Cavity wall insulation
Cavity wall insulation for sale on Ireland's largest auction and classifieds sites
Cavity therm full fill - full, - £79.00
Lambda value 0.021 • High thermal performance • This type insulation - Free postage - New and Used
Lambda value 0.021 • High thermal performance • This type insulation - Free postage - New and Used
125mm dri therm - dri-therm, insulation - £799.99
Full pallet consisting • Packs pack has • Batts covers 3.28mtr2 - Free postage - New and Used
Full pallet consisting • Packs pack has • Batts covers 3.28mtr2 - Free postage - New and Used
120x1200x450 cavity grey - 120x1200x450, - £68.30
100mm grey polystyrene • Graphite eps insulation • Boards arbet are - Free postage - New and Used
100mm grey polystyrene • Graphite eps insulation • Boards arbet are - Free postage - New and Used
Vermiculite 100 50l - vermiculite, chimney - £32.40
Insulation exfoliated vermiculite • Well established excellent • Thermal insulating material - Free postage - New and Used
Insulation exfoliated vermiculite • Well established excellent • Thermal insulating material - Free postage - New and Used
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Cavity wall insulation - cavity, - £234.00
Ideal walls lofts • Professional installations material • High quality fibreglass - Free postage - New and Used
Ideal walls lofts • Professional installations material • High quality fibreglass - Free postage - New and Used
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48 listings · from £1.99 · avg £161.99
Browse 48 cavity wall insulation listings currently in our index. Prices range from £1.99 to £799.99, with an average of £161.99. 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 cavity wall insulation →
Isover cavity wall insulation - isover, - £539.00
455 1200 batts • 3.28 49.2 cws • 65mm units per - Free postage - New and Used
455 1200 batts • 3.28 49.2 cws • 65mm units per - Free postage - New and Used
Cavity closers multi width - multi, - £63.99
Universal closers eliminating • Damp andcold bridging • Around doors windows - Free postage - New and Used
Universal closers eliminating • Damp andcold bridging • Around doors windows - Free postage - New and Used
Knauf insulation dritherm - knauf, - £55.58
Upgrade your building • Project high performance • Cavity wall insulation - Free postage - New and Used
Upgrade your building • Project high performance • Cavity wall insulation - Free postage - New and Used
Low insulation vcl vapour - vcl, - £2.95
Installing low insulation • Will increase thermal • Performance your cavity - Free postage - New and Used
Installing low insulation • Will increase thermal • Performance your cavity - Free postage - New and Used
Dritherm supaglass fibreglass - , - £525.00
This product used • Between brick block • Work full fill - Free postage - New and Used
This product used • Between brick block • Work full fill - Free postage - New and Used
Cavity closers multi - 10, - £96.99
External doors window • Thermo loc cavity • Closers 2.4m long - Free postage - New and Used
External doors window • Thermo loc cavity • Closers 2.4m long - Free postage - New and Used
Recticel 90mm eurowall t - recticel, - £193.98
- Free postage - New and Used
- Free postage - New and Used
Cavity wall pir - cavity, - £175.00
Insulation board • Iko enertherm cavity • 1200 450 50mm - Free postage - New and Used
Insulation board • Iko enertherm cavity • 1200 450 50mm - Free postage - New and Used
Eurowall recticel cavity wall - recticel, - £68.30
New unused eurowall • Recticel cavity wall • Insulation 140mm 1200x460mm - Free postage - New and Used
New unused eurowall • Recticel cavity wall • Insulation 140mm 1200x460mm - Free postage - New and Used
Vermiculite 100l chimney - 100l, - £5.45
Vermiculite 100 50l • Chimney cavity insulation • Silvapearl loose fill - Free postage - New and Used
Vermiculite 100 50l • Chimney cavity insulation • Silvapearl loose fill - Free postage - New and Used
Rockwool nyrock insulation - rockwool, - £39.42
Rockwool nyrock insulation • Cavity slab mineral • Product use basements - Free postage - New and Used
Rockwool nyrock insulation • Cavity slab mineral • Product use basements - Free postage - New and Used
