can it be used on shingles

Shingles on a roof, or shingles on your body? I'd suggest calling a roofer if you need to use this on your shingles. You can apply it to the shingles on your body then call the doctor in the morning. It will keep the shingles sealed and prevent leakage until you can get to the doctor.

is this food grade? or can i use this on ovens and BBQ grills? it will not directly touch the food but there is a chance that it will. thanks

I sent an email to Permatex regarding the use of this specific RTV Silicone product (81160) to seal a gap in a steamer used in my sandwich shop (gap between 300 degree F steam generator basin and steamer housing). Their response indicates that NONE of the Permatex products are certified food safe: From: Permatex - Product Application Sent: Monday, August 16, 2021 10:14 AM To: Pete xxxxxxxxxxxxxxxxxxxxxxxxxxxx Cc: Permatex - Answered Subject: RE: New submission from Product Support Form Pete, Our products including the Red RTV Silicone is not FDA or NSF certified for indirect and direct food contact or for drinking water applications. Don Sutliff Senior Product Support Specialist ITW Permatex, Inc. 6875 Parkland Blvd. Solon, Ohio 44139 Apparently, Permatex is focused on automotive applications so food safe certification is not something they are concerned about. There are other brands of RTV silicone sealers that are specifically high temp food grade , such as ASI 502 and Sil-Bond "Food Grade NSF FDA RTV Silicone Sealant Adhesive Red High Temp".

Is this compatible with differential fluid?

Yes, 81160 is used on the differential cover.

Can I use red etc for interior application on a tin ceiling with exstream heat from the Fl sun ?

this is over kill but yes... are you trying to seal a leek or just hold things up?? this is a sealer not a contact cement.

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Description

🔥 Seal the deal with Permatex – where high-temp meets high-performance!

BUILT TO LAST - Resists cracking, shrinking, and migration even under heavy-duty use
ULTIMATE HEAT DEFENDER - Handles extreme temps from -65°F to 650°F without breaking a sweat
SENSOR SAFE VERSATILE - Perfect for modern engines with aluminum, bi-metal alloys, and high-tech plastics
TRUSTED OEM PERFORMANCE - Proven since the '70s with outstanding oil resistance and torque retention
ONE TUBE GASKET SOLUTION - Replaces almost any cut gasket—no more hunting for parts

Permatex 81160 High-Temp Red RTV Silicone Gasket Maker is a professional-grade, high-viscosity gel designed for extreme temperature applications (-65°F to 650°F intermittent). It forms durable, formed-in-place gaskets that resist cracking, shrinking, and migration, making it ideal for heavy-duty automotive and industrial use. OEM specified and sensor-safe, it enhances gasket reliability on metal and plastic surfaces, curing fully in 24 hours to deliver long-lasting, oil-resistant seals trusted since the 1970s.

Specifications

Colour	Red
Brand	Permatex
Item Weight	91 Grams
Liquid Volume	3 Fluid Ounces
Full Cure Time	24 Hours
Item Form	Gel
Surface Recommendation	Metal, Plastic
Water Resistance Level	Water Resistant
Number of Items	1
Manufacturer	Permatex
UPC	686226811608
Global Trade Identification Number	00686226811608
Net Quantity	3.0 Ounce
Material	Silicone
Model	Permatex 81160
Product Dimensions	3.18 x 9.68 x 20.32 cm; 91 g
Item model number	81160
Exterior	Painted
Manufacturer Part Number	81160
OEM Part Number	81160
Volume	3 Fluid Ounces
Viscosity	High
Size	standart
Assembly Required	No
Special Features	High-temperature resistance, resistance to aging, weathering, and thermal cycling
Item Weight	91 g

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