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Insulation 100mm

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Expanded polystyrene foam - polystyrene,

Expanded polystyrene foam - polystyrene,

£338.00 · Buy It Now

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Pir insulation board - pir,

Pir insulation board - pir,

£187.95 · Buy It Now

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Rockwool acoustic slab - acoustic,

Rockwool acoustic slab - acoustic,

£72.77 · Buy It Now

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Isover acoustic partition roll - isover,

Isover acoustic partition roll - isover,

£26.70 · Buy It Now

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Aluminium foil tape insulation - foil,

Aluminium foil tape insulation - foil,

£255.98 · Buy It Now

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Celotex kingspan pir - celotex,

Celotex kingspan pir - celotex,

£382.19 · Buy It Now

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Expanded polystyrene eps70 - polystyrene,

Expanded polystyrene eps70 - polystyrene,

£975.00 · Buy It Now

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Loft insulation roll roof - roll,

Loft insulation roll roof - roll,

£31.59 · Buy It Now

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Closed cell - 2m, x

Closed cell - 2m, x

£235.98 · Buy It Now

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100mm plastic round ducting - 100mm,

100mm plastic round ducting - 100mm,

£1000.00 · Buy It Now

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Expanded polystyrene eps70 - expanded,

Expanded polystyrene eps70 - expanded,

£324.00 · Buy It Now

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Kapton polyimide tape - kapton, heat

Kapton polyimide tape - kapton, heat

£149.99 · Buy It Now

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Rockwool rwa45 100mm acoustic - rockwool,

Rockwool rwa45 100mm acoustic - rockwool,

£300.00 · Buy It Now

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100 100mm thick ceiling - x,

100 100mm thick ceiling - x,

£349.99 · Buy It Now

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Rockwool rwa45 acoustic sound - rockwool,

Rockwool rwa45 acoustic sound - rockwool,

£288.00 · Buy It Now

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Foamglas perinsul - foamglas, hl

Foamglas perinsul - foamglas, hl

£120.00 · Buy It Now

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Celotex kingspan 2400mm - kingspan,

Celotex kingspan 2400mm - kingspan,

£199.00 · Buy It Now

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Kapton polyimide tape - polyimide,

Kapton polyimide tape - polyimide,

£131.99 · Buy It Now

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Kingspan thermawall multi - kingspan,

Kingspan thermawall multi - kingspan,

£89.99 · Buy It Now

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Universal plastic wall - plastic,

Universal plastic wall - plastic,

£6.21 · Buy It Now

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Closed cell high density - closed,

Closed cell high density - closed,

£128.98 · Buy It Now

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Polystyrene insulation eps70 - polystyrene,

Polystyrene insulation eps70 - polystyrene,

£360.00 · Buy It Now

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Xtratherm kingspan celotex - xtratherm,

Xtratherm kingspan celotex - xtratherm,

£71.28 · Buy It Now

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Loft insulation roll floor

Loft insulation roll floor

£249.99 · Buy It Now

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Rockwool acoustic sound - acoustic,

Rockwool acoustic sound - acoustic,

£345.00 · Buy It Now

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Rockwool rwa45 acoustic - rockwool,

Rockwool rwa45 acoustic - rockwool,

£61.95 · Buy It Now

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Rockwool acoustic thermal - rockwool,

Rockwool acoustic thermal - rockwool,

£340.00 · Buy It Now

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Ecofleece thermo insulation - thermo,

Ecofleece thermo insulation - thermo,

£33.99 · Buy It Now

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Ursa terra loft - ursa,

Ursa terra loft - ursa,

£70.00 · Buy It Now

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Loft roll insulation 100mm - roll,

Loft roll insulation 100mm - roll,

£192.92 · Buy It Now

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Dritherm cavity insulation - cavity,

Dritherm cavity insulation - cavity,

£26.70 · Buy It Now

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Rockwool sound insulation - insulation, slab

Rockwool sound insulation - insulation, slab

£63.10 · Buy It Now

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Cavity closers multi width - cavity,

Cavity closers multi width - cavity,

£66.99 · Buy It Now

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Kapton polyimide tape - kapton, heat