Insulated cavity closer - cavity, 1.2m - £66.95
Cavity closer • Upgrade your project • This thermally insulated - Free postage - New and Used
Cavity closer • Upgrade your project • This thermally insulated - Free postage - New and Used
Celotex kingspan cavity - celotex, - £398.00
Your order much • Appreciated pride ourselves • Our service - Free postage - New and Used
Your order much • Appreciated pride ourselves • Our service - Free postage - New and Used
75mm cavity wall - 75mm, - £44.99
75mm cavity wall • Insulation board 1200mm • 450mm boards foil - Free postage - New and Used
75mm cavity wall • Insulation board 1200mm • 450mm boards foil - Free postage - New and Used
Dritherm glassfibre cavity - dritherm, - £165.00
Dritherm cavity isover • Superglass insulation 75mmth • This product used - Free postage - New and Used
Dritherm cavity isover • Superglass insulation 75mmth • This product used - Free postage - New and Used
Kingspan ecotherm celotex - kingspan, / - £66.10
Board suitable use • Either between studs • Insulated sheathing flooring - Free postage - New and Used
Board suitable use • Either between studs • Insulated sheathing flooring - Free postage - New and Used
Dritherm glassfibre cavity - dritherm, - £275.00
Cavity insulation • Dritherm similar ursa • High grade this - Free postage - New and Used
Cavity insulation • Dritherm similar ursa • High grade this - Free postage - New and Used
Recticel 115mm eurowall g - eurowall+, t&g - £197.52
This insulation board • Recticel eurowall plus • 115mm pir cavity - Free postage - New and Used
This insulation board • Recticel eurowall plus • 115mm pir cavity - Free postage - New and Used
Reacticel eurowall plus full - reacticel, - £175.94
Reacticel eurowall plus • Full fill cavity • 90mm 460mm 1200mm - Free postage - New and Used
Reacticel eurowall plus • Full fill cavity • 90mm 460mm 1200mm - Free postage - New and Used
Celotex kingspan cavity - celotex, - £355.00
Kingspan tw50 50mm • Cavity insulation 1200 • 450 sheets - Free postage - New and Used
Kingspan tw50 50mm • Cavity insulation 1200 • 450 sheets - Free postage - New and Used
Cavity therm pir full - cavity, ct/pir - £99.00
Cavity therm pir • Full fill boards • 1200mm 450mm 90mm - Free postage - New and Used
Cavity therm pir • Full fill boards • 1200mm 450mm 90mm - Free postage - New and Used
Cavity closers multi - multi, width - £39.99
Universal closers eliminating • Damp andcold bridging • Around doors windows - Free postage - New and Used
Universal closers eliminating • Damp andcold bridging • Around doors windows - Free postage - New and Used
Pir cavity insulation - pir, - £117.00
Timber sheet materials • Trade diy suppliers • Trading over years - Free postage - New and Used
Timber sheet materials • Trade diy suppliers • Trading over years - Free postage - New and Used
Internal corner xtratherm - internal, - £159.99
Xtratherm cavitytherm continuous • Wall insulation system • High performance composite - Free postage - New and Used
Xtratherm cavitytherm continuous • Wall insulation system • High performance composite - Free postage - New and Used
Cavity therm full fill - cavity, xt/cf - £42.30
Cavity therm full • Fill boards 1200mm • 450mm 90mm price - Free postage - New and Used
Cavity therm full • Fill boards 1200mm • 450mm 90mm price - Free postage - New and Used
Cavity fire socks mdl - 8, - £65.18
Cavity fire sock • Mdl insulations high • Quality product manufactured - Free postage - New and Used
Cavity fire sock • Mdl insulations high • Quality product manufactured - Free postage - New and Used
Insulated dpc thermal damp - insulated, - £39.99
Nsulated dpc has • Been developed minimise • Cold bridging when - Free postage - New and Used
Nsulated dpc has • Been developed minimise • Cold bridging when - Free postage - New and Used
Dritherm glass fibre - dritherm, cavity - £296.00
Knauf dritherm isover • Superglass fibreglass cavity • Insulation 100mmth this - Free postage - New and Used
Knauf dritherm isover • Superglass fibreglass cavity • Insulation 100mmth this - Free postage - New and Used
Dritherm glassfibre cavity - glassfibre, - £396.00
