I have weeds cmg up bw my concrete slabs on driveway, do I just put this into the concrete joint gaps and then apply sikaflex on top? beginner here

I use this stuff between walls or bricks before the the pour. Then rip the perforated top off and fill with Urathane like sika. It allows movement of the slab and keeps things from breaking. If you have an existing joint, just buy the round foam and stuff it in leaving a space at the top. Be advised any self leveling compound will find even the smallest holes and all drain out. So if you don’t have a good deal use a little latex caulk then apply sika

is this product good to use between concrete pool and paver decking

Yes, I used the Reflectix between a concrete wall and a paver driveway and it is working pretty well, I recommend to use a sealant(silicon)for outdoors at the top to prevent the dust cumulate in joints, the sealant should cover the joint with the pool, the top of the Reflectix and the joint with the paver decking. Hopefully it helps.

Could this be used for a concrete form?

Not recommended, since it has limited strength and bends easily. I have used this around the edge of a sidewalk during resurfacing to prevent run off of cement and in some landscaping but not for any concrete forms.

Is this product UV resistant?

If used correctly it is between two surfaces and not exposed to sunlight. It is made to go between a wall and a concrete sidewalk or as a filler in an expansion joint for example.

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🛠️ Expand your potential with Reflectix – where durability meets precision!

BUILT TO LAST - Robust plastic material resists wear and tear for dependable performance
EXTENDED REACH - 50 feet of joint length covers large projects without interruption
TRUSTED BRAND QUALITY - Manufactured by Reflectix Inc, a leader in weatherization solutions
EFFORTLESS INSTALLATION - Lightweight 499g design makes handling and fitting a breeze
PRECISION FIT EXPANSION - 4" width ensures seamless integration with your existing setup

The Reflectix EXPO4050 Series 4"x50' Expansion Joint is a durable, easy-to-install plastic expansion joint designed for weatherization and building projects. Measuring 4 inches wide and 50 feet long, it offers extensive coverage and a precise fit, making it ideal for professional-grade sealing and expansion needs.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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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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Manufacturer	REFLECTIX INC
Part Number	EXPO4050
Product Dimensions	13.34 x 13.34 x 123.83 cm; 498.95 g
Item model number	EXPO4050
Size	4" W x 1/2" H x 50' L
Colour	Black
Material	Plastic
Item Package Quantity	1
Included Components	Appliance Parts & Accessories, Appliance Replacement Parts, appliance-replacement-parts
Batteries included?	No
Batteries Required?	No
Item Weight	499 g

Reflectix EXPO4050 Series 4"x50' Expansion Joint

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