Cavity insulation
Cavity insulation for sale on Ireland's largest auction and classifieds sites
Cavity therm full - cavity, - £76.00
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
Vermiculite 100 50l - 100, chimney - £45.36
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
Dritherm cavity insulation - cavity, - £26.70
Packs available prefer • Buyer collect but • Can deliver fee - Free postage - New and Used
Packs available prefer • Buyer collect but • Can deliver fee - Free postage - New and Used
Celotex kingspan cavity - celotex, - £275.00
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
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Celotex kingspan cavity - kingspan, - £318.00
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
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48 listings · from £6.5 · avg £164.62
⚠️ These listings were last updated more than 20 days ago.
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Browse 48 cavity insulation listings currently in our index. Prices range from £6.5 to £799.99, with an average of £164.62. 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 →
Isover cavity wall - isover, insulation - £588.00
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 wall insulation - cavity, - £184.00
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
Cavity wall tie insulation - wall, - £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
Cavity closers multi - cavity, - £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, - £55.57
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
Dritherm glass fibre - glass, 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 - 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
Cavity closers multi - cavity, - £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 thermaclass cavity - celotex, - £49.58
New still packaged • Couple lumps bumps • From site storage - Free postage - New and Used
New still packaged • Couple lumps bumps • From site storage - Free postage - New and Used
Cavity therm full fill - cavity, - £26.70
Rigid foam insulation • Low emissivity foil • Facings used traditional - Free postage - New and Used
Rigid foam insulation • Low emissivity foil • Facings used traditional - Free postage - New and Used
Glass rock mineral - glass, - £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
Superwal cavity insulation - superwal, - £19.99
Superwal cavity insulation • 125mm 2.18m2 collection • From bradford postage - Free postage - New and Used
Superwal cavity insulation • 125mm 2.18m2 collection • From bradford postage - 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
Isover 100mm cws cavity - cws, - £69.95
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 cavity - celotex, - £190.00
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, - £338.00
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
Celotex kingspan cavity - celotex, - £230.00
- Free postage - New and Used
- Free postage - New and Used
Dritherm supaglass fibreglass - dritherm/supaglass, - £312.00
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
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
Celotex kingspan cavity - celotex, - £435.00
Celotex 50mm cavity • Insulation 1200 450 • Sheets - Free postage - New and Used
Celotex 50mm cavity • Insulation 1200 450 • Sheets - Free postage - New and Used
Celotex kingspan cavity - celotex, - £248.00
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
Timco plastic insulation - timco, - £10.77
Collated drywall screws • Elysee pipe fittings • Bathroom accessories engineering - Free postage - New and Used
Collated drywall screws • Elysee pipe fittings • Bathroom accessories engineering - Free postage - New and Used
Cavity closers multi width - closers, - £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
Cavity therm full - 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
Knauf supafil cavity - knauf, - £21.50
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
125mm dri therm - dri-therm, 37 - £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
Superglass superwall cavity - 34, - £23.58
Cavity wall batt • 1.2m 455 150mm • Pack british board - Free postage - New and Used
Cavity wall batt • 1.2m 455 150mm • Pack british board - Free postage - New and Used
White polystyrene bead - white, - £60.24
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
Insulation retaining discs red - retaining, - £17.89
Timco insulation retaining • Discs red polypropylene • Are hold cavity - Free postage - New and Used
Timco insulation retaining • Discs red polypropylene • Are hold cavity - Free postage - New and Used
Recticel 90mm eurowall t - 90mm, + - £162.47
- Free postage - New and Used
- Free postage - New and Used
Dritherm glassfibre cavity - glassfibre, - £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
Celotex cw4000 cavity - cw4000, - £524.75
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
Ursa cavity batt - cavity, x - £24.99
Ursa cavity batt • 1350mm 455mm 100mm • 3.07m pack collection - Free postage - New and Used
Ursa cavity batt • 1350mm 455mm 100mm • 3.07m pack collection - 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
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
Celotex kingspan cavity - celotex, - £385.00
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, - £520.00
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
Timco metal insulation cavity - timco, - £16.00
Collated drywall screws • Radiator key elysee • Pipe fittings bathroom - Free postage - New and Used
Collated drywall screws • Radiator key elysee • Pipe fittings bathroom - Free postage - New and Used
Celotex kingspan cavity - celotex, - £180.00
- Free postage - New and Used
- Free postage - New and Used
Cubic white polystyrene - 1.5, - £9.15
These high quality • Beans are perfect • Bring your old - Free postage - New and Used
These high quality • Beans are perfect • Bring your old - Free postage - New and Used
Timco metal insulation cavity - metal, - £8.97
Collated drywall screws • Radiator key elysee • Pipe fittings bathroom - Free postage - New and Used
Collated drywall screws • Radiator key elysee • Pipe fittings bathroom - Free postage - New and Used
Glass rock cavity wall - glass, - £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
Insulated cavity closer - closer, 1.2m - £29.95
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
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 £799.99 — giving you a wide budget spread to work with. The average price of £164.62 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.