Cavity insulation
Cavity insulation for sale on Ireland's largest auction and classifieds sites
Cavity wall insulation - wall, virgin - £25.95
Any pvc cables • Should protected within • Conduit suitable air - Free postage - New and Used
Any pvc cables • Should protected within • Conduit suitable air - Free postage - New and Used
Vermiculite 100 50l chimney - 100, - £39.95
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
Insulated cavity closer - closer, 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 - kingspan, - £220.00
Kingspan tw50 similar • 50mm cavity insulation • 1200 450 sheets - Free postage - New and Used
Kingspan tw50 similar • 50mm cavity insulation • 1200 450 sheets - Free postage - New and Used
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Cavity wall insulation virgin - wall, - £25.95
Any pvc cables • Should protected within • Conduit suitable air - Free postage - New and Used
Any pvc cables • Should protected within • Conduit suitable air - Free postage - New and Used
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48 listings · from £6.5 · avg £157.58
⚠️ These listings were last updated more than 105 days ago.
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Browse 48 cavity insulation listings currently in our index. Prices range from £6.5 to £915, with an average of £157.58. 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 insulation →
Cavity closers multi - x, - £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
Celotex kingspan cavity - celotex, - £278.00
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
Dritherm glassfibre cavity - glassfibre, - £255.00
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
Isover cavity wall - cavity, insulation - £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
Knauf dritherm isover - knauf, dritherm/isover - £170.00
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 width - closers, - £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
Dritherm supaglass fibreglass - dritherm/supaglass, - £490.00
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
Celotex kingspan cavity - celotex, - £350.00
Celotex 50mm cavity • Insulation 1200 450 • Sheets - Free postage - New and Used
Celotex 50mm cavity • Insulation 1200 450 • Sheets - Free postage - New and Used
Eurowall recticel cavity wall - eurowall, - £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
Earthwool cavity slab - earthwool, 32 - £17.22
Earthwool cavity slab • Insulation product manufactured • Made from mineral - Free postage - New and Used
Earthwool cavity slab • Insulation product manufactured • Made from mineral - Free postage - New and Used
Knauf supafil cavity - 34, - £26.70
Supafil34 glass mineral • Blowing wool use • External full fill - Free postage - New and Used
Supafil34 glass mineral • Blowing wool use • External full fill - Free postage - New and Used
Dritherm glassfibre cavity - dritherm, - £245.00
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
Knauf dritherm 1200 - 37-, - £34.99
Knauf dritherm 1200 • 455 100mm slabs • Pack cavity wall - Free postage - New and Used
Knauf dritherm 1200 • 455 100mm slabs • Pack cavity wall - Free postage - New and Used
Cavity closers multi - cavity, - £63.03
Easy trim cavity • Way achieve building • Regulations compliance when - Free postage - New and Used
Easy trim cavity • Way achieve building • Regulations compliance when - Free postage - New and Used
90mm ecotherm eco cavity full - 90mm, - £468.00
- Free postage - New and Used
- Free postage - New and Used
Fire rated cavity closers - cavity, - £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
Dritherm glass fibre cavity - glass, - £230.00
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
Celotex kingspan cavity - celotex, - £195.00
- Free postage - New and Used
- Free postage - New and Used
Kingspan ecotherm celotex - /, / - £51.00
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
50mm 60mm 75mm 100mm - , thickness - £10.40
Thickness options 50mm • 60mm 75mm 100mm • This insulation board - Free postage - New and Used
Thickness options 50mm • 60mm 75mm 100mm • This insulation board - Free postage - New and Used
White polystyrene bead - polystyrene, filling - £33.15
These high quality • Beads are perfect • Bring your old - Free postage - New and Used
These high quality • Beads are perfect • Bring your old - Free postage - New and Used
75mm cavity wall insulation - cavity, - £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
Celotex cw4000 cavity - celotex, - £415.00
Ideal new build • Refurb suitable general • Uses such under - Free postage - New and Used
Ideal new build • Refurb suitable general • Uses such under - Free postage - New and Used
Cubic cavity wall - cavity, - £30.00
Any pvc cables • Should protected within • Conduit suitable air - Free postage - New and Used
Any pvc cables • Should protected within • Conduit suitable air - Free postage - New and Used
Cavity therm full fill - 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
Dritherm knauf fibreglass - knauf, - £15.00
- Free postage - New and Used
- Free postage - New and Used
Superglass cavity wall - superglass, - £33.98
New other been • Stored while hence • Roll party wall - Free postage - New and Used
New other been • Stored while hence • Roll party wall - Free postage - New and Used
Cavity wall tie insulation - cavity, - £6.50
Insulation retaining discs • Against inner cavity • Walls suitable all - Free postage - New and Used
Insulation retaining discs • Against inner cavity • Walls suitable all - Free postage - New and Used
100mm knauf dritherm cavity - knauf, - £54.00
- Free postage - New and Used
- Free postage - New and Used
150mm superglass superwall - 150mm, - £915.00
Flexible batt supplied • 455mm wide allow • Friction fitting between - Free postage - New and Used
Flexible batt supplied • 455mm wide allow • Friction fitting between - Free postage - New and Used
Isover 100mm cws cavity - isover, - £65.95
Thermal conductivity 0.036 • This incredible mineral • Wool insulation made - Free postage - New and Used
Thermal conductivity 0.036 • This incredible mineral • Wool insulation made - Free postage - New and Used
Celotex kingspan recticel - celotex, - £130.00
- Free postage - New and Used
- Free postage - New and Used
Knauf insulation dritherm - knauf, - £29.99
- Free postage - New and Used
- Free postage - New and Used
125mm superglass superwall - , - £32.00
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
50mm therma pro insulated - 50mm, - £26.70
New newer used • 50mm therma pro • Insulated cavity closer - Free postage - New and Used
New newer used • 50mm therma pro • Insulated cavity closer - Free postage - New and Used
Dritherm glassfibre cavity - glassfibre, - £375.00
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 - glassfibre, - £150.00
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
Celotex kingspan cavity - kingspan, - £155.00
Kingspan tw50 similar • 50mm cavity insulation • 1200 450 sheets - Free postage - New and Used
Kingspan tw50 similar • 50mm cavity insulation • 1200 450 sheets - Free postage - New and Used
Celotex kingspan cavity - celotex, - £399.00
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
Cavity therm full - cavity, - £64.99
Lambda value 0.021 • Cavity therm full • Fill boards 1200mm - Free postage - New and Used
Lambda value 0.021 • Cavity therm full • Fill boards 1200mm - Free postage - New and Used
Fire rated cavity closers - fire, - £156.99
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
75mm superglass superwall - superglass, - £37.10
75mm superglass superwall • Cavity insulation high • Interior walls pack - Free postage - New and Used
75mm superglass superwall • Cavity insulation high • Interior walls pack - Free postage - New and Used
Arc ec150 eco - x, - £249.99
Cavity width 150mm • Rigid pvcu profile • Insulated non combustible - Free postage - New and Used
Cavity width 150mm • Rigid pvcu profile • Insulated non combustible - Free postage - New and Used
Try this: copper coil | plaster angle bead | rodding point | insulation boards 25mm | tyvek sheet | insulated board | corrugated sheets | glass wall | hattersley valves | tarpaulin sheet
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Everything you need to know about cavity insulation
Whether you are looking for a brand-new or second-hand cavity 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 £6.5, while premium listings can reach £915 — giving you a wide budget spread to work with. The average price of £157.58 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.