I need to seal around an inset kitchen sink. Tried wickes clear and it goes white when wet. Will this do the job for me?

Yes... good stuff for that or Sunday poly is also very good... different colours. . White is the most popular.

I used this product to craete a seal round an outdoor 1 metre square manhole 'drain cover' over a year ago and it has not 'degraded' at all since it was applied. I might be wrong, but I would be fairly confident that it would stick glass pretty well. Care would be needed to avoid 'smearing' the glass tho' as it is very 'smeary and sticky Black rubbery stuff'. Good Luck.

Would this stick a rubber seal to a runner for bifold doors?

I’m not sure, I used it to seal around my sink area. I don’t even know if it’s waterproof but it works and is still there a year later .

Is this okay to use with leds?

Hi, it shouldn't be a problem to use with leds.

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Description

Seal the Deal! 🛠️

QUICK FIX - 20-30 minutes working time for efficient project management.
COMPACT POWER - Sleek design and lightweight at 370g for easy handling.
RAPID RESULTS - Tack-free in just 2 hours, so you can move on to the next task.
WEATHER WARRIOR - Unmatched weathering characteristics for long-lasting performance.
CERTIFIED QUALITY - Meets ISO 11600-25lm and ISO 9047 Class 50 standards for peace of mind.

The Dow Corning 791 Sealant in Black is a high-performance silicone sealant designed for exceptional weather resistance and durability. With a quick curing time and compliance with ISO standards, this sealant is perfect for professionals seeking reliable and efficient solutions for their sealing needs.

Specifications

Manufacturer	Dow Corning
Part Number	4024907/C05
Product Dimensions	5 x 5 x 23.5 cm; 370 g
Item model number	4024907/C05
Size	Size 310
Colour	Black
Style	Compact
Material	Silicone
Item Package Quantity	1
Number of Pieces	1
Measurement System	Metric
Included Components	1 x tube of Dow Corning 791 in Black.
Batteries included?	No
Batteries Required?	No
Item Weight	370 g

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