Under floor insulation
Under floor insulation for sale on Ireland's largest auction and classifieds sites
Browse 48 under floor insulation listings currently in our index. Prices range from £0.99 to £314.99, with an average of £76.03. 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 under floor insulation →
Budget picks — under £15
Camper ultra therm • Provides excellent acoustic • Thermal insulation adhesive - Free postage - New and Used
Tile backer boards • Underfloor heating systems • Are specifically two - Free postage - New and Used
Ezheat xps insulation • Minimum order qty • Boards are perfectly - Free postage - New and Used
Electric underfloor heating • Kits 6mm our • Products are manufactured - Free postage - New and Used
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Pictures show examples • What use this • Good quality can - Free postage - New and Used
Ezheat xps insulation • Minimum order qty • Boards are perfectly - Free postage - New and Used
Can used insulation • Wood laminate flooring • All boards are - Free postage - New and Used
Tile backer boards • Waterproof surface fix • Wall floor tiles - Free postage - New and Used
Fastwarm insulation tilebacker • Boards are constructed • Undertile mats cable - Free postage - New and Used
Ezheat xps insulation • Minimum order qty • Boards are perfectly - Free postage - New and Used
Use copper pipe • Insulation they serve • Transmission high quality - Free postage - New and Used
Thermopanel tile backer • Underfloor heating systems • Dimensions board are - Free postage - New and Used
Edging strip underfloor • Heating projects when • Using screeded - Free postage - New and Used
Ezheat xps insulation • Boards are perfectly • Use beneath both - Free postage - New and Used
Electric underfloor heating • Insulation boards 6mm • 10mm 20mm 30mm - Free postage - New and Used
Ezheat xps insulation • Boards are perfectly • Use beneath both - Free postage - New and Used
Mid-range — £17 to £69
This closed cell • Insulation work foil • Underfloor heating mat - Free postage - New and Used
Tile backer boards • First class heat • Insulation underfloor heating - Free postage - New and Used
High quality underfloor • Heating perimeter edge • Strip used absorb - Free postage - New and Used
Super foil underfloor • Insulation under laminate • Wood floor carpet - Free postage - New and Used
Super foil underfloor • Insulation under laminate • Wood floor carpet - Free postage - New and Used
Jablite insulation can • Used temperatures therefore • Suitable use underfloor - Free postage - New and Used
Peacemat pro united • Kingdom has amazing • Sound deadening insulation - Free postage - New and Used
10m sound deadening • Roll car van • Heat insulation 10mm - Free postage - New and Used
Can also used • Floor wall roof • Applied below suspended - Free postage - New and Used
Roll 10sqm coverage • Underfloor thermal underlay • Insulation laminate wood - Free postage - New and Used
6mm 10m roll • Ideal insulation perfect • Carpet wood laminate - Free postage - New and Used
Thermal insulation foil • Underfloor heating systems • Acts insulating layer - Free postage - New and Used
Tile backer boards • First class heat • Insulation underfloor heating - Free postage - New and Used
Ezheat xps insulation • Minimum order qty • Boards are perfectly - Free postage - New and Used
Weight film used - Free postage - New and Used
Super foil underfloor • Insulation under laminate • Wood floor carpet - Free postage - New and Used
Premium — over £70
Super foil underfloor • Insulation under laminate • Wood floor carpet - Free postage - New and Used
Why wait tile • Backer board 6mm • 10mm 20mm 30mm - Free postage - New and Used
Ezheat xps insulation • Minimum order qty • Boards are perfectly - Free postage - New and Used
Suitable underfloor heating • Concrete floors screeded • All boards are - Free postage - New and Used
Thermal conductivity 0.027 • 0.03 density this • Aluminium board perfect - Free postage - New and Used
Earn distributor aqua • Build products substrate • Two outer layers - Free postage - New and Used
Underfloor insulation electric • Boards are here • Help reduce heat - Free postage - New and Used
They can used • Without underfloor heating • Give great insulation - Free postage - New and Used
Thickness options 6mm • 10mm 20mm 30mm • Superior insulation minimizes - Free postage - New and Used
Living heat hard • Insulation boards 600 • 20mm under tile - Free postage - New and Used
Unlike standard wood • Laminate underlays supplied • Your flooring living - Free postage - New and Used
Whether you are • Installing carpet laminate • Hardwood flooring these - Free postage - New and Used
Boards are 1200 • 600 board single • Will cover 0.72m - Free postage - New and Used
Underfloor insulation are • Here help top • Concrete timber sub - Free postage - New and Used
Underfloor insulation electric • Boards are here • Help reduce heat - Free postage - New and Used
Xps insulation boards • Underfloor heating • Minimum order qty - Free postage - New and Used
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🔥 Best eBay deals on under floor insulation
See all listings on eBay →These 48 listings for under floor insulation are the lowest-priced items currently in our index. Prices are sorted ascending so you can quickly gauge the market before going further.
Camper Van Foam Insulation
Camper ultra therm • Provides excellent acoustic • Thermal insulation adhesive
£1
Tile Backer Board 6mm 10mm
Tile backer boards • Underfloor heating systems • Are specifically two
£5
XPS 6mm Insulation Boards
Ezheat xps insulation • Minimum order qty • Boards are perfectly
£5
Everything you need to know about under floor insulation
Whether you are looking for a brand-new or second-hand under floor 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 £0.99, while premium listings can reach £314.99 — giving you a wide budget spread to work with. The average price of £76.03 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.