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The best glass glue for most trade and manufacturing jobs is a clear, moisture-curing hybrid polymer such as Everbuild Stixall Crystal, with a neutral mirror silicone for mirrors and a UV curing adhesive for small, precise, optically clear joints. Glass is smooth, non-porous and unforgiving, so the right glass glue depends on what you are bonding it to, how much movement and moisture the joint will see, and whether the bond line will be on show.
This guide explains how glass bonding works, why ordinary glues fail on glass, and which Ureka adhesives to choose for glass to glass, glass to metal, glass to timber and mirror applications. If you would rather browse the full range, see our glass adhesive range.
For a clear, flexible, water-resistant bond on glass, use Everbuild Stixall Crystal glass glue. For mirrors, use Soudal Mir-o-bond, which will not attack mirror backing. For small, close-fitting glass to plastic joints that need to cure in seconds, trial Permabond UV6302 UV curing adhesive. For sealing glazing joints rather than bonding, use a silicone such as Soudal Silirub 2.
| Application | Recommended Ureka product | Why |
|---|---|---|
| General glass bonding (glass to glass, metal, wood, stone) | Everbuild Stixall Crystal | Crystal clear hybrid polymer, primerless adhesion to glass, high grab, -40°C to +70°C |
| Clear bonding and sealing in manufacturing | Aro-Seal 1101 Hybrid Polymer | Clear, elastic, 25% movement, -40°C to +90°C, solvent and isocyanate free |
| Mirrors to walls and panels | Soudal Mir-o-bond | Neutral silicone that does not attack mirror backing, stays elastic, -40°C to +150°C |
| Small precision joints (glass to plastic) | Permabond UV6302 | Clear, low viscosity UV curing adhesive, cures on demand under a UV lamp |
| Sealing glazing and glass joints | Soudal Silirub 2 | Neutral cure, low modulus silicone with primerless adhesion to glass |
Glass glue is any adhesive formulated to wet out and grip a smooth, non-porous glass surface and hold it permanently to another material. Unlike timber or plasterboard, glass has no pores for glue to key into, so adhesion relies on chemistry and a perfectly clean surface rather than mechanical grip.
There is no single glass glue that suits every job. In trade and industrial settings, glass gluing usually falls into one of four families, each with different strengths.
Hybrid polymers cure with moisture from the air into a tough, flexible rubber. Clear grades such as Stixall Crystal and Aro-Seal 1101 give a near-invisible bond line and bond glass to metal, timber, stone, plastics and painted surfaces. They are solvent free, water-resistant once cured and cope with the thermal movement between glass and other materials. Read more in our guide to MS polymer adhesives.
Silicones have excellent adhesion to glass and outstanding UV and temperature resistance, which is why they dominate glazing. Neutral cure silicones are kinder to mirror backings, metals and stone than acetoxy (vinegar-smelling) grades. Silicones are usually the right choice for sealing, and a specialist silicone such as Mir-o-bond is the right choice for mirrors. See our silicone sealant guide for more detail.
UV curing adhesives stay liquid until exposed to ultraviolet light, then cure in seconds. Because glass transmits UV, they are widely used for glass to glass and glass to plastic joints in display, furniture and electronics manufacturing. They give crystal clear, thin bond lines but need close-fitting parts and a UV lamp.
Superglues, epoxies and structural acrylics are sometimes used as a glass glue, but they are rigid. Glass and the material it is bonded to expand at different rates, so a rigid glue line can crack or de-bond with temperature changes or moisture. Use them only for small, dry, indoor repairs, and test first.
Choosing the wrong glass glue rarely fails on day one. It fails weeks or months later, when a panel slips, a mirror darkens or a joint lets water in. The main risks are:
For most trade and factory applications, the best glass glue is a clear hybrid polymer. Here is how each Ureka product fits.
Everbuild Stixall Crystal is a one part, solvent free hybrid polymer adhesive and sealant in a crystal clear finish. Its data sheet lists primerless adhesion to glass, metals, most plastics, Perspex, concrete, plaster, wood, enamel and painted surfaces, and specifically lists bonding mirrors.
Choose it when you need one clear glass glue for splashbacks, shelves, glass to metal trims, glass to timber and general fixing, indoors or out.
Aro-Seal 1101 is our own clear hybrid polymer adhesive for bonding and sealing in construction, automotive, marine and door manufacturing. It stays elastic, accommodates joint movement up to 25%, is free from acids, isocyanates and solvents, and has good UV resistance and colour stability. Temperature resistance is -40°C to +90°C.
