growing, low-impact plant crop that produces fine fibres suitable for insulation.  Thermafleece NatraHemp is a medium density insulation rich in home-grown hemp fibres and is a safe, efficient and durable alternative when plant fibre is the preferred choice.

    Thermafleece NatraHemp fits securely between rafters, joists and studs providing excellent thermal insulation performance. What’s more, with a density of 25 kg/m3, Thermafleece NatraHemp can provide good acoustic insulation in a variety of systems.

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  3. Steico Therm Internal T&G

    Steico Therm (T&G) Internal - Wood Fibre Insulation Board

    Steico Therm Rigid insulation board T&G edged is made from natural wood fibres. The tongue and groove edge adds the following advantages over the square edge board.

    1. Easier to fix to studs and rafters with an OSB backer board
    2. Quicker and easier to install
    3. Improves airtightness 
    4. Improved joint strength
    5. Less likely to leave gaps when installing

    Steico Therm Rigid insulation board T&G edged is normally used for internal renovations where the structure is built on studs (timber frame or a stud sub frame).  Using the T&G profile for stud applications helps minimise potential cracking of the plaster coat the T&G profile locks the boards together, effectively supporting the joints but the use of an OSB backer board is recommended.

    Like the square edge board Steico Therm T&G is suitable for wall and roof applications it can also be used as sub screed insulation (please ask us for technical guidance for sub screed use)

    Easy and fast fixing wood fibre board with superior insulating properties in both summer and winter. High compressive strength, water vapour open (helps regulate the indoor climate of a building) & fire resistant.

    The board has a light side (machine sanded in the factory) and a darker unsanded side, the lighter side is the plaster carrying face.

    FSC® accredited, ecologically friendly, recyclable.

    1200mm  x 380mm, each board covers 0.434m2

    Price is per board

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  4. Thermofloc Loose Fill Cellulose Insulation 12kg

    Thermofloc Loose Fill Cellulose Insulation 12kg


    100% recycled newspaper celloluse insulation

    Replaces Warmcel 100 - similar specification, cheaper price.

    Thermofloc is a loose cellulose insulation made from recycled newspaper combined with a mineral fire retardant that offers a sustainable and cost effective way to insulate horizontal surfaces such as lofts or floors.

    Thermofloc is an excellent replacement for Warmcel 100. With an installed density of 40kg/m3 Thermofloc has a high thermal performance and also helps with sound reduction.

    Thermofloc is available in 12kg bags and the material is simply broken up into a light fluffy consistency and spread evenly to achieve the desired thickness. No protective clothing is required to install, but we recommend wearing a dust mask in confined spaces.


    Price is per 12kg bag - 25 bags per pallet

    Allow 4kg per m2 per 100mm depth

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  5. Steico Top 5

    Steico Top Loft Insulating Board 100mm (Pallet)


    About the easiest, safest and most effective loft insulation board on the market. No chemicals, does not irritate the skin, recyclable, vapour open and thermally efficient, Steico Top insulates and allows storage and light footfall once installed.

    FACT Installing 100mm of Steico Top over a standard loft board (non- insulating) will offer improvements of over 80% in the insulating capacity of the roof. This will SAVE YOU MONEY

    Steico Top is a stable eco friendly rigid thermal board that is suitable for light footfall, when laid on top of loft boards. 100mm in depth and laid one of top of another with a staggered joint, this system allows for the recommended government depth of insulation of a minimum of 300mm.

    Board measures 100mm x 1200mm x 400mm each board weighs 6.7 kgs and covers 0.48mat 14kgs per m2 there are 22 boards per pallet. Each full pallet covers 10.56m2

    Price is per Pallet of 22 boards

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  6. Wellhofer Attic Hatch and Ladder

    Wellhofer Attic Hatch and Ladder


    Pre-sealed and pre-insulated for airtightness ideal for specification on Passive House and low energy construction.

    • Overall U Value: 0.78W/m2k
    • Supplied with architraves for superior finish.
    • Draught excluder contained in casing and trapdoor, with 70mm insulation preventing heat loss and air leakage.
    • Air sealing - Class 4.

    Manufactured and engineered in Germany and has been tested to stringent DIN standards to comply with airtightness and insulation requirements. The Wellhofer hatch remains airtight even under blower door test conditions.

    •  An airtight seal of the door itself is maintained by means of a pre-stressed spring which ensures the door remains airtight, even when a blower doortest is carried out.
    • The gap between the door and the hatch is sealed with a rubber gasket.
    • This durable seal has been tested against ageing.
    • An Airtight sealing system ensures that no air leakage occurs between the gap between ceiling and frame. This is due to the double sided adhesive tape and Insulation strip.
    • Includes a pre-insulated layer.
    • Comes complete with ladder.
     Price includes
    • Wellhofer Certified Airtight Attic Hatch - Size  Hatch 1200 x 600mm
    • Insulated Door
    • 3 section wooden ladder
    • PVC Architraves
    • Ladder – Floor to Ceiling Height 2850mm


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