Calvana Urethane Windscreen Adhesive 310ml - Automotive Polyurethane Sealant, Fast-Curing Non-Sag Bond

Calvana Urethane Windshield Adhesive 310ml is a fast-curing, non-sag polyurethane sealant formulated to bond automotive glass and restore leaks, chips, and gaps quickly and durably.

This 310ml automotive-grade polyurethane adhesive from Calvana is designed for windshield and glass sealing tasks where strength, flexibility, and weather resistance matter. The kit includes a windshield primer, nitrile gloves, applicator sticks and tips, and fits standard manual or electric caulking guns. It cures by moisture, resists vibration, UV and temperature swings, and is suitable for both interior and exterior bonding jobs on cars, RVs and light commercial vehicles.

How does this adhesive perform on vehicle windshields?

Calvana’s urethane formula provides a high-strength, flexible bond engineered for glass-to-body joints. It is non-sag, so it holds in place on vertical and angled surfaces, then cures to a resilient seal that resists wind pressure and road vibration.

• Non-sag urethane formulation for vertical application without run-off
• High-elasticity bond to absorb impact and vibration
• Moisture-curing chemistry for consistent cross-linking in real-world conditions
• Rapid cure speed to reduce vehicle downtime

What surfaces and parts can I use it on?

This adhesive is suitable for uncoated and primed metal, painted surfaces, glass, and many plastics commonly found on vehicle bodies. Typical uses include front and rear windshields, side windows, sunroofs, headlights, taillights and door glass.

• Glass-to-frame joints: windshields, rear windows, sunroofs
• Light assemblies: headlight and taillight sealing
• Convertible or door seals where flexibility is needed
• Works on painted and primed metal panels and many plastics

What’s included in the Calvana repair kit and how do I apply it?

The package contains a 310ml urethane tube, windshield primer, applicator tips, two 5.9" applicator sticks and a pair of nitrile gloves. It fits manual and electric caulking guns; prepare the joint by cleaning and priming before dispensing, then tool the bead and allow moisture cure to complete the bond.

• 310ml urethane adhesive compatible with standard caulking guns
• One windshield primer—use within six months of opening for best results
• Two applicator sticks and tip for controlled dispensing and tooling
• Nitrile gloves included for safe handling during application

How durable is the bond against weather and driving stresses?

Calvana’s urethane sealant is formulated for long-term outdoor performance: it resists high temperatures, humidity, UV exposure and repeated washing. The cured bead remains flexible to accommodate thermal expansion and road vibration without cracking or losing adhesion.

• Moisture-curing chemistry provides weatherproof cross-linking
• UV and temperature resistance for exterior automotive use
• Retains flexibility to prevent seal failure from movement
• Suitable for both daily driving and high-speed conditions

Who is this for: Calvana Urethane Windshield Adhesive 310ml is aimed at automotive technicians, body shop professionals and experienced DIYers who need a professional-grade, weatherproof sealant for windshield installs, glass repairs and component sealing. If you regularly work on glass-to-body joints or need a reliable, fast-curing urethane for vehicle applications, this kit supplies the adhesive, primer and basic tools to complete the job with durable results.