For non-porous surfaces such as glass, the data sheet recommends a surface activator where adhesion tests show it is needed. Choose it when you are bonding glass into composite, metal or PVC assemblies on a production line and need a clear, flexible bond with a higher service temperature.
Soudal Mir-o-bond is a neutral, low modulus silicone adhesive made for gluing mirrors to uneven surfaces, fixing mirror walls and sealing joints between mirrors. It does not attack mirror backing, stays permanently elastic and resists -40°C to +150°C.
It cures slowly (about 1mm per 24 hours), so mirrors need support until fully cured. Choose it when the glass is a mirror, as a general glass glue may damage the silvering.
Permabond UV6302 is a single part, clear, UV curable methacrylate adhesive designed for bonding plastics such as polycarbonate, PMMA and rigid PVC. Its very low viscosity (50–100 mPa s) wicks into tight joints by capillary action, and it cures on demand under a 365–420 nm UV lamp.
Permabond’s hot strength data is measured on glass to mild steel, and glass transmits UV well, so UV6302 is worth trialling for small glass to acrylic or glass to polycarbonate joints. As it is formulated for plastics, always test on your own glass before production. Choose it when parts fit closely, one side lets UV light through and you need a clear bond in seconds.
If the job is sealing rather than bonding, you may not need a glass glue at all: use a silicone. Soudal Silirub 2 is a neutral cure, low modulus silicone with primerless adhesion to glass, metals, plastics and masonry. Everbuild 225 Silicone C3 is an acetoxy glazing silicone for single glazing and general industrial sealing.
Use these questions to narrow down the right glass glue for your application. Getting them right first time saves labour, rework and wasted glass.
| Adhesive type | Clarity | Flexibility | Water resistance | Cure speed | Best use on glass |
|---|---|---|---|---|---|
| Hybrid polymer (MS) | Clear grades available | High | High | Skins in minutes, cures 2–3mm per day | General glass to glass, metal, wood, stone |
| Neutral silicone | Clear or coloured | Very high | Very high | Skins in minutes, cures 1–3mm per day | Mirrors, glazing, sealing |
| UV curing adhesive | Crystal clear | Medium | Good (test) | Seconds under UV | Precision glass to plastic joints |
| Cyanoacrylate | Clear | Low | Poor to fair | Seconds | Small dry indoor repairs only |
| Epoxy or acrylic | Varies | Low to medium | Good | Minutes to hours | Rigid, dry joints after testing |
Browse more options in our MS polymer adhesive, sealant and cyanoacrylate glue ranges, or read our guide to adhesive types.
You need a single clear glass glue for glass to glass, glass to metal, glass to timber or glass to stone, indoors or outdoors, with high grab and a waterproof finish. It is the safest all-round starting point for installers and joiners.
You are bonding and sealing glass in a production environment, such as doors, vehicles, marine fit-out or composite panels, and need a clear, elastic, solvent free adhesive with 25% movement and resistance up to +90°C.
You are fixing mirrors or mirror walls. It is made specifically for mirrors and does not attack mirror backing.
You bond small, close-fitting glass to acrylic or polycarbonate parts in a factory, have access to a UV lamp and need a clear bond in seconds. Test on your glass first.
You need to seal glass rather than bond it, such as glazing perimeters, shower screens or display cabinet joints.
This is almost always contamination rather than a faulty glass glue. Glass often carries silicone residues from cleaning products, handling grease or protective film adhesive. Best fix: clean with Cladstikk Cleaning Wipes or a suitable solvent, let it flash off, and use Formoa SA Surface Activator on non-porous surfaces before a hybrid polymer.
The adhesive has attacked the mirror backing. Best fix: Soudal Mir-o-bond neutral mirror adhesive, after an acetone compatibility test on the backing.
Heavy glass and vertical surfaces need grab and support. Best fix: Everbuild Stixall Crystal for its high initial grab, plus spacer blocks, tape or props until cured.
A rigid glass glue line cannot absorb the different expansion of glass and metal or timber. Best fix: a flexible hybrid polymer such as Aro-Seal 1101 or Stixall Crystal, applied as a bead rather than a thin film.
Too much adhesive, a non-clear grade or poor tooling. Best fix: a clear product (Stixall Crystal, Aro-Seal 1101 or Permabond UV6302), applied neatly with excess removed before it skins.
Not enough UV energy is reaching the joint, or the lamp wavelength does not match. Best fix: Permabond UV6302 with a lamp in the 365–420 nm range, closer to the joint, and check the glass is not UV-blocking.
