SpecPlug Fast-Setting Hydraulic-Cement Mortar｜ Other Products

SpecPlug is a fast-setting hydraulic-cement mortar that instantly stops water flow through holes and cracks in concrete and masonry
SpecPlug is a single-component, add-water mortar that expands as it sets to form a strong, watertight bond without shrinking or oxidizing. It's suitable for both vertical and underwater applications and is certified to NSF/ANSI Standard 61 for potable water contact.
Key Features & Benefits

Single-component — just add water
Sets in approximately 3-5 minutes, rapidly stopping flowing water
Expands to form a strong, watertight bond to the substrate
Suitable for vertical and underwater applications
Certified to NSF/ANSI Standard 61 for potable water contact
A faster-setting formula is available as Super SpecPlug

Application Instructions

Enlarge cracks to at least 3/4" in width and depth, cut square or undercut
Remove all grease, wax, oil, contaminants, curing compounds, and weak or deteriorated concrete
Saturate the repair area with water
Mix to a putty-like consistency, aiming for a 20-21% water-to-product ratio by weight
Mix only what can be placed within 2 minutes
For vertical or moving-water applications, hold firmly in place until set (about 3 minutes)
Use hot water/warm material in cold conditions and cold water in hot conditions to manage set time
Keep damp for at least 30 minutes; wet curing for up to 2 days achieves optimal strength

Technical Data Summary

Shelf Life: 18 months in unopened containers, stored between 45°F and 90°F

Packaging
Available in 10 lb and 50 lb pails.
Supporting Documents
Safety Data Sheet (SDS)
Technical Data Sheet (TDS)
Brand:SpecChemSKU:SPLUG-10-PAILTags:Cementitious Products and Liquids, Coatings RepairSize:10 Pound Pail (Pack of 6), 50 Pound Pail (Pack of 6)