Poverty is the main cause of hunger in the world. This is true in rich and poor countries alike. It is true no matter whether people live in urban or rural areas. Most people who are hungry are living in extreme poverty, defined as income of $1.25 per day or less. The largest group of people in the world in extreme poverty are smallholder farmers in developing countries.
1 Many of the houses had OSB sheathing Material, usually plywood or oriented strand board (OSB), but sometimes wooden boards, installed on the exterior of wall studs, rafters, or roof trusses; siding or roofing installed on the sheathingâsometimes over strapping to create a rainscreen.
There are three types of underlayment that can be installed on a roof: felt, ice shield, and synthetic. 1. Felt is tar or asphalt saturated paper made with some fiberglass. It is the most widely used and the cheapest roofing underlayment.he down side of an ice shield is that when it is installed over the entire roof deck, it also acts as a vapor barrier, which means that it traps water under the roof. Trapped water can cause the substrate to rot and will also lead to the formation of allergenic mold and mildew.