Glass insulators
Glass insulators for sale on Ireland's largest auction and classifieds sites
Vintage electrical glass - vintage, - £83.90
Product set antique • Electrical glass insulators • Vibrant turquoise green - Free postage - New and Used
Product set antique • Electrical glass insulators • Vibrant turquoise green - Free postage - New and Used
Flat roof skylight lantern - flat, - £687.00
Flat roof window • Skylight 1000 2000 • Has internal quoted - Free postage - New and Used
Flat roof window • Skylight 1000 2000 • Has internal quoted - Free postage - New and Used
Premium quality flat roof - premium, - £1401.00
Skylight roof light • 450mm roll grey • Foam rope structural - Free postage - New and Used
Skylight roof light • 450mm roll grey • Foam rope structural - Free postage - New and Used
Loft insulation roll - roll, 44 - £21.25
Knauf insulation 200mm • Glass mineral wool • Roll high quality - Free postage - New and Used
Knauf insulation 200mm • Glass mineral wool • Roll high quality - Free postage - New and Used
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Vintage large glass - , - £20.43
High voltage power • This vintage large • Glass disc saucer - Free postage - New and Used
High voltage power • This vintage large • Glass disc saucer - Free postage - New and Used
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48 listings · from £5.45 · avg £90.13
Browse 48 glass insulators listings currently in our index. Prices range from £5.45 to £1401, with an average of £90.13. 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 glass insulators →
Vintage antique glass - ⚡️, - £21.45
Collection possible you • Like happy post • Otherwise this vintage - Free postage - New and Used
Collection possible you • Like happy post • Otherwise this vintage - Free postage - New and Used
Vintage glass electricity - , - £16.15
- Free postage - New and Used
- Free postage - New and Used
Antique victorian green - antique, - £12.00
Here have antique • Victorian green glass • Piano insulator castor - Free postage - New and Used
Here have antique • Victorian green glass • Piano insulator castor - Free postage - New and Used
Vintage pyrex glass - , - £16.15
Stamped pyrex centre • Reverse originally from • Radio transistor railways - Free postage - New and Used
Stamped pyrex centre • Reverse originally from • Radio transistor railways - Free postage - New and Used
Vintage french double - vintage, - £28.00
Vintage french double • Glass insulator 51cm • High used condition - Free postage - New and Used
Vintage french double • Glass insulator 51cm • High used condition - Free postage - New and Used
Vintage antique glass - ⚡️, - £21.45
Collection possible you • Like happy post • Otherwise this vintage - Free postage - New and Used
Collection possible you • Like happy post • Otherwise this vintage - Free postage - New and Used
Vintage pylon hemingray 42 - vintage, - £31.90
Marked foreign - Free postage - New and Used
Marked foreign - Free postage - New and Used
Set vintage blue glass - set, - £29.99
- Free postage - New and Used
- Free postage - New and Used
Knauf factory clad - knauf, - £17.00
Factory clad roll • Glass mineral wool • Suitable use floors - Free postage - New and Used
Factory clad roll • Glass mineral wool • Suitable use floors - Free postage - New and Used
Eriflex cream steel halogen - eriflex, - £5.45
Eriflex glass reinforced • Polyester insulator have • Quantity available different - Free postage - New and Used
Eriflex glass reinforced • Polyester insulator have • Quantity available different - Free postage - New and Used
Stratus aluminium roof lantern - aluminium, - £1015.56
Stratus aluminium roof • Lantern premium glass • Rooflight flat roofs - Free postage - New and Used
Stratus aluminium roof • Lantern premium glass • Rooflight flat roofs - Free postage - New and Used
Glass insulators large - glass, - £34.94
Have sale great • Lights project per • Pair - Free postage - New and Used
Have sale great • Lights project per • Pair - Free postage - New and Used
Set large vintage french - of, - £45.00
Glass has greenish • Diameter 16cm please • See all photos - Free postage - New and Used
Glass has greenish • Diameter 16cm please • See all photos - Free postage - New and Used
Set large french - of, vintage - £45.00
Glass has greenish • Diameter 17cm please • See all photos - Free postage - New and Used
Glass has greenish • Diameter 17cm please • See all photos - Free postage - New and Used
Double wall insulated - double, - £8.99
Double wall insulated • Coffee glass thermal • Mug tea cup - Free postage - New and Used
Double wall insulated • Coffee glass thermal • Mug tea cup - Free postage - New and Used
Vintage french telegraph - vintage, - £20.00
Vintage french glass • Insulator 33cm high • Used condition please - Free postage - New and Used
Vintage french glass • Insulator 33cm high • Used condition please - Free postage - New and Used
Antique amber glass piano - amber, - £9.73
Lovely piano caster • Measures one nibble • Part foot colour - Free postage - New and Used
Lovely piano caster • Measures one nibble • Part foot colour - Free postage - New and Used
Armstrongs telegraph - armstrongs, - £35.00
This armstrongs telegraph • Insulator made usa • Pleasant clear glass - Free postage - New and Used
This armstrongs telegraph • Insulator made usa • Pleasant clear glass - Free postage - New and Used
Vintage clear glass coil - , - £7.86
Clearing late father • Hobby sheds lots • Treasures that sadly - Free postage - New and Used
Clearing late father • Hobby sheds lots • Treasures that sadly - Free postage - New and Used
Vintage uranium glass piano - vintage, - £36.10
There nice green • Glow under both • 365 395 believe - Free postage - New and Used