Kapton polyimide tape - kapton, heat

£167.99 · Buy It Now

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Isover acoustic partition roll - acoustic,

Isover acoustic partition roll - acoustic,

£74.95 · Buy It Now

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Sheets foamglas 100mm - sheets,

Sheets foamglas 100mm - sheets,

£179.00 · Buy It Now

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Kapton polyimide tape heat - polyimide,

Kapton polyimide tape heat - polyimide,

£167.99 · Buy It Now

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Rockwool thermal insulation - thermal,

Rockwool thermal insulation - thermal,

£88.18 · Buy It Now

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Three 100mm 10cm - 10cm, jablite

Three 100mm 10cm - 10cm, jablite

£70.00 · Buy It Now

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Rockwool 100mm rwa45 acoustic - rockwool,

Rockwool 100mm rwa45 acoustic - rockwool,

£64.99 · Buy It Now

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Celotex kingspan pir - kingspan,

Celotex kingspan pir - kingspan,

£874.86 · Buy It Now

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Kapton polyimide tape - polyimide, heat

Kapton polyimide tape - polyimide, heat

£102.78 · Buy It Now

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Universal insulation anchor

Universal insulation anchor

£7.99 · Buy It Now

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Aluminium foil tape - foil, insulation

Aluminium foil tape - foil, insulation

£24.99 · Buy It Now

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Rockwool acoustic thermal - rockwool,

Rockwool acoustic thermal - rockwool,

£156.00 · Buy It Now

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Celotex kingspan pir - kingspan,

Celotex kingspan pir - kingspan,

£451.05 · Buy It Now

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Loft roll attic insulation - loft,

Loft roll attic insulation - loft,

£45.94 · Buy It Now

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Superglass loft roll - superglass,

Superglass loft roll - superglass,

£42.50 · Buy It Now

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Kapton polyimide tape - kapton,

Kapton polyimide tape - kapton,

£61.16 · Buy It Now

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100mm ecoloft non - ecoloft,

100mm ecoloft non - ecoloft,

£47.50 · Buy It Now

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Insulated cavity closer 2m - insulated,

Insulated cavity closer 2m - insulated,

£29.95 · Buy It Now

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100mm ecoloft non itch - 100mm,

100mm ecoloft non itch - 100mm,

£84.99 · Buy It Now

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Recticel rigid pir insulation - rigid,

Recticel rigid pir insulation - rigid,

£66.00 · Buy It Now

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Solid neoprene rubber - solid, strip

Solid neoprene rubber - solid, strip

£70.00 · Buy It Now

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White foam packing sheets all - white,

White foam packing sheets all - white,

£228.00 · Buy It Now

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Underfloor heating retro edge - heating,

Underfloor heating retro edge - heating,

£15.50 · Buy It Now

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Premium recycled plastic van - premium,

Premium recycled plastic van - premium,

£29.99 · Buy It Now

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Aluminium foil tape rolls - foil,

Aluminium foil tape rolls - foil,

£10.95 · Buy It Now

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Knauf loft insulation roll - loft,

Knauf loft insulation roll - loft,

£499.99 · Buy It Now

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Wrap around universal wool - wrap,

Wrap around universal wool - wrap,

£7.89 · Buy It Now

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Dritherm glass fibre cavity - dritherm,

Dritherm glass fibre cavity - dritherm,

£296.00 · Buy It Now

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Aluminium foil tape - tape, 50m

Aluminium foil tape - tape, 50m

£12.99 · Buy It Now

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Insulation anchor cob fixing

Insulation anchor cob fixing

£8.68 · Buy It Now

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Self adhesive acoustic - self-adhesive,

Self adhesive acoustic - self-adhesive,

£3.99 · Buy It Now

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Rockwool acoustic thermal - acoustic,

Rockwool acoustic thermal - acoustic,

£340.00 · Buy It Now

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Rockwool 100mm acoustic - 100mm,

Rockwool 100mm acoustic - 100mm,

£64.90 · Buy It Now

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10mm 150mm ceresit grey - [10mm, to

