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Understand Caulk Types and Select Best Option

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10:02
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Best Caulking for Vinyl Windows. Tower Sealants AU-1 Sealer.

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What happens here

The video introduces the project of caulking newly installed vinyl windows. The presenter discusses common caulk types, specifically mentioning DAP Alex Fast Dry and OSI Quad Max. He advises against using DAP due to its poor adhesion, fast drying, and tendency to crack. He also discourages the use of Quad Max because it is not water-based, cannot be tooled (smoothed), and requires mineral spirits for cleanup. Instead, he recommends Tower Sealants AU-1 for its water-based composition, superior bonding, increased flexibility, and ease of tooling. He also notes that backer rod can be used to fill larger gaps (up to 2 inches) before applying caulk.

Goal: Select the appropriate caulk product for window weatherproofing

Tools and materials

  • Backer Rod — To fill large gaps (up to 2 inches) before applying caulk, reducing caulk consumption and improving sealant performance
  • DAP Alex Fast Dry Caulking DAP — Discussed as an unsuitable caulk for this application due to poor adhesion and cracking
  • OSI Quad Max Sealant OSI — Discussed as an unsuitable caulk for this application due to being oil-based and untoolable
  • Tower Sealants AU-1 Tower Sealants — Recommended caulk due to its water-based nature, flexibility, superior bond, and ease of tooling

What they say

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[Music] so i got a project here today we're working on caulking some windows customer had some brand new windows installed to replace aluminum windows with these vinyl windows and um no the trim was replaced but we're going to be caulking these windows now the window installers had two products that they were going to use to and caught the one windows and i grabbed one of each of them one of them was quad and the other is dap caulking and i just told them you know hold on i'll take care of the caulking myself you know i got a lot of experience caulking i wanted it to look super nice so i'm using a method called sponge caulking and i'm gonna end up using a product from tower sealants which is a u1 and i'll talk a little bit about why i use that product and why i wouldn't use uh these two products first off that this was uh alex fast dry caulking one of the problems with dap caulking is it doesn't adhere very well it dries out pretty fast and cracks pretty fast then we're gonna use this on the inside the dap and the quad max on the outside and i would never caulk windows i would never anything for that matter on you know on a house using dap caulking it's a low low end caulking it's not something you know i would high i would recommend it all so on the inside of we're going to be using tower sealants au1 on the inside and outside but i wouldn't use that um sealants for the reasons i said it dries out really fast doesn't bond really well doesn't expand and contract very well either with the house so there's a lot of movement in the house it's going to crack and separate right quite fast quad this is a really good product now this would work well on the outside but the reason why i wouldn't use quad this is not a water-based product so you're going to have to clean up your hands and everything with mineral spirits and i like using a sponge caulking method to get my beads really really well this product it says right on the back of the instructions do not tool the product so you apply it and leave it and so you're not going to get a nice smooth bead and you're not going to get nice corners with it because you can't tool it and once again if you tried to tool it you'd have to use like mineral spirits then you're getting mineral spirits on your hands because you can't really caulk and tool you know with gloves on your hands so you would have to use bare hands with mineral spirits so it's not a great option the best option to me is tower sealants this is a…

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