Regardless of the type of underlayment used under Armstrong Flooring resilient flooring, the responsibility for warranties and/or performance guarantees for the underlayment rests solely with the underlayment manufacturer and/or supplier and not with Armstrong Flooring.
The types of subfloors and underlayment panels described in the Guaranteed Installation System Manual (F-5061) are intended only as a guide and should not be construed as an Armstrong Flooring warranty for these products.
Armstrong cannot be responsible for:
- joint or texture show-through
- tunneling and ridging over underlayment joints
- discoloration from stain sources in the panel, regardless of the type of underlayment panel used
- underlayment panel problems caused by local climate conditions, basement wall and subfloor construction or improper installation
We strongly suggest that you secure a written guarantee and installation instructions from the supplier or manufacturer of the underlayment board being used.