Cavity insulation • Dritherm similar ursa • High grade this - Free postage - New and Used
Cavity insulation • Dritherm similar ursa • High grade this - Free postage - New and Used
Dritherm glassfibre cavity - dritherm, - £189.00
Dritherm cavity isover • Superglass insulation 75mmth • This product used - Free postage - New and Used
Dritherm cavity isover • Superglass insulation 75mmth • This product used - Free postage - New and Used
20mm polyester wadding roll - wadding, - £1.99
14oz 20mm polyester • Wadding roll fire • Retardant building insulation - Free postage - New and Used
14oz 20mm polyester • Wadding roll fire • Retardant building insulation - Free postage - New and Used
Dritherm glassfibre cavity - glassfibre, - £260.00
Dritherm cavity isover • Superglass insulation 75mmth • This product used - Free postage - New and Used
Dritherm cavity isover • Superglass insulation 75mmth • This product used - Free postage - New and Used
Kingspan tw50 recticel - kingspan, / - £124.00
Kingspan thermawall tw50 • High performance insulation • Fibre free rigid - Free postage - New and Used
Kingspan thermawall tw50 • High performance insulation • Fibre free rigid - Free postage - New and Used
Glass rock cavity - rock, - £23.58
Glass rock mineral • Wool insulation band • New thickness 1200mm - Free postage - New and Used
Glass rock mineral • Wool insulation band • New thickness 1200mm - Free postage - New and Used
Cavity closers multi width - cavity, - £49.99
External doors window • Universal closers eliminating • Damp oldbridging around - Free postage - New and Used
External doors window • Universal closers eliminating • Damp oldbridging around - Free postage - New and Used
Fire rated cavity closers - rated, - £69.99
Fire ratedcavity closers • 100mm cavity above • Ireland scottish isles - Free postage - New and Used
Fire ratedcavity closers • 100mm cavity above • Ireland scottish isles - Free postage - New and Used
Fire rated cavity - cavity, closers - £159.99
Fire ratedcavity closers • 100mm cavity minute • Integrity above ka27 - Free postage - New and Used
Fire ratedcavity closers • 100mm cavity minute • Integrity above ka27 - Free postage - New and Used
Vermiculite 100l chimney - 100l, - £180.94
Wearing dust mask • Prevent breathing any • Generated pour micafil - Free postage - New and Used
Wearing dust mask • Prevent breathing any • Generated pour micafil - Free postage - New and Used
Celotex kingspan cavity - kingspan, - £285.00
- Free postage - New and Used
- Free postage - New and Used
125mm superglass superwall - superglass, - £37.99
Superwall bba approved • Use all exposure • Zones subject conditions - Free postage - New and Used
Superwall bba approved • Use all exposure • Zones subject conditions - Free postage - New and Used
Cavity wall pir - 35, x - £260.00
Insulation board • Iko enertherm cavity • 1200 450 50mm - Free postage - New and Used
Insulation board • Iko enertherm cavity • 1200 450 50mm - Free postage - New and Used
External corner xtratherm - external, - £129.99
Xtratherm cavitytherm continuous • Wall insulation system • High performance composite - Free postage - New and Used
Xtratherm cavitytherm continuous • Wall insulation system • High performance composite - Free postage - New and Used
Glass rock mineral - rock, cavity - £23.58
Glass rock mineral • Wool insulation brand • New thickness 1200 - Free postage - New and Used
Glass rock mineral • Wool insulation brand • New thickness 1200 - Free postage - New and Used
Try this: campervan carpet | gully pots | yorkshire stone slates | thermoliner | water meter 15mm | honda cr 250 plastics 1996 | old fire bricks | brick carriers | clear tarpaulin | marley bold roll
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Everything you need to know about cavity wall insulation
Whether you are looking for a brand-new or second-hand cavity wall insulation, eBay offers one of the largest selections available online. With 48 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 £1.99, while premium listings can reach £799.99 — giving you a wide budget spread to work with. The average price of £161.99 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.