Parcel Orders over $300 Ship Free.
Dayton J29 Weather Worker 40% 5 Gallon 69138
Dayton Superior Weather Worker 40% J29 is a penetrating 40% silane water repellent in a 5 gallon pail for concrete and masonry. The treatment soaks in, leaves no film, and keeps water and chlorides out of bridges and parking structures.
- 40% silane soaks deeper than a typical siloxane film
- Coverage is about 75 to 150 sq ft per gallon to saturation
- Traffic typically returns in about 1 hour at 70 F
$301.23
Availability:
Out of stock
Dayton Superior Weather Worker J29
Dayton Superior Weather Worker 40% J29 is a solvent-based 40% silane water repellent for concrete and masonry. It is used on bridges, parking structures, and architectural surfaces that need chloride and freeze-thaw resistance. The silane soaks in and leaves no visible film and no color change. This 5 gallon pail is ready to spray. Coverage is about 75 to 150 sq ft per gallon.
Key Features
- 40% silane soaks in and bonds to concrete and masonry
- NCHRP 244 Series II water absorption drops about 85 percent
- Chloride reduction is about 86 percent on that same series
- No visible film stays on architectural surfaces, and color does not change
- Traffic typically returns in about 1 hour at 70 F
Applications
- Bridge decks and parking structures that need chloride screening
- Architectural concrete that needs water repellency without a film
- Cast-in-place and precast surfaces, new or old
Technical Specifications
| Property | Value |
|---|---|
| Active silane | 40% minimum by weight |
| Coverage | 75 to 150 sq ft/gal |
| NCHRP 244 water | 85% absorption reduction |
| NCHRP 244 chloride | 86% reduction |
| Dry time | About 1 hour at 70 F |
| Application temperature | 32 F to 100 F |
| VOC | Less than 500 g/L EPA |
| Freeze-thaw ASTM C672 | Treated +0, control 5 at 50 cycles |
| Pack | 5 gallon pail |
| Product code | 69138 |
Product documents: Dayton Superior Weather Worker 40% J29 Data Sheet (PDF)
Frequently Asked Questions
What surfaces is Dayton Superior Weather Worker J29 used on?
Concrete and masonry, including bridges, parking structures, cast-in-place, precast, and architectural faces. New and old substrates both take the silane.
What pail size is Dayton Superior Weather Worker J29?
This listing is the 5 gallon pail, code 69138. The pail is ready to use, typically in one coat.
What coverage does Dayton Superior Weather Worker J29 typically give?
About 75 to 150 sq ft per gallon to the saturation point. Texture and porosity change the actual rate.
What color change does Dayton Superior Weather Worker J29 leave?
None. The silane leaves no visible film and does not darken the surface.
What traffic wait does Dayton Superior Weather Worker J29 need?
About 1 hour at 70 F. Full silane reaction takes about 3 to 5 days, and beading may wait until after 5 days.
What temperature window does Dayton Superior Weather Worker J29 have?
Apply between 32 F and 100 F. Do not apply if rain is expected within 3 hours.
Please complete your information below to login.