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What glue is used for car roof adhesion?

3 Answers
DeNathan
07/29/25 10:05pm
Use specialized automotive glue or adhesive products. Below is the relevant introduction: Introduction to Car Roof: The car roof is a very important part of the automobile structure. With the development of technology and industrial progress, the roof is no longer just for protection. The emergence of sunroofs and convertibles allows for better ventilation and lighting, and enables people to enjoy beautiful scenery more during travel. Nowadays, there are many types of car roofs, mainly divided into convertible, hardtop, traditional sunroof roof, and panoramic roof. Introduction to Automotive Adhesives: The main function of automotive adhesives is to repair cars. They can be used in car repairs for post-adjustment fixation and to fill small dents in the car body.
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DiNoah
08/15/25 10:07pm
A few days ago, I helped my neighbor repair the roof of an old car and used a lot of adhesive. Common roof-specific adhesives on the market include black tape (butyl tape) and polyurethane structural adhesive. Butyl tape is easy to use—just peel off the backing and stick it on, making it especially effective for sealing roof edges, with built-in waterproofing. Polyurethane adhesive has strong bonding power, resists vibration and UV aging, and is suitable for large-area roof bonding. Choosing the right adhesive depends on the roof material—metal roofs require epoxy primer, while a starry sky roof modification needs transparent, seamless adhesive. The key is not to cheap out on low-quality adhesives, as they can melt under summer sun exposure, dripping black liquid and ruining the roof interior.
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EmeryFitz
10/17/25 7:32am
I've been researching automotive adhesives for seven or eight years. When bonding car roofs, three key factors must be considered: weather resistance, elasticity, and bonding strength. Polyurethane adhesive won't become brittle at -30°C in winter or flow at high temperatures in summer, while silicone adhesive offers excellent UV resistance. For convertible soft tops, marine-grade adhesives are mandatory - ordinary 502 instant glue will powder within two months. Recently, new pressure-sensitive adhesive tapes have become quite popular; butyl rubber tapes with grid backing don't require roller tools, allowing DIY installation of panoramic sunroof seals without air bubbles. Remember to clean metal surfaces with degreaser before application, and never work when humidity exceeds 90%.
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