Will this adhere well to wood?

This stuff sticks to anything better than any product I've ever used. It will stick to wood really well.

Would this work to attach flexible solar panels to the roof of a cargo van?

Contrary to the other answers, the Sikaflex manufacturer's website indicates that it is also a high strength adhesive: Sikaflex®-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive. Sikaflex®-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics.

would this be great stuff to seal an aluminum enclosed trailer roof?

I am on a horse trailer forum and this was recommended by several people with 60+ years in trailer repair. They swear by it.

Can 221 be used for Aluminum Boat repair below water line?

Not positive but think it can not be used like that

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AP Products 017-90892 Sikaflex-221, Aluminum Gray Adhesive Glue

Product ID: 62170386

Details

Brand
AP Products
Colour
Aluminum Gray
Item form
Paste
Material
Polyurethane
Special feature
NSF approved

⏱️Fast curing in one component

🌧️Weather resistant & NSF approved for potable water

🛡️Permanent elastic adhesion with cut & tear resistance

424.52 DT

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Description

🔧 Seal it once, trust it forever – the pro’s choice in adhesive innovation!

CUSTOM FINISH READY - Sandable and paintable for seamless, professional results
WEATHERPROOF SAFE - NSF approved for potable water and incidental food contact, built to withstand the elements
UNMATCHED DURABILITY - Elastic adhesion resists shock, cuts, and tears for the long haul
RAPID ONE STEP BONDING - Fast curing formula saves time on every project
VERSATILE SURFACE COMPATIBILITY - Perfect for aluminum and multiple materials in automotive and construction

AP Products Sikaflex-221 is a premium one-component polyurethane adhesive and sealant in aluminum gray, designed for fast curing and permanent elastic bonding. Engineered for automotive and industrial use, it offers superior cut and tear resistance, weatherproof durability, and NSF approval for potable water contact. Ideal for professionals demanding reliable, long-lasting adhesion with a finish-ready formula.

Specifications

ASIN	B004RCX8XS
Brand	AP Products
Colour	Aluminum Gray
Compatible Material	Aluminium
Container Type	Tube
Included Components	Auto part, Automotive Accessories, Replacement and Performance parts
Item Form	Paste
Item Package Quantity	1
Item Type Name	Sikaflex 221 Alum Gray 30
Item Volume	300 Millilitres
Item Weight	0.95 Pounds
Manufacturer	AP PRODUCTS
Manufacturer Part Number	017-90892
Material	Polyurethane
Model Number	1790892
Other Special Features of the Product	NSF approved for potable water and incidental food contact
UPC	338860051048

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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424.52 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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3 days ago

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