10mm 150mm ceresit grey - [10mm, to

£67.50 · Buy It Now

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Foamglas perinsul - , hl

Foamglas perinsul - , hl

£20.43 · Buy It Now

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Ursa terra loft insulation - terra,

Ursa terra loft insulation - terra,

£16.99 · Buy It Now

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Black solid rubber flat - black,

Black solid rubber flat - black,

£99.88 · Buy It Now

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Aluminium foil tape self - aluminium,

Aluminium foil tape self - aluminium,

£8.99 · Buy It Now

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Insulation recticel celotex - insulation, -recticel/celotex

Insulation recticel celotex - insulation, -recticel/celotex

£440.00 · Buy It Now

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Expanded polystyrene sheets - expanded,

Expanded polystyrene sheets - expanded,

£361.00 · Buy It Now

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Celotex kingspan insulation - celotex,

Celotex kingspan insulation - celotex,

£330.00 · Buy It Now

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Aluminium foil tape self - foil,

Aluminium foil tape self - foil,

£17.95 · Buy It Now

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25mm ethafoam stratocell - -,

25mm ethafoam stratocell - -,

£1.79 · Buy It Now

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Smart trade insulation buster - smart,

Smart trade insulation buster - smart,

£10.95 · Buy It Now

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Underfloor heating retro - underfloor,

Underfloor heating retro - underfloor,

£16.00 · Buy It Now

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Cavity closers multi - closers, width

Cavity closers multi - closers, width

£39.99 · Buy It Now

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Eps polystyrene sheets 1200 - eps,

Eps polystyrene sheets 1200 - eps,

£25.00 · Buy It Now

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Wrap around universal - 5,

Wrap around universal - 5,

£21.98 · Buy It Now

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50mm ethafoam stratocell - -,

50mm ethafoam stratocell - -,

£1.79 · Buy It Now

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Heat shrink tubing electrical - heat,

Heat shrink tubing electrical - heat,

£49.99 · Buy It Now

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Rockwool rwa45 100mm acoustic - rwa45,

Rockwool rwa45 100mm acoustic - rwa45,

£356.93 · Buy It Now

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Polystyrene eps insulation - ,

Polystyrene eps insulation - ,

£276.00 · Buy It Now

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Aluminium foil tape insulation - aluminium,

Aluminium foil tape insulation - aluminium,

£72.95 · Buy It Now

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Thermo duct insulation 100mm - thermo,

Thermo duct insulation 100mm - thermo,

£22.99 · Buy It Now

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Cavity closers multi - 10,

Cavity closers multi - 10,

£96.99 · Buy It Now

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100mm insulation - x,

100mm insulation - x,

£390.00 · Buy It Now

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Smart 100mm fibre - (4in),

Smart 100mm fibre - (4in),

£11.49 · Buy It Now

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100mm insulated flexible - 4",

100mm insulated flexible - 4",

£29.95 · Buy It Now

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Cavity closers multi width - x,

Cavity closers multi width - x,

£49.99 · Buy It Now

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Aluminium foil tape - aluminium, heat

Aluminium foil tape - aluminium, heat

£35.00 · Buy It Now

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Heat shrink braided - shrink, cable

Heat shrink braided - shrink, cable

£121.14 · Buy It Now

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Job lot 100x jablite - job,

Job lot 100x jablite - job,

£499.99 · Buy It Now

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Rockwool acoustic slab - rockwool, rwa45

Rockwool acoustic slab - rockwool, rwa45

£78.87 · Buy It Now

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📊96 listings · from £1.79 · avg £160.9

Browse 96 insulation 100mm listings currently in our index. Prices range from £1.79 to £1000, with an average of £160.9. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about insulation 100mm →

Try this: vt600 | peugeot jetforce 50cc | airline cup | goat skull | zippo limited | striker lighter | boilie table | dandy trailer | peco exhaust | crochet snowflakes

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Everything you need to know about insulation 100mm

Whether you are looking for a brand-new or second-hand insulation 100mm, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.79, while premium listings can reach £1000 — giving you a wide budget spread to work with. The average price of £160.9 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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