The splash zone is commonly covered in encrusting algae and dark lichens that are tolerant of sea spray. Few other marine organisms can tolerate the almost terrestrial conditions found in the splash zone. Below the splash zone is the high intertidal zone, which is exposed to air for a large part of the day.
Trim installation with paint: $3.50 per linear foot, including materials. Trim installation without paint: $3.25 per linear foot, including materials. Average cost to install trim in a 10x10-foot bedroom: $500 for one window and one door, including labor, materials and paint.
Here is a quick run down of how stairs are priced....keep in mind it will depend on location and also that this is an average for about 80% of the U.S. that have a standard staircase. Labor - PRICING PER STEP. Box treads - (inside a wall with no exposed sides) - $150.00. Return treads - (one exposed sides, Left or right) - $200.00.