Liquid Nails Heavy Duty (US): cure time and bond strength

Liquid Nails Heavy Duty is a construction adhesive. This page covers the US product, code LN-903.

The brand is sold by different companies in different countries, and their published figures may differ. This page uses the US technical bulletin only.

The PPG technical bulletin gives a minimum cure time of 24 hours at room temperature. It lists shear strength of 150 psi at 24 hours, 180 psi at 48 hours and 240 psi at 7 days.

Limits of this figure

Figures apply to the US product. Check the sheet for the product sold in your country.

Source

PPG, Liquid Nails technical bulletin LN-903. Address: https://buyat.ppg.com/rep_pafpainttools_files/Liquid%20Nails%20US/TDB/LN-903.pdf. Checked 17 October 2026.