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🔥 Seal the deal with heatproof precision!
Rutland 500-Degree RTV High Heat Silicone Seal is a professional-grade, clear silicone sealant designed to withstand extreme temperatures up to 500°F. Its versatile formula bonds securely to over 20 materials including metal, stone, and wood, providing a waterproof, durable seal ideal for industrial and home applications. Packaged in a 10.3-ounce cartridge, it delivers reliable performance for demanding sealing tasks.
| ASIN | B000DZBLNC |
| Best Sellers Rank | #306,317 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #536 in Silicone Adhesives |
| Brand | RUTLAND PRODUCTS |
| Brand Name | RUTLAND PRODUCTS |
| Colour | Clear |
| Compatible Material | Acrylic, Aluminium, Brick, Carbon Fibre, Ceramic, Concrete, Engineered Wood, Fabric, Faux Leather, Fibreglass, Glass, Granite, Marble, Metal, Plastic, Polyurethane, Polyvinyl Chloride, Porcelain, Rubber, Stone, Vinyl, Wood |
| Customer Reviews | 4.6 out of 5 stars 2,087 Reviews |
| Global Trade Identification Number | 00022624003762 |
| Item Dimensions | 48 x 48 x 286 Millimeters |
| Item Form | Gel, Liquid |
| Item Weight | 10.3 Ounces |
| Item dimensions L x W x H | 48 x 48 x 286 Millimeters |
| Manufacturer | Rutland Products |
| Manufacturer Part Number | 76C |
| Material | Silicone |
| Material Type | Silicone |
| Model | 76C |
| Number of Items | 1 |
| Style | silicone |
| Style Name | silicone |
| UPC | 022624003762 |
| Unit Count | 304 Milliliters |
| Water Resistance Level | Waterproof |
S**N
Old stock ? Sealant came from backside of tube manibh a mess
Instead of sealant coming from nozzle the base broke and all sealant leaked from behind of the tube
R**Z
Buen producto
Es un buen producto, solo que es algo alto su precio
L**.
Rutland 500°F RTV High Heat Silicone Sealant – Clear and Tough for Heat
I grabbed this Rutland 10.3 oz clear silicone cartridge to seal some gaps around my wood stove’s vent pipe, and it’s been a reliable performer. Rated for up to 500°F (intermittent) or 450°F (continuous), it’s built for high-heat spots like fireplaces, ovens, or grills. The clear finish is a huge plus—blends right into the stainless steel pipe without looking gaudy like red or black sealants might. Applying it with a caulk gun was smooth; the consistency is thick but workable, and it didn’t sag even on vertical seams. After curing for 24 hours (as recommended), it formed a flexible, rubbery seal that’s held up to a few weeks of daily fires—no cracks, no smoke leaks, and no sign of heat damage. The adhesion is strong too; it stuck to both the metal pipe and the surrounding brick without peeling. I also like that it’s made in the USA—feels good supporting that. The 10.3 oz size gave me plenty to work with—covered about 20 feet of 1/4-inch bead with some left over. A couple cons: the vinegar-like smell during application was intense, so I’d suggest good ventilation or a mask. Also, it’s messy if you’re not careful—wearing gloves saved me from a sticky cleanup. Compared to a cheaper RTV silicone I’ve tried, this one’s heat resistance and flexibility are noticeably better, though it costs a bit more. For high-temp sealing jobs, this stuff shines. It’s versatile (glass, metal, wood, etc.), durable, and discreet with that clear look. I’d give it 4.5 stars—half off for the smell, but rounded up to 5 for how well it works. Great for stoves or any heat-exposed fix—just prep your space!
A**R
Great product
Bought for wood burning stove roof sealant works great would buy again
S**.
Did what I needed it to
Got this to attach heat pads on my heat press - they were not attached & would slip around. They have stayed attached & the heat of the press isn't an issue.
Trustpilot
1 month ago
5 days ago