THE RENNET #7 TROD TA Fee seer ¥ Expressed MEXICAN PALM THATCH Installation Instructions 1. Mexican palm thatch may contain some residues that can stain. it should be rinsed off and allowed to dry before installation. This is to avoid the staining of floors or other areas susceptible to runoff during rain. RECOMMEND: On concrete, spray with hose to wash residue off, Let fully dry, Wash concrete off so residue doesn't stain concrete. 2.