The bond or seal is not continuous. Best fix: bond with a water-resistant hybrid polymer and finish the perimeter with Soudal Silirub 2.
Follow these 7 proven tips to get the best from any glass glue.
If you need to remove old adhesive from glass before rebonding, see our adhesive remover guide.
The right glass glue comes down to what the glass is bonded to and the conditions it will face. For most applications, choose Everbuild Stixall Crystal as a clear, water-resistant, high grab glass glue. In manufacturing, Aro-Seal 1101 gives a clear, elastic bond with higher temperature resistance. For mirrors, use Soudal Mir-o-bond, and for precise, fast glass to plastic joints trial Permabond UV6302.
For sealing glazing, choose Soudal Silirub 2. Whichever glass glue you choose, clean the glass thoroughly and test first. Browse the full glass adhesive range or contact our team for advice on your application.
For most jobs, a clear hybrid polymer such as Everbuild Stixall Crystal is the best glass glue. It bonds glass to glass, metal, wood and stone, stays flexible and is waterproof once cured.
A clear hybrid polymer gives a flexible, water-resistant glass to glass bond. For small, close-fitting joints in a factory, a UV curing adhesive such as Permabond UV6302 can give a crystal clear bond in seconds after testing.
Cyanoacrylate superglue will stick to glass, but it is rigid and moisture can weaken it over time. Use it only for small, dry, indoor repairs, and choose a hybrid polymer or silicone for anything load-bearing or wet.
Use a mirror-safe neutral silicone such as Soudal Mir-o-bond. Ordinary adhesives can attack the mirror backing and cause dark spots. Support the mirror until the adhesive has fully cured.
Clean both surfaces, use a surface activator if tests show it helps, then bond with a flexible hybrid polymer such as Stixall Crystal or Aro-Seal 1101. The flexibility absorbs the different expansion rates of glass and metal.
Hybrid polymers and silicones are water-resistant once cured and suit bathrooms, kitchens and external use. Stixall Crystal can even be applied to damp surfaces, though not in standing water.
Hybrid polymers skin in 15–35 minutes and cure about 2–3mm per 24 hours. Mir-o-bond cures about 1mm per 24 hours. UV curing adhesives fix in seconds under a suitable UV lamp.
Glass transmits UV light, so UV curing adhesives are widely used for glass joints. Permabond UV6302 is formulated for plastics, so test it on your glass and lamp before production.
Usually contamination: silicone residues, grease or film adhesive. Clean the glass thoroughly, allow any solvent to evaporate and consider a surface activator before bonding.
Yes. Stixall Crystal is weatherproof from -40°C to +70°C and Aro-Seal 1101 offers good UV resistance from -40°C to +90°C. Always check the data sheet for your conditions.
PERMABOND UV6302 is a single part, fast setting, and UV curable adhesive designed specifically for bonding plastics. This material has excellent adhesion to a variety of plastics including polycarbonate.
Formoa Surface Activator is at the same time: a cleaner, degreaser and primer. Formoa Surface Activator will activate non porous surfaces, such as: plastics, coatings and metals for improved adhesion of sealants based on silicone, polyurethane and MS Polymers.
Everbuild Stixall Crystal Clear, based on hybrid polymer technology is the ultimate combined building adhesive and sealant, with the most Extreme power to both bond and seal virtually everything to anything in nearly all conditions, even under water or in the rain!
Everflex Contract 225 Industrial & Glazing Silicone is a mid modulus acetoxy cure silicone sealant that adheres to most smooth and non-porous substrates. Typically used for single glazing, draught-proofing and general industrial use. Contains a powerful anti-fungal compound to prevent mould growth to the sealant.
Soudal Mirror adhesive is a high-quality neutral, elastical low modulus single component adhesive / sealant based on special silicone polymers.
Soudal Silirub 2 is a premium quality low modulus neutral cure silicone sealant. Very fast skinning time and final cure. 100% silicone, no shrinkage. Thick-bodied. Excellent toolability. Primerless adhesion on all common construction materials (glass, plastics, masonry substrates, metals and wood). High movement capability. Resistant to UV, rain, snow . High and low temperature resistance.
The Easiflow HD Cartridge Gun is a high quality, hand operated applicator gun for dispensing adhesives and sealants from cartridges.
Cladstikk® wipes are extra-large cleaning wipes which can be used for hands, tools and surfaces.
Aro-Seal® 1101 is a one component, solvent and water free, elastic construction adhesive based on hybrid polymers.
Ureka Global Ltd
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