Leak sealer
Leak sealer for sale on Ireland's largest auction and classifieds sites
Budget picks — under €7
Ideal patching cracks • Holes roofs gutters • Windows more easy - Free postage - New and Used
Mastic sealant 400ml • Quickly repair leaks • Protect surfaces thisleak - Free postage - New and Used
Ideal patching cracks • Holes roofs gutters • Windows more leak - Free postage - New and Used
Ideal patching cracks • Holes roofs gutters • Windows more easy - Free postage - New and Used
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Ideal patching cracks • Holes roofs gutters • Windows more easy - Free postage - New and Used
Browse 48 leak sealer listings currently in our index. Prices range from €5.92 to €69.95, with an average of €13.84. 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 leak sealer →
Say goodbye leaks • Cracks stop leak • Spray sealant fast - Free postage - New and Used
Fix leaks fast • Effectively this100ml waterproof • Sealant spray brush - Free postage - New and Used
Ideal patching cracks • Holes roofs gutters • Windows more easy - Free postage - New and Used
High temperature thread • Sealant locks seals • Threaded fittings this - Free postage - New and Used
Spray seal mastic • Sealants instant leak • Waterproof sealant type - Free postage - New and Used
Stop that leak • Spray 400ml black • Window roof sealer - Free postage - New and Used
This black silicone • Auto sealer formulated • Sealant waterproof flexible - Free postage - New and Used
Fernox jointing compound • External leak sealer • 50ml lsx high - Free postage - New and Used
Leak sealer • H500 central heating • 500ml bottle our - Free postage - New and Used
Fernox external leak • Sealer 50ml use • Hot cold water - Free postage - New and Used
Leak sealer • Boiler central heating • System 500ml c500 - Free postage - New and Used
Mid-range — €8 to €13
Customer thank you • Choosing k007 our • Store committed providing - Free postage - New and Used
Mastic sealant 400ml • Ideal roof gutter • Pipe outdoor surfaces - Free postage - New and Used
Spray seal sealant • White flexible durable • Coating covers cracks - Free postage - New and Used
Use hot cold • Water services including • From below freezing - Free postage - New and Used
Durable material butyl • Seal tape made • Rubber special processing - Free postage - New and Used
Available 400ml - Free postage - New and Used
Lucas engine oil • Stop leak seal • Sealer 946ml additive - Free postage - New and Used
Very easy use • Just peel off • Released film then - Free postage - New and Used
Mastic sealant 400ml • Ideal roof gutter • Pipe outdoor surfaces - Free postage - New and Used
Stable maintains its • Effectiveness integrity even • Under harsh sunlight - Free postage - New and Used
Stable maintains its • Effectiveness integrity even • Under harsh sunlight - Free postage - New and Used
Fast acting water • Leak sealer not • Seek seal avery - Free postage - New and Used
Ideal patching cracks • Holes roofs gutters • Windows more easy - Free postage - New and Used
Super easy use • Provides watertight seal • Variety surfaces whether - Free postage - New and Used
Captain tolley creeping • Crack cure 60ml • Formulated thinner than - Free postage - New and Used
Waterproof paintable flexible • Protects surfaces from • Corrosion once dry - Free postage - New and Used
Premium — over €13
Ideal patching cracks • Holes roofs gutters • Windows more easy - Free postage - New and Used
Jenolite stop leak • Instant waterproof sealant • Hardwearing flexible formulation - Free postage - New and Used
Black stop that • Leak spray 400ml • Waterproof paintable flexible - Free postage - New and Used
Miracle seal revolutionary • Scientifically created product • Cure all water - Free postage - New and Used
Compatible various materials • Versatile formula fernox • Ensures compatibility wide - Free postage - New and Used
Fish safe formula • Aquatic life ensure • Our pond sealer - Free postage - New and Used
Instant leak sealing • Just spray let • Dry enjoy long - Free postage - New and Used
Super easy use • Provides watertight seal • Variety surfaces whether - Free postage - New and Used
Black leak stop • Spray sealant 400ml • 500ml heavy duty - Free postage - New and Used
Black leak stop • Spray 400ml weight • 500ml heavy duty - Free postage - New and Used
Mastic sealant 400ml • Spray cans suitable • Multiple repairs waterproof - Free postage - New and Used
12oz 340g spray • Sealant liberally slow • Sweeping permatex has - Free postage - New and Used
Fernox express leak • Sealer seeks out • Seals most leaks - Free postage - New and Used
Waterproof butyl tape • Aluminum foil base • Thickness 1.0 stop - Free postage - New and Used
Two sizes available • Choose from 300ml • 400ml cans weight - Free postage - New and Used
Miracle seal revolutionary • Scientifically created product • Cure all water - Free postage - New and Used
Try this: ceramic urinal | float valve | water meter box | shower hose washers | click clack bath waste | rak series 600
🔥 Best eBay deals on leak sealer
See all listings on eBay →These 48 listings for leak sealer are the lowest-priced items currently in our index. Prices are sorted ascending so you can quickly gauge the market before going further.
Leak Repair Waterproof Sealant
Ideal patching cracks • Holes roofs gutters • Windows more easy
€6
WHITE LEAK STOP SPRAY 400ML
Mastic sealant 400ml • Quickly repair leaks • Protect surfaces thisleak
€6
Leak Repair Waterproof Sealant
Ideal patching cracks • Holes roofs gutters • Windows more leak
€6
Everything you need to know about leak sealer
Whether you are looking for a brand-new or second-hand leak sealer, 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 €5.92, while premium listings can reach €69.95 — giving you a wide budget spread to work with. The average price of €13.84 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.