PL400 Subfloor & Deck Construction Adhesive
Loctite · synthetic rubber
Full cure (70°F / 50% RH)
168h
Min application temp
0°F
Max application temp
100°F
Open time
15 min
Estimate Cure Time
When this estimate may be unsafe
- - The joint, bead, pour, or repair is thicker than the product data sheet assumes.
- - The substrate is colder than the surrounding air, wet, oily, dusty, painted, or otherwise poorly prepared.
- - The repair will carry weight, resist water pressure, or be safety-critical before full cure.
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Quick answers
How long does PL400 Subfloor & Deck Construction Adhesive take to cure?
PL400 Subfloor & Deck Construction Adhesive fully cures in 168 hours at standard laboratory conditions, usually 70°F / 21°C and 50% relative humidity. At colder temperatures or difficult humidity, cure time can increase significantly.
What is the minimum temperature to use PL400 Subfloor & Deck Construction Adhesive?
The minimum application temperature for PL400 Subfloor & Deck Construction Adhesive is 0°F (-18°C). Applying below this threshold can prevent proper curing and cause the bond or seal to fail.
How long does PL400 Subfloor & Deck Construction Adhesive take to cure in cold weather?
Cold temperatures significantly extend cure time. As a rule of thumb, every 18°F (10°C) below 70°F can roughly double cure time. Enter your actual temperature in the calculator for a product-specific estimate.
Does humidity affect PL400 Subfloor & Deck Construction Adhesive cure time?
Yes. PL400 Subfloor & Deck Construction Adhesive cures by water evaporation, so high humidity slows cure. Above 85% RH cure may fail entirely. Low humidity below 40% RH speeds drying but can cause the adhesive to dry before a proper bond forms. Optimal range is 40-60% RH.
What is the open time for PL400 Subfloor & Deck Construction Adhesive?
PL400 Subfloor & Deck Construction Adhesive has a working open time of 15 minutes at standard conditions. At higher temperatures open time may shorten; at lower temperatures cure may slow after assembly.