Why is this $7 more than it is at the Home Depot

Thanks for the heads up! Lowe's is the cheapest near me.

will this work with a saggy car roof?

Since you are putting on the backside of the saggy it should work fine. It won't leak thru to the saggy side.

What is the desired minimum and maximum temperature to use this spray?

As long as it's not freezing, it should be ok. We've used it in CA in summers of 100 degree weather, down to 55 degrees. It still dries within 4 seconds of spraying, so positioning is key. you can't reposition/adjust after 2 seconds!! My spray nozzle was bad on a few cans, where it sprays to such wide and off-shoot places that was impossible to clean/wipe off that we had to paint over the area

How many square feet does one can cover?

The can says 65 square feet with the usual disclaimers about application rate. This is not for the can that only sprays inverted but for the “normal” spray can.

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🔧 Bond like a pro, spray like a boss!

PRECISION SPRAY CONTROL - Adjust the nozzle to customize your spray pattern, ensuring flawless coverage whether you need a fine mist or wide lace.
SPRAY UPSIDE DOWN WITH EASE - Unique inverted can design lets you spray confidently from any angle, saving time on complex projects.
VERSATILE FOR EVERY PROJECT - From industrial maintenance to interior construction and creative crafts, this adhesive handles diverse materials effortlessly.
ECO CONSCIOUS INDUSTRY READY - Low VOC and CARB compliant, eligible for LEED credits—professional strength with a greener footprint.
INSTANT DURABLE BONDING POWER - Experience rapid tack and a permanent hold on wood, metal, plastic, and more—built to last through moisture and heat.

3M Hi-Strength 90 Spray Adhesive is a professional-grade, fast-drying spray glue designed for permanent bonding across a wide range of materials including wood, metal, plastic, and laminates. Featuring an innovative inverted can for upside-down spraying, adjustable nozzle for precise application, and resistance to moisture and heat, it’s trusted in industrial, construction, and maintenance settings. Low VOC and CARB compliant, it combines high performance with environmental responsibility.

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