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Stesso

Caulking Cracks in Stucco

8:16
27:59
97.8K views

At 8:16 in

Repairing and Prepping Stucco for Airless Spraying

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What happens here

The presenter focuses on filling cracks in the stucco with "Mega Elastic" caulk. He is on a ladder, applying the caulk directly into the cracks and then immediately blending it into the stucco texture using gloved fingers, dabbing and pushing it in to make it look like part of the stucco rather than a smooth bead. He emphasizes that this approach is for aesthetic integration, as nobody will notice perfect caulk at that height. He notes that some deep cracks require significant caulk to fill properly. He mentions that water penetration in the cracks, followed by freeze-thaw cycles, is a primary cause of stucco damage in his climate. He also demonstrates using the caulk to seal around pipes coming out of the wall and other functional areas to prevent bugs and water ingress. He highlights using a flexible caulk that can expand and contract with the building.

Goal: Fill and seal cracks in the stucco using elastic caulk, blending it into the texture.

Tools and materials

  • Caulk — For filling and sealing cracks
  • Caulking Gun Unspecified — To dispense caulk
  • Extension Ladder Unspecified — To access cracks high on the wall
  • Putty Knife Unspecified — For cleaning cracks before caulking
  • Safety Gloves Unspecified — To protect hands and blend caulk

What they say

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stucco so i'm going to be doing it flat so we'll just cruise right along stay with us here patching and repairing i'm going to give you some tips and tricks doing these patches and repairs so here we go it's got a lot of um it doesn't it looks like it's loose stucco but it's actually not loose the stucco this stucco is actually in pretty sound shape here what i've got is peeling paint on this so the paint this has been painted multiple times we've got water coming down this section of the building and it's causing the paint to fail right here on the stucco so we're just getting all this loose paint off i'm just scraping it i just got a level five putty knife i'm scraping this all off with and then i'm gonna take and back roll all this with an elastomeric paint to you know bond well to this but it looks like this is probably multiple coats of an elastomeric coating on here it's really thick and rubbery but i'm getting all this loose stuff out of these cracks because i'm gonna actually talk these cracks right here so trying to get everything loose out of here so fill this crack in and then when i'm spraying this building also i'll be spraying back rolling to help it bond and last now we're just going to try to seal these cracks up we don't want water getting in here winter time freeze thawing it's going to continue to crack it more so we're just going to fill these cracks up with meg elastic caulking which is a good caulking for stucco kind of like an elastomeric coating and i'm just going to dab this on here with my hands and use you'll push it in so it kind of makes it look like the stucco and not just a smooth caulking bead so just sort of dab and push dab and push on it blend it in i'm real up really high so it doesn't have to be perfect it doesn't have to look awesome because nobody will be able to tell from down below so i do have like a caulking sponge the lower stuff using a caulking sponge to dab and press and push with water um helps blend if you're concerned about it blending in but it's looking just press and push that in there and this one here did that really good the rest of this i'm just going to once again take and back roll it with an elastomeric coating let's try to get that in down in there i thought i was going to have some patches up here but there's nothing really to patch because once again this is all just loose paint that i'm scraping off here stucco is actually in pretty good shape this is all once again just water damage because…

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