would this be OK to stick my satellite dish to the top of my motor-home without screws?

It's a good product but I would not trust it for that, use it along with the screws, just to be on the safe side. Is there not a plate with the dish that you could fix on permanently so that you could easily remove the dish?

Dear, May i know the best before date?

Morning. Exp Date of current stock is 09/2023. Hope that helps.

Can I use this to seal a roof vent on my camper? I need to make sure it is completely watertight. Thank you

Yes , you can , and it will seal against water ingress, It's also used for sealing deck fittings on a yacht or seagoing motor cruiser.

Would this work for waterproofing cracks in outside concrete steps

Probably would, but I would try concrete first of all to fill the gaps, it would look better.

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marine sealant

Product ID: 47904792

Details

Brand
Sika
Item dimensions L x W x H
48 x 48 x 230
Item weight
0.41 Kilograms
Material
Polyurethane
Style
Cartridge

⚓Marine-grade waterproof sealant

⏱️Fast curing for quick fixes

🛠️Strong polyurethane bond

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SAR 147

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In stock

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Description

⚓ Seal your success with marine-grade precision!

CLEAN AND EASY USE - Smooth paste formula in a convenient 300ml cartridge for mess-free application
VERSATILE APPLICATION - Perfect for fibreglass, plastic, and door surfaces—one sealant for all your needs
LEAK PROOF MARINE STRENGTH - Seals and bonds quickly to keep your vessel dry and secure
DURABLE WATERPROOF PROTECTION - Engineered to withstand harsh marine environments without fail
TRUSTED QUALITY FROM SWITZERLAND - Backed by 4.6-star reviews and global reliability for professional results

Sikaflex 291i White is a professional-grade polyurethane adhesive sealant designed specifically for marine applications. It offers fast curing, strong waterproof bonding on fibreglass and plastic surfaces, and comes in a convenient 300ml cartridge. Trusted worldwide and highly rated, it ensures durable, leak-proof seals that withstand tough marine conditions.

Specifications

ASIN	B004X7PEL6
Best Sellers Rank	78,218 in DIY & Tools ( See Top 100 in DIY & Tools ) 15 in Adhesive Caulk
Brand	Sika
Colour	White
Compatible Material	Fibreglass
Country Of Origin	Switzerland
Customer Reviews	4.6 4.6 out of 5 stars (3,395)
Global Trade Identification Number	07612894815009
Included Components	1 cartridge
Item Dimensions	48 x 48 x 230 millimetres
Item Form	Paste
Item Type Name	Sikaflex 291i Multifunctional adhesive sealant for marine applications
Item Weight	0.41 Kilograms
Manufacturer	Sikaflex
Manufacturer Part Number	291i White
Material	Polyurethane
Model Number	291i White
Number of Items	1
Style Name	Cartridge
Surface Recommendation	Plastic, doors
Unit Count	300.0 millilitre
Water Resistance Level	Waterproof

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