Penetrations for rails, lighting fixtures, and signage require thoughtful waterproofing

https://wiki-spirit.win/index.php/Plaza_Deck_Waterproofing:_Coatings_and_Systems_for_High-Traffic_Surfaces

Penetrations for rails, lighting fixtures, and signage require considerate waterproofing. Reinforced flashing and sealed bases scale down the opportunity of concealed leakage.