Model # EXP04050

Internet #203151902

Store SKU #582318

Reflectix 4 in. x 50 ft. Expansion Joint for Concrete
0716511560017

Reflectix

4 in. x 50 ft. Expansion Joint for Concrete

  • Lightweight - Over 11 times lighter than traditional products
  • Sturdy - Will not prematurely break during job site handling
  • Termite Resistant - Does not facilitate destructive termites
$16.98 /each

Frequently Bought Together

Product Overview

The reflected closed cell foam expansion joint is the solution to your concrete placement needs. It is durable, lightweight and flexible enough to shape to contours. The product includes a 0.5 in. x 0.5 in. tear-off strip for applications where caulking is planned.

  • Lightweight - over 11 times lighter than traditional products
  • Sturdy - will not prematurely break during job site handling
  • Resistant to moisture - virtually zero water absorption
  • Termite resistant - does not facilitate destructive termites
  • Recyclable - foam is made of recyclable resins
  • Environmentally-friendly - material is CFC and HCFC-free
  • Temperature-friendly - excellent range for cold or hot climates
  • Reusable - tear-off strip can be reused as a backer rod
  • Sealant friendly - works with a variety of common sealants

Info & Guides

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Specifications

Dimensions

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Warranty / Certifications

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Customer Questions & Answers

Can I get a 1" wide recycled rubber expansion joint

I have a gap 1" WIDE BETWEEN MY SIDE WALK & HOUSE. I WANT A FILLER THAT WLL LAST FOR YEARS AND THE RECYCLED RUBBER EXPANSION JOINT LOOKS TO BE A GOOD FIT. CAN I GET IT IN 1' THICKNESS?
Asked by: BJH
For this width, I used the standard 5/8" pipe insulation at $1.75 per 6 ft.
Answered by: Thrifty
Date published: 2016-10-09

Do you have to caulk over this? How wide is it? My joints look to be about 1" wide on my patio/pool surround.

Asked by: Donna
Thank you for your interest in our product. Yes, it is recommended to caulk over the product to hold it in place. The expansion joint product is 1/2" thick.
Answered by: Reflectix Product Support
Date published: 2016-04-06

What is the shipping weight of this roll?

What is the shipping weight of this roll?
Asked by: Karen
1 roll is 2 lbs
Answered by: Reflectix Product Support
Date published: 2017-04-13

Can I use a spray adhesive after installation instead of caulk? Here is a picture I the area I n...

Can I use a spray adhesive after installation instead of caulk? Here is a picture I the area I need to seal. I plan to install the joint with the tear-off strip down and use the adhesive to keep it in place. Will this work?
Asked by: Dee
Yes you can. The caulk is for when you use the product with the strip up then remove the strip and caulk to make it water resistant.
Answered by: Reflectix Product Support
Date published: 2017-01-04
  • y_2017, m_4, d_24, h_1CST
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Customer Reviews

4 in. x 50 ft. Expansion Joint for Concrete is rated 4.2 out of 5 by 22.
Rated 5 out of 5 by from Installed this material about a month ago on a newly surfaced patio. Very easy to work with. Th... Installed this material about a month ago on a newly surfaced patio. Very easy to work with. The material, since it is a polymer-type product, actually "grabs" the concrete so it stays in place. The ease of installation and use is better than any felt material. I have replaced felt stripes several times over the last 30 years. This may be the final install. However, this is the first time I have used this product, and will have reserve my opinion regarding durability. - one piece install; no installing in 4' sections - easy measuring and cut to fit - does not absorb moisture/water - takes a fifth of the time to install compared to felt
Date published: 2016-12-06
Rated 2 out of 5 by from Eh...cheap appearing product. Some kind of foam rubber type of thing. It can fill small gaps. Hav... Eh...cheap appearing product. Some kind of foam rubber type of thing. It can fill small gaps. Have no idea how long this will last which is my chief concern. Seems like it will fall apart quickly. It's not like the expansion joint material you seen in driveways, etc. No HD people around that knew about it to answer questions.
Date published: 2017-03-07
Rated 4 out of 5 by from Inexpensive alternative For a home project, this is a much cheaper alternative for a limited budget
Date published: 2017-02-14
Rated 5 out of 5 by from It's worth the effort Easy to install, fast and effective. I recommend to anyone, over blackboard
Date published: 2016-12-14
Rated 1 out of 5 by from very light (flimsy) material, rubber expansion joint material much better very light (flimsy) material, rubber expansion joint material much better
Date published: 2016-11-15
Rated 5 out of 5 by from met my needs and would order again if need in the future met my needs and would order again if need in the future
Date published: 2016-11-19
Rated 5 out of 5 by from Easy to use will buy again ... Easy to use will buy again
Date published: 2017-04-18
Rated 5 out of 5 by from Great expansion joint material, take care with tear off strip. This foam Expansion Joint material is easy to apply, works well and provides a very good joint. It does need to be held in place for a while after it is glued with construction adhesive, otherwise it will sag. Being able to use with the tear off strip on bottom was better than on top for my use anyway. On top it seems it can be easy for the tear off strip to get accidentally removed or separated during screeding and finishing operations.
Date published: 2016-09-06
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