RoofConstruction-Terminology

The Common Rafter and Purlin Roof As a civil engineer or roof contractor, you should aware of the construction of a roof and trussed roofs also types of roof construction in the industry. So, here our new article about roof rafter and purlin roof related to roof construction. The structure is most commonly used where there is a gable at both ends of the roof and is frequently to be found on terraced houses, as indicated in the below picture. This simple form of roof is illustrated in below picture. Its construction has been included here because of the now very common refurbishment of such houses. The wall plates are often simply bedded on mortar on either the inner skin of a cavity wall or, as is often the case with older terraced houses, on the inside edge of a solid 9 in. brick wall. Wall plates should be half lapped where they meet, and should not be less than 75 mm wide and 50 mm thick. They should be treated with preservative. Below picture shows typical plate co