Customer Reviews for OSI QUAD Max 9.5 fl. oz. Blue #804 Exterior/Interior Window Door and Siding Sealant (12-Pack)

Covers and smooths out well with finger. And bonds well to multiple surfaces

The best exterior caulk on the market. Used by siding professionals exclusively. NOT water soluble so have a steady hand! Comes in many colors to match siding.

OSI is the only product to use for exterior siding, windows and doors. Excellent grab, no sag, bonds to most clean surfaces and allows for up to 1/4-inch expansion and contraction. Great selection of colors on the shelf for common use and a huge selection of custom colors from OSI. Far superior to other exterior caulking sealers on the market.

[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.

[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.

[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.

[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.

[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.

[This review was collected as part of a promotion.] I needed a product that I could apply in the rain. Quad Max worked great. We sealed a leak along a masonary wall where it met a metal window frame in a light rain. The window was leaking and it stopped. Thanks OSI

This product is as good as commercial grade caulk but half the price

OSI is magic....I've been using it for 20 years...most guys use the cheap water based crap.....OSI levels itself out beautifully and lasts for ever.....I love it.....send me a couple of cases...lol

Very easy to use, it applied smoothly and consistent. I have a sunroom that had windows covering two sides of the room. They were old single pane, wooden and leaked. I replaced them with 1 picture window on each wall. I closed the areas on either side of the windows and covered it with siding. The White No.001 QUAD Advanced Formula Window Door and Siding Sealant VOC was used to seal the J-channel to the existing structure. It met all my expectations.

I used this on around my windows and it was great, I highly recommend it!

SUPPLIES HAVE BEEN LIMITED AT MY LOCAL SUPPLIERS, SO GOOD TO HAVE BLACK QUAD MAX CAULKING AVAILBLE

Great for cold Wyoming weather

Worked great color was a perfect match

Quality product ordered special color matching pre-finished siding.

Rating provided by a verified purchaser

The color match was almost perfect for Behr Barn Red.

Rating provided by a verified purchaser

It was hard to make a nice looking job. It did fill in large gaps without sagging.

Rating provided by a verified purchaser

Live near the ocean last longer than most caulks or silicones

Professional Caulk at a great price

Great caulk that can expand and contract without cracking. Used to the seal all shingle to roof junctions.

I have used OSI Quad for 22 years and have found that it is the best product for sealing aluminum wrap joints and seams. It can't be beat.

Rating provided by a verified purchaser

I didn't like that I had to buy a dozen for a color match. No house would require that much. Otherwise, it match James Hardie siding perfectly.