Arm yourself against the elements with OSI QUAD Window, Door and Siding Sealant. OSI QUAD Window, Door and Siding Sealant (1638674) is an all-season formula designed for superior caulking performance on exterior window, door and siding applications, fiber-cement and vinyl siding, PVC trim and much more. It can be applied to wet or dry surfaces, even at freezing temperatures and, unlike other sealants, it resists dirt and dust collection, yellowing and water washout. OSI QUAD bonds without a primer to most common substrates like cedar, painted or stained woods, fiberglass, vinyl, coated aluminum, steel, metal, brick, masonry and concrete. with resistance to UV and extreme temperatures (20 degree F to 120 degree F) and proven wet surface application, OSI QUAD is the versatile and durable choice for professional contractors. OSI QUAD is self-tooling and once cured is paintable with latex paints. Our color specialists work closely with leading window, door and siding manufacturers to ensure perfect color matches. OSI QUAD is composed of elastomeric polymers and high quality synthetic resins. OSI offers an arsenal of adhesives, caulks and outdoor construction sealants for the true professional. OSI: Tougher Than the Elements.
Strong adhesion to primary window, door and siding building materials
100% waterproof with proven wet and cold surface application
Class 25 for long-term elasticity and durability in any condition
Self-tooling formula saves time and provides professional finish every time
Paintable to perfectly blend in with surrounding materials
Superior resistance to UV, water, dirt, dust and extreme temperatures (20 degree F to 120 degree F)
Match with any color: free online OSI color match chart tool offers a match for 9,200 plus manufacturer colors
VOC and CARB compliant
Use in conjunction with OSI foam and OSI butyl flash for the toughest air and moisture barrier to maximize energy efficiency
OSI offers online and offline resources like best practice guides and installation programs with limited warranty
Fire and High Heat Resistant,Moisture Resistant,Paintable,Permanently Flexible
Indoor/Outdoor
Outdoor
Interior/Exterior
Exterior
Kit
No
Longevity
20 years
Number of Tubes Included
1
Professional Paint Supplies & Values
Pro Supplies
Returnable
90-Day
Sealant Form
Standard Tube
Sealant Type
Solvent Based
Transparency
Clear
Warranty / Certifications
Certifications and Listings
ASTM Compliant
Manufacturer Warranty
N/A
Questions & Answers
Typical questions asked about products:
Is the product durable?
Is the product easy to use?
What are the dimensions of the product?
Customer Reviews
4.6
out of 1,279 reviews
89%recommend this product
5961
4182
341
236
159
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Showing 1-10 of 1,279 reviews
Jul 4, 2022
Caulk and tube failed totally
I bought this as recommended to bond glass and PVC lumber and the same advice said to avoid silicone for that purpose. While beading the caulk onto the PVC it failed to adhere at all and seemed to repel, and the seal at bottom of the tube totally failed and may have ruined my caulk gun. Cleanup of my window and gun was and is a nightmare. I went back to my original preference of GE Supreme Silicone and it does a fantastic job.
by
Response from OSI - Henkel CorporationJul 6, 2022
We’re sorry to hear our product didn’t work as you expected. OSI QUAD Window, Door & Siding Sealant is one of our best-selling sealants over the last 35 years and is used primarily by professionals in the siding, window, and door industry. As long as your PVC was properly cleaned and prepared, OSI QUAD should adhere to it. Based on the description you provided, it sounds like the product you purchased may have been expired or defective. Lot code information can be found on the cartridge. As with all items sold through retailers, a product exhibiting an issue should be returned to the place of purchase for exchange or refund.
1 found this review helpful
Jun 25, 2022
Tube split and ruined caulk gun.
Had a tube split and thought it was because it was old caulk. Bought two new tubes and started to apply in dry, 80 degree weather. First tube split the length and filled gun with sealant. Spent more time cleaning gun than job should have taken and still have to replace the caulk gun, rod bent and barely advances even at high speed setting. Where do I send the bill for reimbursement? Have applied hundreds of feet of different caulks without any problems until this caulk.
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Response from OSI - Henkel CorporationJun 27, 2022
We're so sorry you had this experience with our product. What you described isn't characteristic of OSI QUAD when the nozzle opening is cut large enough and the inner foil seal has been properly punctured. If you ever need assistance with our products, feel free to reach out to our team at 1-800-624-7767.
1 found this review helpful
Apr 22, 2022
Good product but messy.
After I had a 2nd tube burst/leak I decided to leave a review.
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Response from OSI - Henkel CorporationJun 23, 2022
Thank you for choosing OSI for your project. If you ever need help using our product, feel free to reach us at 1-800-624-7767.
Recommended
Sep 21, 2021
Painter
It is of very good quality
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Response from OSI - Henkel CorporationSep 22, 2021
Thank you for taking time to post your feedback. We are glad that OSI QUAD Sealant was up to your standards. Please let us know if we can ever be of assistance. -The Henkel/OSI Team, 1800-624-776
Verified Purchase
Recommended
1 found this review helpful
Nov 21, 2019
QuadMax is Great
[This review was collected as part of a promotion.] I work with an Aluminum contractor doing metal roofs and additions. QuadMax is one of our preferred brands because of its durability, longevity and ease of use. The detachable snout makes it easy to store in a truck or tool box. The slice off the top opening means you don’t have to use the puncture rod on your caulk gun. I love that because it makes the job so much cleaner. QuadMax has claimed to have improved their clear to last for years. Time will tell, but either way this is a great product and worth every penny.
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Recommended
Customer review from OSI
Nov 19, 2019
Great Product & Great Seal!
[This review was collected as part of a promotion.] I recently used this product to seal several areas in my basement and around exterior windows. The product worked great and provided a smooth and seamless seal. For my application, I used the "clear" color which provided the look I was going for. The adhesive seems extremely strong and really holds everything in place while waterproofing at the same time. Odor was minimal. If using on cold days, I would suggest warming to room temperature in order to get a smooth and steady flow. Very pleased and will be getting more to finish up the never-ending to do list.
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Recommended
Customer review from OSI
Nov 19, 2019
crystal clear with excellent grip!
[This review was collected as part of a promotion.] Quad Max Clear is an excellent solution to address any number of areas that need a watertight seal. The number of options for a clear and durable solution are somewhat limited and Quad Max does not disappoint in any regard.
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Recommended
Customer review from OSI
Nov 15, 2019
Good brand
[This review was collected as part of a promotion.] I used this for a room addition and I’m completely happy with it’s performance. It was easy to use, inserted into the gun just fine. Dispensed great and didn’t drip like crazy. Was easy to smooth on and dried quickly. I was able to paint the same day. I will be switching to this brand for all my home improvement needs.
by
Recommended
Customer review from OSI
Jun 18, 2019
I've had this in place for about 2 weeks. This was recommended by a high end window installer wit...
I've had this in place for about 2 weeks. This was recommended by a high end window installer with the highest recommendations. I'd rather pay a little more and get better lifetime coverage, than to keep reapplying every few years. This is really tough stuff and awesome to apply. Does not shrink or peel, which is very important to say the least. Another good feature is that it has a self puncturing seal, so you don't have to insert a tool to puncture the seal initially. I'd recommend wearing vinyl gloves, once this dries on your hands it's very tough to get off.
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DIY
Verified Purchase
Recommended
4 found this review helpful
Feb 5, 2019
Excellent for Energy Efficiency Projects
[This review was collected as part of a promotion.] This product is easy to use, strongly bonds to all types of siding and windows products! After using OSI Quad Max, I will not use any other caulking products. I used this product on a siding installation during cold, wet weather and had such great results. I was very pleased with the smooth finish.