C
DIY Cure Time
Calculator
Side-by-Side

LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant vs Sikaflex Construction Sealant

Compare cure times, application limits, and real-conditions performance for Red Devil's LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant and Sika's Sikaflex Construction Sealant. Adjust the sliders below for your actual temperature and humidity.

SpecificationAcrylic SealantConstruction Sealant
ManufacturerRed DevilSika
Full cure (lab)★72h168h
Open time★10 min30 min
Dry to touch★60 min360 min
Min application temp40°F40°F
Max application temp90°F★100°F
Safety flagsNoneNone

Compare at Your Conditions

70°F
10°F120°F
50%
0%100%

Which should you choose for cure time?

  • - LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant has the faster baseline full cure (72h vs 168h).
  • - Sikaflex Construction Sealant gives more working time before assembly pressure or tooling becomes urgent.

LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant has a 72h full cure time with a 10-minute open time.

Sikaflex Construction Sealant has a 168h full cure time with a 30-minute open time.

These products serve different purposes — check each product's individual page for full substrate compatibility details before deciding.

Browse related product categories

More caulk & sealant cure calculators

LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant

Red Devil

→

Sikaflex Construction Sealant

Sika

→

LIFETIME Ultra 230 Premium Elastomeric Acrylic Sealant data from manufacturer TDS · last verified Jun 2026.

Sikaflex Construction Sealant data from manufacturer TDS · last verified Jun 2026.

Important: Results are estimates only. Always follow manufacturer instructions. Not suitable for structural, load-bearing, or safety-critical applications.