There nice green • Glow under both • 365 395 believe - Free postage - New and Used
Vintage french telegraph pole - telegraph, - £20.00
Vintage french glass • Insulator 29cm long • 18cm high used - Free postage - New and Used
Vintage french glass • Insulator 29cm long • 18cm high used - Free postage - New and Used
Glass pyrex egg - or, - £10.79
Weight about 105gms • One has admiralty • Type number 53024 - Free postage - New and Used
Weight about 105gms • One has admiralty • Type number 53024 - Free postage - New and Used
Vintage uranium glass piano - vintage, - £39.99
This vintage uranium • Glass piano insulator • Caster stunning piece - Free postage - New and Used
This vintage uranium • Glass piano insulator • Caster stunning piece - Free postage - New and Used
4pcs 200ml double - 200ml, walled - £13.29
Double walled glass • Perfect capacity 200ml • Ideal coffee tea - Free postage - New and Used
Double walled glass • Perfect capacity 200ml • Ideal coffee tea - Free postage - New and Used
10x260mm styrofoam fixings - 10x260mm, - £44.34
Fixings feature plastic • Sleeve glass fibre • Reinforced polyamide pin - Free postage - New and Used
Fixings feature plastic • Sleeve glass fibre • Reinforced polyamide pin - Free postage - New and Used
Set double walled - set, 2 - £6.74
Double wall glass • Coffee mugs thermal • Insulation floating elegance - Free postage - New and Used
Double wall glass • Coffee mugs thermal • Insulation floating elegance - Free postage - New and Used
Flintknapped melted telephone - flintknapped, - £22.63
Flintknapped melted telephone • Insulator random colored • Glass arrowhead - Free postage - New and Used
Flintknapped melted telephone • Insulator random colored • Glass arrowhead - Free postage - New and Used
Art deco green - art, piano - £24.62
Art deco green • Glass piano insulator • Jelly shaped frets - Free postage - New and Used
Art deco green • Glass piano insulator • Jelly shaped frets - Free postage - New and Used
Two original uranium glass - two, - £98.00
Feel free check • Out pictures allow • You inspect finer - Free postage - New and Used
Feel free check • Out pictures allow • You inspect finer - Free postage - New and Used
Double wall insulated glass - wall, - £27.99
Leaves glass breathe • Cold drinks condensation • Does not leave - Free postage - New and Used
Leaves glass breathe • Cold drinks condensation • Does not leave - Free postage - New and Used
Huge dome bubble cobalt blue - bubble, - £139.53
Moderate cobalt blue • Passes sunlight nicely • Shown indoor indirect - Free postage - New and Used
Moderate cobalt blue • Passes sunlight nicely • Shown indoor indirect - Free postage - New and Used
Victorian green glass piano - green, - £15.08
This single green • Glass piano castor • Features striking hexagonal - Free postage - New and Used
This single green • Glass piano castor • Features striking hexagonal - Free postage - New and Used
Antique amber pressed glass - amber, - £7.59
Lovely warm amber • Piano foot measures • 6.5 across 3.5 - Free postage - New and Used
Lovely warm amber • Piano foot measures • 6.5 across 3.5 - Free postage - New and Used
62mm insulation stick - 62mm, - £12.75
Compatible foam board • Pir mineral wool • Other insulation types - Free postage - New and Used
Compatible foam board • Pir mineral wool • Other insulation types - Free postage - New and Used
High grab and bond panel - high, - £9.94
High grab bond • Panel adhesive glue • Versatile solvent free - Free postage - New and Used
High grab bond • Panel adhesive glue • Versatile solvent free - Free postage - New and Used
Prr pennsylvania railroad - prr, b - £13.58
Chip inside bottom - Free postage - New and Used
Chip inside bottom - Free postage - New and Used
Victorian pressed glass - 6, - £60.00
This product set • Six victorian pressed • Glass piano caster - Free postage - New and Used
This product set • Six victorian pressed • Glass piano caster - Free postage - New and Used
Vintage aqua glass - vintage, - £13.58
Two vintage hemingray • Glass insulators commonly • Used telegraph telephone - Free postage - New and Used
Two vintage hemingray • Glass insulators commonly • Used telegraph telephone - Free postage - New and Used
453 vintage finnish - vintage, glass - £12.60
Producer karhula decade • 1950 1970s - Free postage - New and Used
Producer karhula decade • 1950 1970s - Free postage - New and Used
Double wall insulated glass - 2x, - £7.94
Aqualogis thermo insulated • Glasses espresso create • Visually stunning lattes - Free postage - New and Used
Aqualogis thermo insulated • Glasses espresso create • Visually stunning lattes - Free postage - New and Used
Vintage clear glass - clear, coil - £10.95
Classic mid 20th • Century piece used • Tosupport insulate radio - Free postage - New and Used
Classic mid 20th • Century piece used • Tosupport insulate radio - Free postage - New and Used
62mm insulation stick - 62mm, - £18.18
Perfect securing glass • Fibre mineral wool • Polystyrene pir phenolic - Free postage - New and Used
Perfect securing glass • Fibre mineral wool • Polystyrene pir phenolic - Free postage - New and Used
Velux bdx mk04 m04 2000 - mk04/m04, 78 - £24.99
Velux bdx mk04 • M04 2000 98cm • Insulation underfelt - Free postage - New and Used
Velux bdx mk04 • M04 2000 98cm • Insulation underfelt - Free postage - New and Used
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Everything you need to know about glass insulators
Whether you are looking for a brand-new or second-hand glass insulators, 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 £5.45, while premium listings can reach £1401 — giving you a wide budget spread to work with. The average price of £90.13 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.